ProfitPress Mega CDROM2 Shareware Freeware (MSDOS)(1992)(Eng)

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Assembly Source File | 1990-04-17 | 83.2 KB | 1,645 lines

Page 58,132 Title DATA.ASM Apple Emulator (65C02 Processor) ;****************************************************************************** ; ; Name: DATA.ASM Apple Emulator (65C02 Processor) ; ; Group: Emulator ; ; Revision: 1.00 ; ; Date: January 30, 1988 ; ; Author: Randy W. Spurlock ; ;****************************************************************************** ; ; Module Functional Description: ; ; This module contains all of the data areas for the ; Apple emulator. (All data is in the code segment) This module ; MUST be the last module linked. ; ;****************************************************************************** ; ; Changes: ; ; DATE REVISION DESCRIPTION ; -------- -------- ------------------------------------------------------- ; 1/30/88 1.00 Original ; ;****************************************************************************** Page ; ; Public Declarations ; Public Error_Table ; Error string table Public Read_Table ; Read memory page table Public Write_Table ; Write memory page table Public Int_Table ; Interrupt table Public IO_Read_Table ; I/O read table Public IO_Write_Table ; I/O write table Public CGA_Table ; CGA I/O routines table Public EGA_Table ; EGA I/O routines table Public Slot_ID ; Expansion slot name table Public Slot_Init ; Expansion slot initialization table Public Slot_Ctrl ; Expansion slot control table Public Slot_Read ; Expansion slot read table Public Slot_Write ; Expansion slot write table Public Mem_Read ; Expansion slot memory read table Public Mem_Write ; Expansion slot memory write table Public Exp_Read ; Expansion memory read table Public Exp_Write ; Expansion memory write table Public Device_Table ; Device type table Public Flag_Encode ; CPU flag encoding table Public Flag_Decode ; CPU flag decoding table Public System_ROM ; Apple system ROM data file name Public Disk_ROM ; Apple disk ctrl. ROM data file name Public Current_Slot ; Current active slot number Public Emulate_Flag ; Emulator system flag byte Public System_Flag ; Apple system flag byte Public Video_Flag ; Video system flag byte Public Original_Int_8 ; Original interrupt 8 vector storage Public Original_Int_9 ; Original interrupt 9 vector storage Public RAM_Space ; RAM space segment value Public ALT_Space ; Alternate RAM space segment value ; ; External Declarations ; Extrn STD_Mem_Read:Near ; Standard memory read routine (MEMORY) Extrn STD_Mem_Write:Near ; Standard memory write routine(MEMORY) Extrn ROM_Mem_Read:Near ; ROM memory read routine (MEMORY) Extrn ROM_Mem_Write:Near ; ROM memory write routine (MEMORY) Extrn Special_Read:Near ; Special none selected read (MEMORY) Extrn Special_Write:Near ; Special none selected write (MEMORY) Extrn Text_Read_1:Near ; Low res/text page 1 read (VIDEO) Extrn Text_Read_2:Near ; Low res/text page 2 read (VIDEO) Extrn Graph_Read_1:Near ; High res page 1 read (VIDEO) Extrn Graph_Read_2:Near ; High res page 2 read (VIDEO) Extrn Hardware_Read:Near ; Hardware read routine (HARDWARE) Extrn Hardware_Write:Near ; Hardware write routine (HARDWARE) Extrn Utility_Strobe:Near ; Apple utility strobe (HARDWARE) Extrn Output_0_Off:Near ; Annunciator output 0 off (HARDWARE) Extrn Output_0_On:Near ; Annunciator output 0 on (HARDWARE) Extrn Output_1_Off:Near ; Annunciator output 1 off (HARDWARE) Extrn Output_1_On:Near ; Annunciator output 1 on (HARDWARE) Extrn Output_2_Off:Near ; Annunciator output 2 off (HARDWARE) Extrn Output_2_On:Near ; Annunciator output 2 on (HARDWARE) Extrn Output_3_Off:Near ; Annunciator output 3 off (HARDWARE) Extrn Output_3_On:Near ; Annunciator output 3 on (HARDWARE) Extrn Do_Nothing:Near ; Do nothing (HARDWARE) Extrn Keyboard_Input:Near ; Keyboard input (KEYBOARD) Extrn Clear_Keyboard:Near ; Clear keyboard strobe (KEYBOARD) Extrn Speaker_Toggle:Near ; Speaker output toggle (SPEAKER) Extrn Cassette_Toggle:Near ; Cassette output toggle (CASSETTE) Extrn Cassette_Input:Near ; Cassette input (CASSETTE) Extrn Button_1:Near ; Button 1 input (JOYSTICK) Extrn Button_2:Near ; Button 2 input (JOYSTICK) Extrn Button_3:Near ; Button 3 input (JOYSTICK) Extrn Joystick_1:Near ; Joystick 1 input (JOYSTICK) Extrn Joystick_2:Near ; Joystick 2 input (JOYSTICK) Extrn Joystick_3:Near ; Joystick 3 input (JOYSTICK) Extrn Joystick_4:Near ; Joystick 4 input (JOYSTICK) Extrn Joystick_Strobe:Near ; Joystick clear strobe (JOYSTICK) Extrn Exp_Slot_Read:Near ; Expansion slot read routine (DEVICE) Extrn Exp_Slot_Write:Near ; Expansion slot write routine (DEVICE) Extrn Exp_Mem_Read:Near ; Expansion mem. read routine (DEVICE) Extrn Exp_Mem_Write:Near ; Expansion mem. write routine (DEVICE) Extrn Dummy_Int:Near ; Dummy interrupt routine (INT) Extrn Reset_System:Near ; Reset system interrupt routine(APPLE) Extrn Request_System:Near ; System request int. routine (APPLE) Extrn CGA_Text_1:Near ; Low resolution/text page 1 write(CGA) Extrn CGA_Text_2:Near ; Low resolution/text page 2 write(CGA) Extrn CGA_Graph_1:Near ; High resolution page 1 write (CGA) Extrn CGA_Graph_2:Near ; High resolution page 2 write (CGA) Extrn CGA_Text_Off:Near ; Text mode off (Graphics) (CGA) Extrn CGA_Text_On:Near ; Text mode on (Text) (CGA) Extrn CGA_Mixed_Off:Near ; Mixed off (Text / Graphics) (CGA) Extrn CGA_Mixed_On:Near ; Mixed on (Text & Graphics) (CGA) Extrn CGA_Page_1:Near ; Select page 1 (Text & Graphics) (CGA) Extrn CGA_Page_2:Near ; Select page 2 (Text & Graphics) (CGA) Extrn CGA_Low_Res:Near ; Select low res. (Graphics) (CGA) Extrn CGA_High_Res:Near ; Select high res. (Graphics) (CGA) Extrn EGA_Text_1:Near ; Low resolution/text page 1 write(EGA) Extrn EGA_Text_2:Near ; Low resolution/text page 2 write(EGA) Extrn EGA_Graph_1:Near ; High resolution page 1 write (EGA) Extrn EGA_Graph_2:Near ; High resolution page 2 write (EGA) Extrn EGA_Text_Off:Near ; Text mode off (Graphics) (EGA) Extrn EGA_Text_On:Near ; Text mode on (Text) (EGA) Extrn EGA_Mixed_Off:Near ; Mixed off (Text / Graphics) (EGA) Extrn EGA_Mixed_On:Near ; Mixed on (Text & Graphics) (EGA) Extrn EGA_Page_1:Near ; Select page 1 (Text & Graphics) (EGA) Extrn EGA_Page_2:Near ; Select page 2 (Text & Graphics) (EGA) Extrn EGA_Low_Res:Near ; Select low res. (Graphics) (EGA) Extrn EGA_High_Res:Near ; Select high res. (Graphics) (EGA) ; ; Define any include files needed ; Include Macros.inc ; Include the macro definitions Include Equates.inc ; Include the equate definitions ; ; Define the different device types (Generate needed externals) ; Device <Empty> ; Define empty slot device (EMPTY) Device <Lang> ; Define language card device(LANGUAGE) Device <Serial> ; Define serial port device (SERIAL) Device <Disk> ; Define disk controller device (DISK) Device <Cart> ; Define cartridge device (CARTRIGE) .286c ; Include 80286 instructions Page ; ; Define the emulator code segment ; Emulate Segment Word Public 'EMULATE' ; Emulator code segment Assume cs:Emulate, ds:Nothing, es:Nothing ;****************************************************************************** ; ; Define the Error Strings and Error Table ; ;****************************************************************************** _Err_Cnt = 0 ; Start error code number Err_Str NO_MEMORY,<"Not enough memory for emulator"> Err_Str NO_SYSTEM_FILE,<"Missing system ROM file"> Err_Str BAD_SYSTEM_FILE,<"Bad system ROM file"> Err_Str BAD_SYSTEM_IMAGE,<"Bad system ROM image"> Err_Str BAD_ADAPTER,<"Color graphics adapter required"> Err_Str NO_DISK_FILE,<"Missing disk controller ROM file"> Err_Str BAD_DISK_FILE,<"Bad disk controller ROM file"> Err_Str BAD_DISK_IMAGE,<"Bad disk controller ROM image"> Err_Tbl ;****************************************************************************** ; ; Define the Expansion Slot and Device Tables ; ;****************************************************************************** Even ; Force table to even address Slot 0,Lang ; Expansion slot 0 - Langauge card Slot 1,Serial ; Expansion slot 1 - Serial port card Slot 2,Empty ; Expansion slot 2 - Empty slot Slot 3,Empty ; Expansion slot 3 - Empty slot Slot 4,Empty ; Expansion slot 4 - Empty slot Slot 5,Empty ; Expansion slot 5 - Empty slot Slot 6,Disk ; Expansion slot 6 - Disk controller Slot 7,Cart ; Expansion slot 7 - Cartridge Table ; Define the expansion slot tables ;****************************************************************************** ; ; Define the Interrupt Table ; ;****************************************************************************** Even ; Force table to even address Int_Table Equ This Word ; Interrupt table Dw Dummy_Int ; Emulate bit 7 - Dummy interrupt Dw Dummy_Int ; Emulate bit 6 - Dummy interrupt Dw Dummy_Int ; Emulate bit 5 - Dummy interrupt Dw Dummy_Int ; Emulate bit 4 - Dummy interrupt Dw Dummy_Int ; Emulate bit 3 - Dummy interrupt Dw Dummy_Int ; Emulate bit 2 - Dummy interrupt Dw Reset_System ; Emulate bit 1 - System reset int. Dw Request_System ; Emulate bit 0 - System request int. ;****************************************************************************** ; ; Define the Video I/O Routines Tables ; ;****************************************************************************** Even ; Force table to even address CGA_Table Equ This Word ; CGA video I/O routines table Dw CGA_Text_1 ; Low resolution/text page 1 write Dw CGA_Text_2 ; Low resolution/text page 2 write Dw CGA_Graph_1 ; High resolution page 1 write Dw CGA_Graph_2 ; High resolution page 2 write Dw CGA_Text_Off ; Text mode off (Graphics) Dw CGA_Text_On ; Text mode on (Text) Dw CGA_Mixed_Off ; Mixed off (Text / Graphics) Dw CGA_Mixed_On ; Mixed on (Text & Graphics) Dw CGA_Page_1 ; Select video page 1 (Text & Graphics) Dw CGA_Page_2 ; Select video page 2 (Text & Graphics) Dw CGA_Low_Res ; Select low resolution (Graphics) Dw CGA_High_Res ; Select high resolution (Graphics) EGA_Table Equ This Word ; EGA video I/O routines table Dw EGA_Text_1 ; Low resolution/text page 1 write Dw EGA_Text_2 ; Low resolution/text page 2 write Dw EGA_Graph_1 ; High resolution page 1 write Dw EGA_Graph_2 ; High resolution page 2 write Dw EGA_Text_Off ; Text mode off (Graphics) Dw EGA_Text_On ; Text mode on (Text) Dw EGA_Mixed_Off ; Mixed off (Text / Graphics) Dw EGA_Mixed_On ; Mixed on (Text & Graphics) Dw EGA_Page_1 ; Select video page 1 (Text & Graphics) Dw EGA_Page_2 ; Select video page 2 (Text & Graphics) Dw EGA_Low_Res ; Select low resolution (Graphics) Dw EGA_High_Res ; Select high resolution (Graphics) ;****************************************************************************** ; ; Define the Read Memory Page Table ; ;****************************************************************************** Even ; Force table to even address Read_Table Equ This Word ; Read memory page table Dw STD_Mem_Read ; Page 00h - Standard memory read Dw STD_Mem_Read ; Page 01h - Standard memory read Dw STD_Mem_Read ; Page 02h - Standard memory read Dw STD_Mem_Read ; Page 03h - Standard memory read Dw Text_Read_1 ; Page 04h - Low res/text page 1 read Dw Text_Read_1 ; Page 05h - Low res/text page 1 read Dw Text_Read_1 ; Page 06h - Low res/text page 1 read Dw Text_Read_1 ; Page 07h - Low res/text page 1 read Dw Text_Read_2 ; Page 08h - Low res/text page 2 read Dw Text_Read_2 ; Page 09h - Low res/text page 2 read Dw Text_Read_2 ; Page 0Ah - Low res/text page 2 read Dw Text_Read_2 ; Page 0Bh - Low res/text page 2 read Dw STD_Mem_Read ; Page 0Ch - Standard memory read Dw STD_Mem_Read ; Page 0Dh - Standard memory read Dw STD_Mem_Read ; Page 0Eh - Standard memory read Dw STD_Mem_Read ; Page 0Fh - Standard memory read Dw STD_Mem_Read ; Page 10h - Standard memory read Dw STD_Mem_Read ; Page 11h - Standard memory read Dw STD_Mem_Read ; Page 12h - Standard memory read Dw STD_Mem_Read ; Page 13h - Standard memory read Dw STD_Mem_Read ; Page 14h - Standard memory read Dw STD_Mem_Read ; Page 15h - Standard memory read Dw STD_Mem_Read ; Page 16h - Standard memory read Dw STD_Mem_Read ; Page 17h - Standard memory read Dw STD_Mem_Read ; Page 18h - Standard memory read Dw STD_Mem_Read ; Page 19h - Standard memory read Dw STD_Mem_Read ; Page 1Ah - Standard memory read Dw STD_Mem_Read ; Page 1Bh - Standard memory read Dw STD_Mem_Read ; Page 1Ch - Standard memory read Dw STD_Mem_Read ; Page 1Dh - Standard memory read Dw STD_Mem_Read ; Page 1Eh - Standard memory read Dw STD_Mem_Read ; Page 1Fh - Standard memory read Dw Graph_Read_1 ; Page 20h - High res page 1 read Dw Graph_Read_1 ; Page 21h - High res page 1 read Dw Graph_Read_1 ; Page 22h - High res page 1 read Dw Graph_Read_1 ; Page 23h - High res page 1 read Dw Graph_Read_1 ; Page 24h - High res page 1 read Dw Graph_Read_1 ; Page 25h - High res page 1 read Dw Graph_Read_1 ; Page 26h - High res page 1 read Dw Graph_Read_1 ; Page 27h - High res page 1 read Dw Graph_Read_1 ; Page 28h - High res page 1 read Dw Graph_Read_1 ; Page 29h - High res page 1 read Dw Graph_Read_1 ; Page 2Ah - High res page 1 read Dw Graph_Read_1 ; Page 2Bh - High res page 1 read Dw Graph_Read_1 ; Page 2Ch - High res page 1 read Dw Graph_Read_1 ; Page 2Dh - High res page 1 read Dw Graph_Read_1 ; Page 2Eh - High res page 1 read Dw Graph_Read_1 ; Page 2Fh - High res page 1 read Dw Graph_Read_1 ; Page 30h - High res page 1 read Dw Graph_Read_1 ; Page 31h - High res page 1 read Dw Graph_Read_1 ; Page 32h - High res page 1 read Dw Graph_Read_1 ; Page 33h - High res page 1 read Dw Graph_Read_1 ; Page 34h - High res page 1 read Dw Graph_Read_1 ; Page 35h - High res page 1 read Dw Graph_Read_1 ; Page 36h - High res page 1 read Dw Graph_Read_1 ; Page 37h - High res page 1 read Dw Graph_Read_1 ; Page 38h - High res page 1 read Dw Graph_Read_1 ; Page 39h - High res page 1 read Dw Graph_Read_1 ; Page 3Ah - High res page 1 read Dw Graph_Read_1 ; Page 3Bh - High res page 1 read Dw Graph_Read_1 ; Page 3Ch - High res page 1 read Dw Graph_Read_1 ; Page 3Dh - High res page 1 read Dw Graph_Read_1 ; Page 3Eh - High res page 1 read Dw Graph_Read_1 ; Page 3Fh - High res page 1 read Dw Graph_Read_2 ; Page 40h - High res page 2 read Dw Graph_Read_2 ; Page 41h - High res page 2 read Dw Graph_Read_2 ; Page 42h - High res page 2 read Dw Graph_Read_2 ; Page 43h - High res page 2 read Dw Graph_Read_2 ; Page 44h - High res page 2 read Dw Graph_Read_2 ; Page 45h - High res page 2 read Dw Graph_Read_2 ; Page 46h - High res page 2 read Dw Graph_Read_2 ; Page 47h - High res page 2 read Dw Graph_Read_2 ; Page 48h - High res page 2 read Dw Graph_Read_2 ; Page 49h - High res page 2 read Dw Graph_Read_2 ; Page 4Ah - High res page 2 read Dw Graph_Read_2 ; Page 4Bh - High res page 2 read Dw Graph_Read_2 ; Page 4Ch - High res page 2 read Dw Graph_Read_2 ; Page 4Dh - High res page 2 read Dw Graph_Read_2 ; Page 4Eh - High res page 2 read Dw Graph_Read_2 ; Page 4Fh - High res page 2 read Dw Graph_Read_2 ; Page 50h - High res page 2 read Dw Graph_Read_2 ; Page 51h - High res page 2 read Dw Graph_Read_2 ; Page 52h - High res page 2 read Dw Graph_Read_2 ; Page 53h - High res page 2 read Dw Graph_Read_2 ; Page 54h - High res page 2 read Dw Graph_Read_2 ; Page 55h - High res page 2 read Dw Graph_Read_2 ; Page 56h - High res page 2 read Dw Graph_Read_2 ; Page 57h - High res page 2 read Dw Graph_Read_2 ; Page 58h - High res page 2 read Dw Graph_Read_2 ; Page 59h - High res page 2 read Dw Graph_Read_2 ; Page 5Ah - High res page 2 read Dw Graph_Read_2 ; Page 5Bh - High res page 2 read Dw Graph_Read_2 ; Page 5Ch - High res page 2 read Dw Graph_Read_2 ; Page 5Dh - High res page 2 read Dw Graph_Read_2 ; Page 5Eh - High res page 2 read Dw Graph_Read_2 ; Page 5Fh - High res page 2 read Dw STD_Mem_Read ; Page 60h - Standard memory read Dw STD_Mem_Read ; Page 61h - Standard memory read Dw STD_Mem_Read ; Page 62h - Standard memory read Dw STD_Mem_Read ; Page 63h - Standard memory read Dw STD_Mem_Read ; Page 64h - Standard memory read Dw STD_Mem_Read ; Page 65h - Standard memory read Dw STD_Mem_Read ; Page 66h - Standard memory read Dw STD_Mem_Read ; Page 67h - Standard memory read Dw STD_Mem_Read ; Page 68h - Standard memory read Dw STD_Mem_Read ; Page 69h - Standard memory read Dw STD_Mem_Read ; Page 6Ah - Standard memory read Dw STD_Mem_Read ; Page 6Bh - Standard memory read Dw STD_Mem_Read ; Page 6Ch - Standard memory read Dw STD_Mem_Read ; Page 6Dh - Standard memory read Dw STD_Mem_Read ; Page 6Eh - Standard memory read Dw STD_Mem_Read ; Page 6Fh - Standard memory read Dw STD_Mem_Read ; Page 70h - Standard memory read Dw STD_Mem_Read ; Page 71h - Standard memory read Dw STD_Mem_Read ; Page 72h - Standard memory read Dw STD_Mem_Read ; Page 73h - Standard memory read Dw STD_Mem_Read ; Page 74h - Standard memory read Dw STD_Mem_Read ; Page 75h - Standard memory read Dw STD_Mem_Read ; Page 76h - Standard memory read Dw STD_Mem_Read ; Page 77h - Standard memory read Dw STD_Mem_Read ; Page 78h - Standard memory read Dw STD_Mem_Read ; Page 79h - Standard memory read Dw STD_Mem_Read ; Page 7Ah - Standard memory read Dw STD_Mem_Read ; Page 7Bh - Standard memory read Dw STD_Mem_Read ; Page 7Ch - Standard memory read Dw STD_Mem_Read ; Page 7Dh - Standard memory read Dw STD_Mem_Read ; Page 7Eh - Standard memory read Dw STD_Mem_Read ; Page 7Fh - Standard memory read Dw STD_Mem_Read ; Page 80h - Standard memory read Dw STD_Mem_Read ; Page 81h - Standard memory read Dw STD_Mem_Read ; Page 82h - Standard memory read Dw STD_Mem_Read ; Page 83h - Standard memory read Dw STD_Mem_Read ; Page 84h - Standard memory read Dw STD_Mem_Read ; Page 85h - Standard memory read Dw STD_Mem_Read ; Page 86h - Standard memory read Dw STD_Mem_Read ; Page 87h - Standard memory read Dw STD_Mem_Read ; Page 88h - Standard memory read Dw STD_Mem_Read ; Page 89h - Standard memory read Dw STD_Mem_Read ; Page 8Ah - Standard memory read Dw STD_Mem_Read ; Page 8Bh - Standard memory read Dw STD_Mem_Read ; Page 8Ch - Standard memory read Dw STD_Mem_Read ; Page 8Dh - Standard memory read Dw STD_Mem_Read ; Page 8Eh - Standard memory read Dw STD_Mem_Read ; Page 8Fh - Standard memory read Dw STD_Mem_Read ; Page 90h - Standard memory read Dw STD_Mem_Read ; Page 91h - Standard memory read Dw STD_Mem_Read ; Page 92h - Standard memory read Dw STD_Mem_Read ; Page 93h - Standard memory read Dw STD_Mem_Read ; Page 94h - Standard memory read Dw STD_Mem_Read ; Page 95h - Standard memory read Dw STD_Mem_Read ; Page 96h - Standard memory read Dw STD_Mem_Read ; Page 97h - Standard memory read Dw STD_Mem_Read ; Page 98h - Standard memory read Dw STD_Mem_Read ; Page 99h - Standard memory read Dw STD_Mem_Read ; Page 9Ah - Standard memory read Dw STD_Mem_Read ; Page 9Bh - Standard memory read Dw STD_Mem_Read ; Page 9Ch - Standard memory read Dw STD_Mem_Read ; Page 9Dh - Standard memory read Dw STD_Mem_Read ; Page 9Eh - Standard memory read Dw STD_Mem_Read ; Page 9Fh - Standard memory read Dw STD_Mem_Read ; Page A0h - Standard memory read Dw STD_Mem_Read ; Page A1h - Standard memory read Dw STD_Mem_Read ; Page A2h - Standard memory read Dw STD_Mem_Read ; Page A3h - Standard memory read Dw STD_Mem_Read ; Page A4h - Standard memory read Dw STD_Mem_Read ; Page A5h - Standard memory read Dw STD_Mem_Read ; Page A6h - Standard memory read Dw STD_Mem_Read ; Page A7h - Standard memory read Dw STD_Mem_Read ; Page A8h - Standard memory read Dw STD_Mem_Read ; Page A9h - Standard memory read Dw STD_Mem_Read ; Page AAh - Standard memory read Dw STD_Mem_Read ; Page ABh - Standard memory read Dw STD_Mem_Read ; Page ACh - Standard memory read Dw STD_Mem_Read ; Page ADh - Standard memory read Dw STD_Mem_Read ; Page AEh - Standard memory read Dw STD_Mem_Read ; Page AFh - Standard memory read Dw STD_Mem_Read ; Page B0h - Standard memory read Dw STD_Mem_Read ; Page B1h - Standard memory read Dw STD_Mem_Read ; Page B2h - Standard memory read Dw STD_Mem_Read ; Page B3h - Standard memory read Dw STD_Mem_Read ; Page B4h - Standard memory read Dw STD_Mem_Read ; Page B5h - Standard memory read Dw STD_Mem_Read ; Page B6h - Standard memory read Dw STD_Mem_Read ; Page B7h - Standard memory read Dw STD_Mem_Read ; Page B8h - Standard memory read Dw STD_Mem_Read ; Page B9h - Standard memory read Dw STD_Mem_Read ; Page BAh - Standard memory read Dw STD_Mem_Read ; Page BBh - Standard memory read Dw STD_Mem_Read ; Page BCh - Standard memory read Dw STD_Mem_Read ; Page BDh - Standard memory read Dw STD_Mem_Read ; Page BEh - Standard memory read Dw STD_Mem_Read ; Page BFh - Standard memory read Dw Hardware_Read ; Page C0h - Hardware page read Dw Exp_Slot_Read ; Page C1h - Expansion slot 1 read Dw Exp_Slot_Read ; Page C2h - Expansion slot 2 read Dw Exp_Slot_Read ; Page C3h - Expansion slot 3 read Dw Exp_Slot_Read ; Page C4h - Expansion slot 4 read Dw Exp_Slot_Read ; Page C5h - Expansion slot 5 read Dw Exp_Slot_Read ; Page C6h - Expansion slot 6 read Dw Exp_Slot_Read ; Page C7h - Expansion slot 7 read Dw Exp_Mem_Read ; Page C8h - Expansion memory read Dw Exp_Mem_Read ; Page C9h - Expansion memory read Dw Exp_Mem_Read ; Page CAh - Expansion memory read Dw Exp_Mem_Read ; Page CBh - Expansion memory read Dw Exp_Mem_Read ; Page CCh - Expansion memory read Dw Exp_Mem_Read ; Page CDh - Expansion memory read Dw Exp_Mem_Read ; Page CEh - Expansion memory read Dw Exp_Mem_Read ; Page CFh - Expansion memory read Dw ROM_Mem_Read ; Page D0h - System ROM memory read Dw ROM_Mem_Read ; Page D1h - System ROM memory read Dw ROM_Mem_Read ; Page D2h - System ROM memory read Dw ROM_Mem_Read ; Page D3h - System ROM memory read Dw ROM_Mem_Read ; Page D4h - System ROM memory read Dw ROM_Mem_Read ; Page D5h - System ROM memory read Dw ROM_Mem_Read ; Page D6h - System ROM memory read Dw ROM_Mem_Read ; Page D7h - System ROM memory read Dw ROM_Mem_Read ; Page D8h - System ROM memory read Dw ROM_Mem_Read ; Page D9h - System ROM memory read Dw ROM_Mem_Read ; Page DAh - System ROM memory read Dw ROM_Mem_Read ; Page DBh - System ROM memory read Dw ROM_Mem_Read ; Page DCh - System ROM memory read Dw ROM_Mem_Read ; Page DDh - System ROM memory read Dw ROM_Mem_Read ; Page DEh - System ROM memory read Dw ROM_Mem_Read ; Page DFh - System ROM memory read Dw ROM_Mem_Read ; Page E0h - System ROM memory read Dw ROM_Mem_Read ; Page E1h - System ROM memory read Dw ROM_Mem_Read ; Page E2h - System ROM memory read Dw ROM_Mem_Read ; Page E3h - System ROM memory read Dw ROM_Mem_Read ; Page E4h - System ROM memory read Dw ROM_Mem_Read ; Page E5h - System ROM memory read Dw ROM_Mem_Read ; Page E6h - System ROM memory read Dw ROM_Mem_Read ; Page E7h - System ROM memory read Dw ROM_Mem_Read ; Page E8h - System ROM memory read Dw ROM_Mem_Read ; Page E9h - System ROM memory read Dw ROM_Mem_Read ; Page EAh - System ROM memory read Dw ROM_Mem_Read ; Page EBh - System ROM memory read Dw ROM_Mem_Read ; Page ECh - System ROM memory read Dw ROM_Mem_Read ; Page EDh - System ROM memory read Dw ROM_Mem_Read ; Page EEh - System ROM memory read Dw ROM_Mem_Read ; Page EFh - System ROM memory read Dw ROM_Mem_Read ; Page F0h - System ROM memory read Dw ROM_Mem_Read ; Page F1h - System ROM memory read Dw ROM_Mem_Read ; Page F2h - System ROM memory read Dw ROM_Mem_Read ; Page F3h - System ROM memory read Dw ROM_Mem_Read ; Page F4h - System ROM memory read Dw ROM_Mem_Read ; Page F5h - System ROM memory read Dw ROM_Mem_Read ; Page F6h - System ROM memory read Dw ROM_Mem_Read ; Page F7h - System ROM memory read Dw ROM_Mem_Read ; Page F8h - System ROM memory read Dw ROM_Mem_Read ; Page F9h - System ROM memory read Dw ROM_Mem_Read ; Page FAh - System ROM memory read Dw ROM_Mem_Read ; Page FBh - System ROM memory read Dw ROM_Mem_Read ; Page FCh - System ROM memory read Dw ROM_Mem_Read ; Page FDh - System ROM memory read Dw ROM_Mem_Read ; Page FEh - System ROM memory read Dw ROM_Mem_Read ; Page FFh - System ROM memory read ;****************************************************************************** ; ; Define the Write Memory Page Table ; ;****************************************************************************** Even ; Force table to even address Write_Table Equ This Word ; Write memory page table Dw STD_Mem_Write ; Page 00h - Standard memory write Dw STD_Mem_Write ; Page 01h - Standard memory write Dw STD_Mem_Write ; Page 02h - Standard memory write Dw STD_Mem_Write ; Page 03h - Standard memory write Dw 0000h ; Page 04h - Low res/text page 1 write Dw 0000h ; Page 05h - Low res/text page 1 write Dw 0000h ; Page 06h - Low res/text page 1 write Dw 0000h ; Page 07h - Low res/text page 1 write Dw 0000h ; Page 08h - Low res/text page 2 write Dw 0000h ; Page 09h - Low res/text page 2 write Dw 0000h ; Page 0Ah - Low res/text page 2 write Dw 0000h ; Page 0Bh - Low res/text page 2 write Dw STD_Mem_Write ; Page 0Ch - Standard memory write Dw STD_Mem_Write ; Page 0Dh - Standard memory write Dw STD_Mem_Write ; Page 0Eh - Standard memory write Dw STD_Mem_Write ; Page 0Fh - Standard memory write Dw STD_Mem_Write ; Page 10h - Standard memory write Dw STD_Mem_Write ; Page 11h - Standard memory write Dw STD_Mem_Write ; Page 12h - Standard memory write Dw STD_Mem_Write ; Page 13h - Standard memory write Dw STD_Mem_Write ; Page 14h - Standard memory write Dw STD_Mem_Write ; Page 15h - Standard memory write Dw STD_Mem_Write ; Page 16h - Standard memory write Dw STD_Mem_Write ; Page 17h - Standard memory write Dw STD_Mem_Write ; Page 18h - Standard memory write Dw STD_Mem_Write ; Page 19h - Standard memory write Dw STD_Mem_Write ; Page 1Ah - Standard memory write Dw STD_Mem_Write ; Page 1Bh - Standard memory write Dw STD_Mem_Write ; Page 1Ch - Standard memory write Dw STD_Mem_Write ; Page 1Dh - Standard memory write Dw STD_Mem_Write ; Page 1Eh - Standard memory write Dw STD_Mem_Write ; Page 1Fh - Standard memory write Dw 0000h ; Page 20h - High res page 1 write Dw 0000h ; Page 21h - High res page 1 write Dw 0000h ; Page 22h - High res page 1 write Dw 0000h ; Page 23h - High res page 1 write Dw 0000h ; Page 24h - High res page 1 write Dw 0000h ; Page 25h - High res page 1 write Dw 0000h ; Page 26h - High res page 1 write Dw 0000h ; Page 27h - High res page 1 write Dw 0000h ; Page 28h - High res page 1 write Dw 0000h ; Page 29h - High res page 1 write Dw 0000h ; Page 2Ah - High res page 1 write Dw 0000h ; Page 2Bh - High res page 1 write Dw 0000h ; Page 2Ch - High res page 1 write Dw 0000h ; Page 2Dh - High res page 1 write Dw 0000h ; Page 2Eh - High res page 1 write Dw 0000h ; Page 2Fh - High res page 1 write Dw 0000h ; Page 30h - High res page 1 write Dw 0000h ; Page 31h - High res page 1 write Dw 0000h ; Page 32h - High res page 1 write Dw 0000h ; Page 33h - High res page 1 write Dw 0000h ; Page 34h - High res page 1 write Dw 0000h ; Page 35h - High res page 1 write Dw 0000h ; Page 36h - High res page 1 write Dw 0000h ; Page 37h - High res page 1 write Dw 0000h ; Page 38h - High res page 1 write Dw 0000h ; Page 39h - High res page 1 write Dw 0000h ; Page 3Ah - High res page 1 write Dw 0000h ; Page 3Bh - High res page 1 write Dw 0000h ; Page 3Ch - High res page 1 write Dw 0000h ; Page 3Dh - High res page 1 write Dw 0000h ; Page 3Eh - High res page 1 write Dw 0000h ; Page 3Fh - High res page 1 write Dw 0000h ; Page 40h - High res page 2 write Dw 0000h ; Page 41h - High res page 2 write Dw 0000h ; Page 42h - High res page 2 write Dw 0000h ; Page 43h - High res page 2 write Dw 0000h ; Page 44h - High res page 2 write Dw 0000h ; Page 45h - High res page 2 write Dw 0000h ; Page 46h - High res page 2 write Dw 0000h ; Page 47h - High res page 2 write Dw 0000h ; Page 48h - High res page 2 write Dw 0000h ; Page 49h - High res page 2 write Dw 0000h ; Page 4Ah - High res page 2 write Dw 0000h ; Page 4Bh - High res page 2 write Dw 0000h ; Page 4Ch - High res page 2 write Dw 0000h ; Page 4Dh - High res page 2 write Dw 0000h ; Page 4Eh - High res page 2 write Dw 0000h ; Page 4Fh - High res page 2 write Dw 0000h ; Page 50h - High res page 2 write Dw 0000h ; Page 51h - High res page 2 write Dw 0000h ; Page 52h - High res page 2 write Dw 0000h ; Page 53h - High res page 2 write Dw 0000h ; Page 54h - High res page 2 write Dw 0000h ; Page 55h - High res page 2 write Dw 0000h ; Page 56h - High res page 2 write Dw 0000h ; Page 57h - High res page 2 write Dw 0000h ; Page 58h - High res page 2 write Dw 0000h ; Page 59h - High res page 2 write Dw 0000h ; Page 5Ah - High res page 2 write Dw 0000h ; Page 5Bh - High res page 2 write Dw 0000h ; Page 5Ch - High res page 2 write Dw 0000h ; Page 5Dh - High res page 2 write Dw 0000h ; Page 5Eh - High res page 2 write Dw 0000h ; Page 5Fh - High res page 2 write Dw STD_Mem_Write ; Page 60h - Standard memory write Dw STD_Mem_Write ; Page 61h - Standard memory write Dw STD_Mem_Write ; Page 62h - Standard memory write Dw STD_Mem_Write ; Page 63h - Standard memory write Dw STD_Mem_Write ; Page 64h - Standard memory write Dw STD_Mem_Write ; Page 65h - Standard memory write Dw STD_Mem_Write ; Page 66h - Standard memory write Dw STD_Mem_Write ; Page 67h - Standard memory write Dw STD_Mem_Write ; Page 68h - Standard memory write Dw STD_Mem_Write ; Page 69h - Standard memory write Dw STD_Mem_Write ; Page 6Ah - Standard memory write Dw STD_Mem_Write ; Page 6Bh - Standard memory write Dw STD_Mem_Write ; Page 6Ch - Standard memory write Dw STD_Mem_Write ; Page 6Dh - Standard memory write Dw STD_Mem_Write ; Page 6Eh - Standard memory write Dw STD_Mem_Write ; Page 6Fh - Standard memory write Dw STD_Mem_Write ; Page 70h - Standard memory write Dw STD_Mem_Write ; Page 71h - Standard memory write Dw STD_Mem_Write ; Page 72h - Standard memory write Dw STD_Mem_Write ; Page 73h - Standard memory write Dw STD_Mem_Write ; Page 74h - Standard memory write Dw STD_Mem_Write ; Page 75h - Standard memory write Dw STD_Mem_Write ; Page 76h - Standard memory write Dw STD_Mem_Write ; Page 77h - Standard memory write Dw STD_Mem_Write ; Page 78h - Standard memory write Dw STD_Mem_Write ; Page 79h - Standard memory write Dw STD_Mem_Write ; Page 7Ah - Standard memory write Dw STD_Mem_Write ; Page 7Bh - Standard memory write Dw STD_Mem_Write ; Page 7Ch - Standard memory write Dw STD_Mem_Write ; Page 7Dh - Standard memory write Dw STD_Mem_Write ; Page 7Eh - Standard memory write Dw STD_Mem_Write ; Page 7Fh - Standard memory write Dw STD_Mem_Write ; Page 80h - Standard memory write Dw STD_Mem_Write ; Page 81h - Standard memory write Dw STD_Mem_Write ; Page 82h - Standard memory write Dw STD_Mem_Write ; Page 83h - Standard memory write Dw STD_Mem_Write ; Page 84h - Standard memory write Dw STD_Mem_Write ; Page 85h - Standard memory write Dw STD_Mem_Write ; Page 86h - Standard memory write Dw STD_Mem_Write ; Page 87h - Standard memory write Dw STD_Mem_Write ; Page 88h - Standard memory write Dw STD_Mem_Write ; Page 89h - Standard memory write Dw STD_Mem_Write ; Page 8Ah - Standard memory write Dw STD_Mem_Write ; Page 8Bh - Standard memory write Dw STD_Mem_Write ; Page 8Ch - Standard memory write Dw STD_Mem_Write ; Page 8Dh - Standard memory write Dw STD_Mem_Write ; Page 8Eh - Standard memory write Dw STD_Mem_Write ; Page 8Fh - Standard memory write Dw STD_Mem_Write ; Page 90h - Standard memory write Dw STD_Mem_Write ; Page 91h - Standard memory write Dw STD_Mem_Write ; Page 92h - Standard memory write Dw STD_Mem_Write ; Page 93h - Standard memory write Dw STD_Mem_Write ; Page 94h - Standard memory write Dw STD_Mem_Write ; Page 95h - Standard memory write Dw STD_Mem_Write ; Page 96h - Standard memory write Dw STD_Mem_Write ; Page 97h - Standard memory write Dw STD_Mem_Write ; Page 98h - Standard memory write Dw STD_Mem_Write ; Page 99h - Standard memory write Dw STD_Mem_Write ; Page 9Ah - Standard memory write Dw STD_Mem_Write ; Page 9Bh - Standard memory write Dw STD_Mem_Write ; Page 9Ch - Standard memory write Dw STD_Mem_Write ; Page 9Dh - Standard memory write Dw STD_Mem_Write ; Page 9Eh - Standard memory write Dw STD_Mem_Write ; Page 9Fh - Standard memory write Dw STD_Mem_Write ; Page A0h - Standard memory write Dw STD_Mem_Write ; Page A1h - Standard memory write Dw STD_Mem_Write ; Page A2h - Standard memory write Dw STD_Mem_Write ; Page A3h - Standard memory write Dw STD_Mem_Write ; Page A4h - Standard memory write Dw STD_Mem_Write ; Page A5h - Standard memory write Dw STD_Mem_Write ; Page A6h - Standard memory write Dw STD_Mem_Write ; Page A7h - Standard memory write Dw STD_Mem_Write ; Page A8h - Standard memory write Dw STD_Mem_Write ; Page A9h - Standard memory write Dw STD_Mem_Write ; Page AAh - Standard memory write Dw STD_Mem_Write ; Page ABh - Standard memory write Dw STD_Mem_Write ; Page ACh - Standard memory write Dw STD_Mem_Write ; Page ADh - Standard memory write Dw STD_Mem_Write ; Page AEh - Standard memory write Dw STD_Mem_Write ; Page AFh - Standard memory write Dw STD_Mem_Write ; Page B0h - Standard memory write Dw STD_Mem_Write ; Page B1h - Standard memory write Dw STD_Mem_Write ; Page B2h - Standard memory write Dw STD_Mem_Write ; Page B3h - Standard memory write Dw STD_Mem_Write ; Page B4h - Standard memory write Dw STD_Mem_Write ; Page B5h - Standard memory write Dw STD_Mem_Write ; Page B6h - Standard memory write Dw STD_Mem_Write ; Page B7h - Standard memory write Dw STD_Mem_Write ; Page B8h - Standard memory write Dw STD_Mem_Write ; Page B9h - Standard memory write Dw STD_Mem_Write ; Page BAh - Standard memory write Dw STD_Mem_Write ; Page BBh - Standard memory write Dw STD_Mem_Write ; Page BCh - Standard memory write Dw STD_Mem_Write ; Page BDh - Standard memory write Dw STD_Mem_Write ; Page BEh - Standard memory write Dw STD_Mem_Write ; Page BFh - Standard memory write Dw Hardware_Write ; Page C0h - Hardware write Dw Exp_Slot_Write ; Page C1h - Expansion slot 1 write Dw Exp_Slot_Write ; Page C2h - Expansion slot 2 write Dw Exp_Slot_Write ; Page C3h - Expansion slot 3 write Dw Exp_Slot_Write ; Page C4h - Expansion slot 4 write Dw Exp_Slot_Write ; Page C5h - Expansion slot 5 write Dw Exp_Slot_Write ; Page C6h - Expansion slot 6 write Dw Exp_Slot_Write ; Page C7h - Expansion slot 7 write Dw Exp_Mem_Write ; Page C8h - Expansion memory write Dw Exp_Mem_Write ; Page C9h - Expansion memory write Dw Exp_Mem_Write ; Page CAh - Expansion memory write Dw Exp_Mem_Write ; Page CBh - Expansion memory write Dw Exp_Mem_Write ; Page CCh - Expansion memory write Dw Exp_Mem_Write ; Page CDh - Expansion memory write Dw Exp_Mem_Write ; Page CEh - Expansion memory write Dw Exp_Mem_Write ; Page CFh - Expansion memory write Dw ROM_Mem_Write ; Page D0h - System ROM memory write Dw ROM_Mem_Write ; Page D1h - System ROM memory write Dw ROM_Mem_Write ; Page D2h - System ROM memory write Dw ROM_Mem_Write ; Page D3h - System ROM memory write Dw ROM_Mem_Write ; Page D4h - System ROM memory write Dw ROM_Mem_Write ; Page D5h - System ROM memory write Dw ROM_Mem_Write ; Page D6h - System ROM memory write Dw ROM_Mem_Write ; Page D7h - System ROM memory write Dw ROM_Mem_Write ; Page D8h - System ROM memory write Dw ROM_Mem_Write ; Page D9h - System ROM memory write Dw ROM_Mem_Write ; Page DAh - System ROM memory write Dw ROM_Mem_Write ; Page DBh - System ROM memory write Dw ROM_Mem_Write ; Page DCh - System ROM memory write Dw ROM_Mem_Write ; Page DDh - System ROM memory write Dw ROM_Mem_Write ; Page DEh - System ROM memory write Dw ROM_Mem_Write ; Page DFh - System ROM memory write Dw ROM_Mem_Write ; Page E0h - System ROM memory write Dw ROM_Mem_Write ; Page E1h - System ROM memory write Dw ROM_Mem_Write ; Page E2h - System ROM memory write Dw ROM_Mem_Write ; Page E3h - System ROM memory write Dw ROM_Mem_Write ; Page E4h - System ROM memory write Dw ROM_Mem_Write ; Page E5h - System ROM memory write Dw ROM_Mem_Write ; Page E6h - System ROM memory write Dw ROM_Mem_Write ; Page E7h - System ROM memory write Dw ROM_Mem_Write ; Page E8h - System ROM memory write Dw ROM_Mem_Write ; Page E9h - System ROM memory write Dw ROM_Mem_Write ; Page EAh - System ROM memory write Dw ROM_Mem_Write ; Page EBh - System ROM memory write Dw ROM_Mem_Write ; Page ECh - System ROM memory write Dw ROM_Mem_Write ; Page EDh - System ROM memory write Dw ROM_Mem_Write ; Page EEh - System ROM memory write Dw ROM_Mem_Write ; Page EFh - System ROM memory write Dw ROM_Mem_Write ; Page F0h - System ROM memory write Dw ROM_Mem_Write ; Page F1h - System ROM memory write Dw ROM_Mem_Write ; Page F2h - System ROM memory write Dw ROM_Mem_Write ; Page F3h - System ROM memory write Dw ROM_Mem_Write ; Page F4h - System ROM memory write Dw ROM_Mem_Write ; Page F5h - System ROM memory write Dw ROM_Mem_Write ; Page F6h - System ROM memory write Dw ROM_Mem_Write ; Page F7h - System ROM memory write Dw ROM_Mem_Write ; Page F8h - System ROM memory write Dw ROM_Mem_Write ; Page F9h - System ROM memory write Dw ROM_Mem_Write ; Page FAh - System ROM memory write Dw ROM_Mem_Write ; Page FBh - System ROM memory write Dw ROM_Mem_Write ; Page FCh - System ROM memory write Dw ROM_Mem_Write ; Page FDh - System ROM memory write Dw ROM_Mem_Write ; Page FEh - System ROM memory write Dw ROM_Mem_Write ; Page FFh - System ROM memory write ;****************************************************************************** ; ; Define the I/O Read Table ; ;****************************************************************************** Even ; Force table to even address IO_Read_Table Equ This Word ; I/O read table Dw Keyboard_Input ; Location 00h - Keyboard input Dw Keyboard_Input ; Location 01h - Keyboard input Dw Keyboard_Input ; Location 02h - Keyboard input Dw Keyboard_Input ; Location 03h - Keyboard input Dw Keyboard_Input ; Location 04h - Keyboard input Dw Keyboard_Input ; Location 05h - Keyboard input Dw Keyboard_Input ; Location 06h - Keyboard input Dw Keyboard_Input ; Location 07h - Keyboard input Dw Keyboard_Input ; Location 08h - Keyboard input Dw Keyboard_Input ; Location 09h - Keyboard input Dw Keyboard_Input ; Location 0Ah - Keyboard input Dw Keyboard_Input ; Location 0Bh - Keyboard input Dw Keyboard_Input ; Location 0Ch - Keyboard input Dw Keyboard_Input ; Location 0Dh - Keyboard input Dw Keyboard_Input ; Location 0Eh - Keyboard input Dw Keyboard_Input ; Location 0Fh - Keyboard input Dw Clear_Keyboard ; Location 10h - Clear keyboard strobe Dw Clear_Keyboard ; Location 11h - Clear keyboard strobe Dw Clear_Keyboard ; Location 12h - Clear keyboard strobe Dw Clear_Keyboard ; Location 13h - Clear keyboard strobe Dw Clear_Keyboard ; Location 14h - Clear keyboard strobe Dw Clear_Keyboard ; Location 15h - Clear keyboard strobe Dw Clear_Keyboard ; Location 16h - Clear keyboard strobe Dw Clear_Keyboard ; Location 17h - Clear keyboard strobe Dw Clear_Keyboard ; Location 18h - Clear keyboard strobe Dw Clear_Keyboard ; Location 19h - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Ah - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Bh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Ch - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Dh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Eh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Fh - Clear keyboard strobe Dw Cassette_Toggle ; Location 20h - Cassette output toggle Dw Cassette_Toggle ; Location 21h - Cassette output toggle Dw Cassette_Toggle ; Location 22h - Cassette output toggle Dw Cassette_Toggle ; Location 23h - Cassette output toggle Dw Cassette_Toggle ; Location 24h - Cassette output toggle Dw Cassette_Toggle ; Location 25h - Cassette output toggle Dw Cassette_Toggle ; Location 26h - Cassette output toggle Dw Cassette_Toggle ; Location 27h - Cassette output toggle Dw Cassette_Toggle ; Location 28h - Cassette output toggle Dw Cassette_Toggle ; Location 29h - Cassette output toggle Dw Cassette_Toggle ; Location 2Ah - Cassette output toggle Dw Cassette_Toggle ; Location 2Bh - Cassette output toggle Dw Cassette_Toggle ; Location 2Ch - Cassette output toggle Dw Cassette_Toggle ; Location 2Dh - Cassette output toggle Dw Cassette_Toggle ; Location 2Eh - Cassette output toggle Dw Cassette_Toggle ; Location 2Fh - Cassette output toggle Dw Speaker_Toggle ; Location 30h - Speaker output toggle Dw Speaker_Toggle ; Location 31h - Speaker output toggle Dw Speaker_Toggle ; Location 32h - Speaker output toggle Dw Speaker_Toggle ; Location 33h - Speaker output toggle Dw Speaker_Toggle ; Location 34h - Speaker output toggle Dw Speaker_Toggle ; Location 35h - Speaker output toggle Dw Speaker_Toggle ; Location 36h - Speaker output toggle Dw Speaker_Toggle ; Location 37h - Speaker output toggle Dw Speaker_Toggle ; Location 38h - Speaker output toggle Dw Speaker_Toggle ; Location 39h - Speaker output toggle Dw Speaker_Toggle ; Location 3Ah - Speaker output toggle Dw Speaker_Toggle ; Location 3Bh - Speaker output toggle Dw Speaker_Toggle ; Location 3Ch - Speaker output toggle Dw Speaker_Toggle ; Location 3Dh - Speaker output toggle Dw Speaker_Toggle ; Location 3Eh - Speaker output toggle Dw Speaker_Toggle ; Location 3Fh - Speaker output toggle Dw Utility_Strobe ; Location 40h - Utility output strobe Dw Utility_Strobe ; Location 41h - Utility output strobe Dw Utility_Strobe ; Location 42h - Utility output strobe Dw Utility_Strobe ; Location 43h - Utility output strobe Dw Utility_Strobe ; Location 44h - Utility output strobe Dw Utility_Strobe ; Location 45h - Utility output strobe Dw Utility_Strobe ; Location 46h - Utility output strobe Dw Utility_Strobe ; Location 47h - Utility output strobe Dw Utility_Strobe ; Location 48h - Utility output strobe Dw Utility_Strobe ; Location 49h - Utility output strobe Dw Utility_Strobe ; Location 4Ah - Utility output strobe Dw Utility_Strobe ; Location 4Bh - Utility output strobe Dw Utility_Strobe ; Location 4Ch - Utility output strobe Dw Utility_Strobe ; Location 4Dh - Utility output strobe Dw Utility_Strobe ; Location 4Eh - Utility output strobe Dw Utility_Strobe ; Location 4Fh - Utility output strobe Dw 0000h ; Location 50h - Text off (Graphics) Dw 0000h ; Location 51h - Text on (Text) Dw 0000h ; Location 52h - Mixed off Dw 0000h ; Location 53h - Mixed on (Text/Graph) Dw 0000h ; Location 54h - Select page 1 Dw 0000h ; Location 55h - Select page 2 Dw 0000h ; Location 56h - Low res. graphics Dw 0000h ; Location 57h - High res. graphics Dw Output_0_Off ; Location 58h - Output 0 Off Dw Output_0_On ; Location 59h - Output 0 On Dw Output_1_Off ; Location 5Ah - Output 1 Off Dw Output_1_On ; Location 5Bh - Output 1 On Dw Output_2_Off ; Location 5Ch - Output 2 Off Dw Output_2_On ; Location 5Dh - Output 2 On Dw Output_3_Off ; Location 5Eh - Output 3 Off Dw Output_3_On ; Location 5Fh - Output 3 On Dw Cassette_Input ; Location 60h - Cassette input Dw Button_1 ; Location 61h - Button 1 input Dw Button_2 ; Location 62h - Button 2 input Dw Button_3 ; Location 63h - Button 3 input Dw Joystick_1 ; Location 64h - Joystick 1 input Dw Joystick_2 ; Location 65h - Joystick 2 input Dw Joystick_3 ; Location 66h - Joystick 3 input Dw Joystick_4 ; Location 67h - Joystick 4 input Dw Cassette_Input ; Location 68h - Cassette input Dw Button_1 ; Location 69h - Button 1 input Dw Button_2 ; Location 6Ah - Button 2 input Dw Button_3 ; Location 6Bh - Button 3 input Dw Joystick_1 ; Location 6Ch - Joystick 1 input Dw Joystick_2 ; Location 6Dh - Joystick 2 input Dw Joystick_3 ; Location 6Eh - Joystick 3 input Dw Joystick_4 ; Location 6Fh - Joystick 4 input Dw Joystick_Strobe ; Location 70h - Joystick strobe Dw Joystick_Strobe ; Location 71h - Joystick strobe Dw Joystick_Strobe ; Location 72h - Joystick strobe Dw Joystick_Strobe ; Location 73h - Joystick strobe Dw Joystick_Strobe ; Location 74h - Joystick strobe Dw Joystick_Strobe ; Location 75h - Joystick strobe Dw Joystick_Strobe ; Location 76h - Joystick strobe Dw Joystick_Strobe ; Location 77h - Joystick strobe Dw Joystick_Strobe ; Location 78h - Joystick strobe Dw Joystick_Strobe ; Location 79h - Joystick strobe Dw Joystick_Strobe ; Location 7Ah - Joystick strobe Dw Joystick_Strobe ; Location 7Bh - Joystick strobe Dw Joystick_Strobe ; Location 7Ch - Joystick strobe Dw Joystick_Strobe ; Location 7Dh - Joystick strobe Dw Joystick_Strobe ; Location 7Eh - Joystick strobe Dw Joystick_Strobe ; Location 7Fh - Joystick strobe ;****************************************************************************** ; ; Define the I/O Write Table ; ;****************************************************************************** Even ; Force table to even address IO_Write_Table Equ This Word ; I/O write table Dw Do_Nothing ; Location 00h - Do nothing Dw Do_Nothing ; Location 01h - Do nothing Dw Do_Nothing ; Location 02h - Do nothing Dw Do_Nothing ; Location 03h - Do nothing Dw Do_Nothing ; Location 04h - Do nothing Dw Do_Nothing ; Location 05h - Do nothing Dw Do_Nothing ; Location 06h - Do nothing Dw Do_Nothing ; Location 07h - Do nothing Dw Do_Nothing ; Location 08h - Do nothing Dw Do_Nothing ; Location 09h - Do nothing Dw Do_Nothing ; Location 0Ah - Do nothing Dw Do_Nothing ; Location 0Bh - Do nothing Dw Do_Nothing ; Location 0Ch - Do nothing Dw Do_Nothing ; Location 0Dh - Do nothing Dw Do_Nothing ; Location 0Eh - Do nothing Dw Do_Nothing ; Location 0Fh - Do nothing Dw Clear_Keyboard ; Location 10h - Clear keyboard strobe Dw Clear_Keyboard ; Location 11h - Clear keyboard strobe Dw Clear_Keyboard ; Location 12h - Clear keyboard strobe Dw Clear_Keyboard ; Location 13h - Clear keyboard strobe Dw Clear_Keyboard ; Location 14h - Clear keyboard strobe Dw Clear_Keyboard ; Location 15h - Clear keyboard strobe Dw Clear_Keyboard ; Location 16h - Clear keyboard strobe Dw Clear_Keyboard ; Location 17h - Clear keyboard strobe Dw Clear_Keyboard ; Location 18h - Clear keyboard strobe Dw Clear_Keyboard ; Location 19h - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Ah - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Bh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Ch - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Dh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Eh - Clear keyboard strobe Dw Clear_Keyboard ; Location 1Fh - Clear keyboard strobe Dw Do_Nothing ; Location 20h - Do nothing Dw Do_Nothing ; Location 21h - Do nothing Dw Do_Nothing ; Location 22h - Do nothing Dw Do_Nothing ; Location 23h - Do nothing Dw Do_Nothing ; Location 24h - Do nothing Dw Do_Nothing ; Location 25h - Do nothing Dw Do_Nothing ; Location 26h - Do nothing Dw Do_Nothing ; Location 27h - Do nothing Dw Do_Nothing ; Location 28h - Do nothing Dw Do_Nothing ; Location 29h - Do nothing Dw Do_Nothing ; Location 2Ah - Do nothing Dw Do_Nothing ; Location 2Bh - Do nothing Dw Do_Nothing ; Location 2Ch - Do nothing Dw Do_Nothing ; Location 2Dh - Do nothing Dw Do_Nothing ; Location 2Eh - Do nothing Dw Do_Nothing ; Location 2Fh - Do nothing Dw Speaker_Toggle ; Location 30h - Speaker output toggle Dw Speaker_Toggle ; Location 31h - Speaker output toggle Dw Speaker_Toggle ; Location 32h - Speaker output toggle Dw Speaker_Toggle ; Location 33h - Speaker output toggle Dw Speaker_Toggle ; Location 34h - Speaker output toggle Dw Speaker_Toggle ; Location 35h - Speaker output toggle Dw Speaker_Toggle ; Location 36h - Speaker output toggle Dw Speaker_Toggle ; Location 37h - Speaker output toggle Dw Speaker_Toggle ; Location 38h - Speaker output toggle Dw Speaker_Toggle ; Location 39h - Speaker output toggle Dw Speaker_Toggle ; Location 3Ah - Speaker output toggle Dw Speaker_Toggle ; Location 3Bh - Speaker output toggle Dw Speaker_Toggle ; Location 3Ch - Speaker output toggle Dw Speaker_Toggle ; Location 3Dh - Speaker output toggle Dw Speaker_Toggle ; Location 3Eh - Speaker output toggle Dw Speaker_Toggle ; Location 3Fh - Speaker output toggle Dw Utility_Strobe ; Location 40h - Utility output strobe Dw Utility_Strobe ; Location 41h - Utility output strobe Dw Utility_Strobe ; Location 42h - Utility output strobe Dw Utility_Strobe ; Location 43h - Utility output strobe Dw Utility_Strobe ; Location 44h - Utility output strobe Dw Utility_Strobe ; Location 45h - Utility output strobe Dw Utility_Strobe ; Location 46h - Utility output strobe Dw Utility_Strobe ; Location 47h - Utility output strobe Dw Utility_Strobe ; Location 48h - Utility output strobe Dw Utility_Strobe ; Location 49h - Utility output strobe Dw Utility_Strobe ; Location 4Ah - Utility output strobe Dw Utility_Strobe ; Location 4Bh - Utility output strobe Dw Utility_Strobe ; Location 4Ch - Utility output strobe Dw Utility_Strobe ; Location 4Dh - Utility output strobe Dw Utility_Strobe ; Location 4Eh - Utility output strobe Dw Utility_Strobe ; Location 4Fh - Utility output strobe Dw 0000h ; Location 50h - Text off (Graphics) Dw 0000h ; Location 51h - Text on (Text) Dw 0000h ; Location 52h - Mixed off Dw 0000h ; Location 53h - Mixed on (Text/Graph) Dw 0000h ; Location 54h - Select page 1 Dw 0000h ; Location 55h - Select page 2 Dw 0000h ; Location 56h - Low res. graphics Dw 0000h ; Location 57h - High res. graphics Dw Output_0_Off ; Location 58h - Output 0 Off Dw Output_0_On ; Location 59h - Output 0 On Dw Output_1_Off ; Location 5Ah - Output 1 Off Dw Output_1_On ; Location 5Bh - Output 1 On Dw Output_2_Off ; Location 5Ch - Output 2 Off Dw Output_2_On ; Location 5Dh - Output 2 On Dw Output_3_Off ; Location 5Eh - Output 3 Off Dw Output_3_On ; Location 5Fh - Output 3 On Dw Do_Nothing ; Location 60h - Do nothing Dw Do_Nothing ; Location 61h - Do nothing Dw Do_Nothing ; Location 62h - Do nothing Dw Do_Nothing ; Location 63h - Do nothing Dw Do_Nothing ; Location 64h - Do nothing Dw Do_Nothing ; Location 65h - Do nothing Dw Do_Nothing ; Location 66h - Do nothing Dw Do_Nothing ; Location 67h - Do nothing Dw Do_Nothing ; Location 68h - Do nothing Dw Do_Nothing ; Location 69h - Do nothing Dw Do_Nothing ; Location 6Ah - Do nothing Dw Do_Nothing ; Location 6Bh - Do nothing Dw Do_Nothing ; Location 6Ch - Do nothing Dw Do_Nothing ; Location 6Dh - Do nothing Dw Do_Nothing ; Location 6Eh - Do nothing Dw Do_Nothing ; Location 6Fh - Do nothing Dw Joystick_Strobe ; Location 70h - Joystick strobe Dw Joystick_Strobe ; Location 71h - Joystick strobe Dw Joystick_Strobe ; Location 72h - Joystick strobe Dw Joystick_Strobe ; Location 73h - Joystick strobe Dw Joystick_Strobe ; Location 74h - Joystick strobe Dw Joystick_Strobe ; Location 75h - Joystick strobe Dw Joystick_Strobe ; Location 76h - Joystick strobe Dw Joystick_Strobe ; Location 77h - Joystick strobe Dw Joystick_Strobe ; Location 78h - Joystick strobe Dw Joystick_Strobe ; Location 79h - Joystick strobe Dw Joystick_Strobe ; Location 7Ah - Joystick strobe Dw Joystick_Strobe ; Location 7Bh - Joystick strobe Dw Joystick_Strobe ; Location 7Ch - Joystick strobe Dw Joystick_Strobe ; Location 7Dh - Joystick strobe Dw Joystick_Strobe ; Location 7Eh - Joystick strobe Dw Joystick_Strobe ; Location 7Fh - Joystick strobe ;****************************************************************************** ; ; Define the Flag Encoding Table ; ;****************************************************************************** Even ; Force table to even address Flag_Encode Equ This Byte ; CPU flag encoding table Encode <00000000b> ; Flag value 00000000b encoded Encode <00000001b> ; Flag value 00000001b encoded Encode <00000010b> ; Flag value 00000010b encoded Encode <00000011b> ; Flag value 00000011b encoded Encode <00000100b> ; Flag value 00000100b encoded Encode <00000101b> ; Flag value 00000101b encoded Encode <00000110b> ; Flag value 00000110b encoded Encode <00000111b> ; Flag value 00000111b encoded Encode <00001000b> ; Flag value 00001000b encoded Encode <00001001b> ; Flag value 00001001b encoded Encode <00001010b> ; Flag value 00001010b encoded Encode <00001011b> ; Flag value 00001011b encoded Encode <00001100b> ; Flag value 00001100b encoded Encode <00001101b> ; Flag value 00001101b encoded Encode <00001110b> ; Flag value 00001110b encoded Encode <00001111b> ; Flag value 00001111b encoded Encode <00010000b> ; Flag value 00010000b encoded Encode <00010001b> ; Flag value 00010001b encoded Encode <00010010b> ; Flag value 00010010b encoded Encode <00010011b> ; Flag value 00010011b encoded Encode <00010100b> ; Flag value 00010100b encoded Encode <00010101b> ; Flag value 00010101b encoded Encode <00010110b> ; Flag value 00010110b encoded Encode <00010111b> ; Flag value 00010111b encoded Encode <00011000b> ; Flag value 00011000b encoded Encode <00011001b> ; Flag value 00011001b encoded Encode <00011010b> ; Flag value 00011010b encoded Encode <00011011b> ; Flag value 00011011b encoded Encode <00011100b> ; Flag value 00011100b encoded Encode <00011101b> ; Flag value 00011101b encoded Encode <00011110b> ; Flag value 00011110b encoded Encode <00011111b> ; Flag value 00011111b encoded Encode <00100000b> ; Flag value 00100000b encoded Encode <00100001b> ; Flag value 00100001b encoded Encode <00100010b> ; Flag value 00100010b encoded Encode <00100011b> ; Flag value 00100011b encoded Encode <00100100b> ; Flag value 00100100b encoded Encode <00100101b> ; Flag value 00100101b encoded Encode <00100110b> ; Flag value 00100110b encoded Encode <00100111b> ; Flag value 00100111b encoded Encode <00101000b> ; Flag value 00101000b encoded Encode <00101001b> ; Flag value 00101001b encoded Encode <00101010b> ; Flag value 00101010b encoded Encode <00101011b> ; Flag value 00101011b encoded Encode <00101100b> ; Flag value 00101100b encoded Encode <00101101b> ; Flag value 00101101b encoded Encode <00101110b> ; Flag value 00101110b encoded Encode <00101111b> ; Flag value 00101111b encoded Encode <00110000b> ; Flag value 00110000b encoded Encode <00110001b> ; Flag value 00110001b encoded Encode <00110010b> ; Flag value 00110010b encoded Encode <00110011b> ; Flag value 00110011b encoded Encode <00110100b> ; Flag value 00110100b encoded Encode <00110101b> ; Flag value 00110101b encoded Encode <00110110b> ; Flag value 00110110b encoded Encode <00110111b> ; Flag value 00110111b encoded Encode <00111000b> ; Flag value 00111000b encoded Encode <00111001b> ; Flag value 00111001b encoded Encode <00111010b> ; Flag value 00111010b encoded Encode <00111011b> ; Flag value 00111011b encoded Encode <00111100b> ; Flag value 00111100b encoded Encode <00111101b> ; Flag value 00111101b encoded Encode <00111110b> ; Flag value 00111110b encoded Encode <00111111b> ; Flag value 00111111b encoded Encode <01000000b> ; Flag value 01000000b encoded Encode <01000001b> ; Flag value 01000001b encoded Encode <01000010b> ; Flag value 01000010b encoded Encode <01000011b> ; Flag value 01000011b encoded Encode <01000100b> ; Flag value 01000100b encoded Encode <01000101b> ; Flag value 01000101b encoded Encode <01000110b> ; Flag value 01000110b encoded Encode <01000111b> ; Flag value 01000111b encoded Encode <01001000b> ; Flag value 01001000b encoded Encode <01001001b> ; Flag value 01001001b encoded Encode <01001010b> ; Flag value 01001010b encoded Encode <01001011b> ; Flag value 01001011b encoded Encode <01001100b> ; Flag value 01001100b encoded Encode <01001101b> ; Flag value 01001101b encoded Encode <01001110b> ; Flag value 01001110b encoded Encode <01001111b> ; Flag value 01001111b encoded Encode <01010000b> ; Flag value 01010000b encoded Encode <01010001b> ; Flag value 01010001b encoded Encode <01010010b> ; Flag value 01010010b encoded Encode <01010011b> ; Flag value 01010011b encoded Encode <01010100b> ; Flag value 01010100b encoded Encode <01010101b> ; Flag value 01010101b encoded Encode <01010110b> ; Flag value 01010110b encoded Encode <01010111b> ; Flag value 01010111b encoded Encode <01011000b> ; Flag value 01011000b encoded Encode <01011001b> ; Flag value 01011001b encoded Encode <01011010b> ; Flag value 01011010b encoded Encode <01011011b> ; Flag value 01011011b encoded Encode <01011100b> ; Flag value 01011100b encoded Encode <01011101b> ; Flag value 01011101b encoded Encode <01011110b> ; Flag value 01011110b encoded Encode <01011111b> ; Flag value 01011111b encoded Encode <01100000b> ; Flag value 01100000b encoded Encode <01100001b> ; Flag value 01100001b encoded Encode <01100010b> ; Flag value 01100010b encoded Encode <01100011b> ; Flag value 01100011b encoded Encode <01100100b> ; Flag value 01100100b encoded Encode <01100101b> ; Flag value 01100101b encoded Encode <01100110b> ; Flag value 01100110b encoded Encode <01100111b> ; Flag value 01100111b encoded Encode <01101000b> ; Flag value 01101000b encoded Encode <01101001b> ; Flag value 01101001b encoded Encode <01101010b> ; Flag value 01101010b encoded Encode <01101011b> ; Flag value 01101011b encoded Encode <01101100b> ; Flag value 01101100b encoded Encode <01101101b> ; Flag value 01101101b encoded Encode <01101110b> ; Flag value 01101110b encoded Encode <01101111b> ; Flag value 01101111b encoded Encode <01110000b> ; Flag value 01110000b encoded Encode <01110001b> ; Flag value 01110001b encoded Encode <01110010b> ; Flag value 01110010b encoded Encode <01110011b> ; Flag value 01110011b encoded Encode <01110100b> ; Flag value 01110100b encoded Encode <01110101b> ; Flag value 01110101b encoded Encode <01110110b> ; Flag value 01110110b encoded Encode <01110111b> ; Flag value 01110111b encoded Encode <01111000b> ; Flag value 01111000b encoded Encode <01111001b> ; Flag value 01111001b encoded Encode <01111010b> ; Flag value 01111010b encoded Encode <01111011b> ; Flag value 01111011b encoded Encode <01111100b> ; Flag value 01111100b encoded Encode <01111101b> ; Flag value 01111101b encoded Encode <01111110b> ; Flag value 01111110b encoded Encode <01111111b> ; Flag value 01111111b encoded Encode <10000000b> ; Flag value 10000000b encoded Encode <10000001b> ; Flag value 10000001b encoded Encode <10000010b> ; Flag value 10000010b encoded Encode <10000011b> ; Flag value 10000011b encoded Encode <10000100b> ; Flag value 10000100b encoded Encode <10000101b> ; Flag value 10000101b encoded Encode <10000110b> ; Flag value 10000110b encoded Encode <10000111b> ; Flag value 10000111b encoded Encode <10001000b> ; Flag value 10001000b encoded Encode <10001001b> ; Flag value 10001001b encoded Encode <10001010b> ; Flag value 10001010b encoded Encode <10001011b> ; Flag value 10001011b encoded Encode <10001100b> ; Flag value 10001100b encoded Encode <10001101b> ; Flag value 10001101b encoded Encode <10001110b> ; Flag value 10001110b encoded Encode <10001111b> ; Flag value 10001111b encoded Encode <10010000b> ; Flag value 10010000b encoded Encode <10010001b> ; Flag value 10010001b encoded Encode <10010010b> ; Flag value 10010010b encoded Encode <10010011b> ; Flag value 10010011b encoded Encode <10010100b> ; Flag value 10010100b encoded Encode <10010101b> ; Flag value 10010101b encoded Encode <10010110b> ; Flag value 10010110b encoded Encode <10010111b> ; Flag value 10010111b encoded Encode <10011000b> ; Flag value 10011000b encoded Encode <10011001b> ; Flag value 10011001b encoded Encode <10011010b> ; Flag value 10011010b encoded Encode <10011011b> ; Flag value 10011011b encoded Encode <10011100b> ; Flag value 10011100b encoded Encode <10011101b> ; Flag value 10011101b encoded Encode <10011110b> ; Flag value 10011110b encoded Encode <10011111b> ; Flag value 10011111b encoded Encode <10100000b> ; Flag value 10100000b encoded Encode <10100001b> ; Flag value 10100001b encoded Encode <10100010b> ; Flag value 10100010b encoded Encode <10100011b> ; Flag value 10100011b encoded Encode <10100100b> ; Flag value 10100100b encoded Encode <10100101b> ; Flag value 10100101b encoded Encode <10100110b> ; Flag value 10100110b encoded Encode <10100111b> ; Flag value 10100111b encoded Encode <10101000b> ; Flag value 10101000b encoded Encode <10101001b> ; Flag value 10101001b encoded Encode <10101010b> ; Flag value 10101010b encoded Encode <10101011b> ; Flag value 10101011b encoded Encode <10101100b> ; Flag value 10101100b encoded Encode <10101101b> ; Flag value 10101101b encoded Encode <10101110b> ; Flag value 10101110b encoded Encode <10101111b> ; Flag value 10101111b encoded Encode <10110000b> ; Flag value 10110000b encoded Encode <10110001b> ; Flag value 10110001b encoded Encode <10110010b> ; Flag value 10110010b encoded Encode <10110011b> ; Flag value 10110011b encoded Encode <10110100b> ; Flag value 10110100b encoded Encode <10110101b> ; Flag value 10110101b encoded Encode <10110110b> ; Flag value 10110110b encoded Encode <10110111b> ; Flag value 10110111b encoded Encode <10111000b> ; Flag value 10111000b encoded Encode <10111001b> ; Flag value 10111001b encoded Encode <10111010b> ; Flag value 10111010b encoded Encode <10111011b> ; Flag value 10111011b encoded Encode <10111100b> ; Flag value 10111100b encoded Encode <10111101b> ; Flag value 10111101b encoded Encode <10111110b> ; Flag value 10111110b encoded Encode <10111111b> ; Flag value 10111111b encoded Encode <11000000b> ; Flag value 11000000b encoded Encode <11000001b> ; Flag value 11000001b encoded Encode <11000010b> ; Flag value 11000010b encoded Encode <11000011b> ; Flag value 11000011b encoded Encode <11000100b> ; Flag value 11000100b encoded Encode <11000101b> ; Flag value 11000101b encoded Encode <11000110b> ; Flag value 11000110b encoded Encode <11000111b> ; Flag value 11000111b encoded Encode <11001000b> ; Flag value 11001000b encoded Encode <11001001b> ; Flag value 11001001b encoded Encode <11001010b> ; Flag value 11001010b encoded Encode <11001011b> ; Flag value 11001011b encoded Encode <11001100b> ; Flag value 11001100b encoded Encode <11001101b> ; Flag value 11001101b encoded Encode <11001110b> ; Flag value 11001110b encoded Encode <11001111b> ; Flag value 11001111b encoded Encode <11010000b> ; Flag value 11010000b encoded Encode <11010001b> ; Flag value 11010001b encoded Encode <11010010b> ; Flag value 11010010b encoded Encode <11010011b> ; Flag value 11010011b encoded Encode <11010100b> ; Flag value 11010100b encoded Encode <11010101b> ; Flag value 11010101b encoded Encode <11010110b> ; Flag value 11010110b encoded Encode <11010111b> ; Flag value 11010111b encoded Encode <11011000b> ; Flag value 11011000b encoded Encode <11011001b> ; Flag value 11011001b encoded Encode <11011010b> ; Flag value 11011010b encoded Encode <11011011b> ; Flag value 11011011b encoded Encode <11011100b> ; Flag value 11011100b encoded Encode <11011101b> ; Flag value 11011101b encoded Encode <11011110b> ; Flag value 11011110b encoded Encode <11011111b> ; Flag value 11011111b encoded Encode <11100000b> ; Flag value 11100000b encoded Encode <11100001b> ; Flag value 11100001b encoded Encode <11100010b> ; Flag value 11100010b encoded Encode <11100011b> ; Flag value 11100011b encoded Encode <11100100b> ; Flag value 11100100b encoded Encode <11100101b> ; Flag value 11100101b encoded Encode <11100110b> ; Flag value 11100110b encoded Encode <11100111b> ; Flag value 11100111b encoded Encode <11101000b> ; Flag value 11101000b encoded Encode <11101001b> ; Flag value 11101001b encoded Encode <11101010b> ; Flag value 11101010b encoded Encode <11101011b> ; Flag value 11101011b encoded Encode <11101100b> ; Flag value 11101100b encoded Encode <11101101b> ; Flag value 11101101b encoded Encode <11101110b> ; Flag value 11101110b encoded Encode <11101111b> ; Flag value 11101111b encoded Encode <11110000b> ; Flag value 11110000b encoded Encode <11110001b> ; Flag value 11110001b encoded Encode <11110010b> ; Flag value 11110010b encoded Encode <11110011b> ; Flag value 11110011b encoded Encode <11110100b> ; Flag value 11110100b encoded Encode <11110101b> ; Flag value 11110101b encoded Encode <11110110b> ; Flag value 11110110b encoded Encode <11110111b> ; Flag value 11110111b encoded Encode <11111000b> ; Flag value 11111000b encoded Encode <11111001b> ; Flag value 11111001b encoded Encode <11111010b> ; Flag value 11111010b encoded Encode <11111011b> ; Flag value 11111011b encoded Encode <11111100b> ; Flag value 11111100b encoded Encode <11111101b> ; Flag value 11111101b encoded Encode <11111110b> ; Flag value 11111110b encoded Encode <11111111b> ; Flag value 11111111b encoded ;****************************************************************************** ; ; Define the Flag Decoding Table ; ;****************************************************************************** Even ; Force table to even address Flag_Decode Equ This Byte ; CPU flag decoding table Decode <00000000b> ; Flag value 00000000b decoded Decode <00000001b> ; Flag value 00000001b decoded Decode <00000010b> ; Flag value 00000010b decoded Decode <00000011b> ; Flag value 00000011b decoded Decode <00000100b> ; Flag value 00000100b decoded Decode <00000101b> ; Flag value 00000101b decoded Decode <00000110b> ; Flag value 00000110b decoded Decode <00000111b> ; Flag value 00000111b decoded Decode <00001000b> ; Flag value 00001000b decoded Decode <00001001b> ; Flag value 00001001b decoded Decode <00001010b> ; Flag value 00001010b decoded Decode <00001011b> ; Flag value 00001011b decoded Decode <00001100b> ; Flag value 00001100b decoded Decode <00001101b> ; Flag value 00001101b decoded Decode <00001110b> ; Flag value 00001110b decoded Decode <00001111b> ; Flag value 00001111b decoded Decode <00010000b> ; Flag value 00010000b decoded Decode <00010001b> ; Flag value 00010001b decoded Decode <00010010b> ; Flag value 00010010b decoded Decode <00010011b> ; Flag value 00010011b decoded Decode <00010100b> ; Flag value 00010100b decoded Decode <00010101b> ; Flag value 00010101b decoded Decode <00010110b> ; Flag value 00010110b decoded Decode <00010111b> ; Flag value 00010111b decoded Decode <00011000b> ; Flag value 00011000b decoded Decode <00011001b> ; Flag value 00011001b decoded Decode <00011010b> ; Flag value 00011010b decoded Decode <00011011b> ; Flag value 00011011b decoded Decode <00011100b> ; Flag value 00011100b decoded Decode <00011101b> ; Flag value 00011101b decoded Decode <00011110b> ; Flag value 00011110b decoded Decode <00011111b> ; Flag value 00011111b decoded Decode <00100000b> ; Flag value 00100000b decoded Decode <00100001b> ; Flag value 00100001b decoded Decode <00100010b> ; Flag value 00100010b decoded Decode <00100011b> ; Flag value 00100011b decoded Decode <00100100b> ; Flag value 00100100b decoded Decode <00100101b> ; Flag value 00100101b decoded Decode <00100110b> ; Flag value 00100110b decoded Decode <00100111b> ; Flag value 00100111b decoded Decode <00101000b> ; Flag value 00101000b decoded Decode <00101001b> ; Flag value 00101001b decoded Decode <00101010b> ; Flag value 00101010b decoded Decode <00101011b> ; Flag value 00101011b decoded Decode <00101100b> ; Flag value 00101100b decoded Decode <00101101b> ; Flag value 00101101b decoded Decode <00101110b> ; Flag value 00101110b decoded Decode <00101111b> ; Flag value 00101111b decoded Decode <00110000b> ; Flag value 00110000b decoded Decode <00110001b> ; Flag value 00110001b decoded Decode <00110010b> ; Flag value 00110010b decoded Decode <00110011b> ; Flag value 00110011b decoded Decode <00110100b> ; Flag value 00110100b decoded Decode <00110101b> ; Flag value 00110101b decoded Decode <00110110b> ; Flag value 00110110b decoded Decode <00110111b> ; Flag value 00110111b decoded Decode <00111000b> ; Flag value 00111000b decoded Decode <00111001b> ; Flag value 00111001b decoded Decode <00111010b> ; Flag value 00111010b decoded Decode <00111011b> ; Flag value 00111011b decoded Decode <00111100b> ; Flag value 00111100b decoded Decode <00111101b> ; Flag value 00111101b decoded Decode <00111110b> ; Flag value 00111110b decoded Decode <00111111b> ; Flag value 00111111b decoded Decode <01000000b> ; Flag value 01000000b decoded Decode <01000001b> ; Flag value 01000001b decoded Decode <01000010b> ; Flag value 01000010b decoded Decode <01000011b> ; Flag value 01000011b decoded Decode <01000100b> ; Flag value 01000100b decoded Decode <01000101b> ; Flag value 01000101b decoded Decode <01000110b> ; Flag value 01000110b decoded Decode <01000111b> ; Flag value 01000111b decoded Decode <01001000b> ; Flag value 01001000b decoded Decode <01001001b> ; Flag value 01001001b decoded Decode <01001010b> ; Flag value 01001010b decoded Decode <01001011b> ; Flag value 01001011b decoded Decode <01001100b> ; Flag value 01001100b decoded Decode <01001101b> ; Flag value 01001101b decoded Decode <01001110b> ; Flag value 01001110b decoded Decode <01001111b> ; Flag value 01001111b decoded Decode <01010000b> ; Flag value 01010000b decoded Decode <01010001b> ; Flag value 01010001b decoded Decode <01010010b> ; Flag value 01010010b decoded Decode <01010011b> ; Flag value 01010011b decoded Decode <01010100b> ; Flag value 01010100b decoded Decode <01010101b> ; Flag value 01010101b decoded Decode <01010110b> ; Flag value 01010110b decoded Decode <01010111b> ; Flag value 01010111b decoded Decode <01011000b> ; Flag value 01011000b decoded Decode <01011001b> ; Flag value 01011001b decoded Decode <01011010b> ; Flag value 01011010b decoded Decode <01011011b> ; Flag value 01011011b decoded Decode <01011100b> ; Flag value 01011100b decoded Decode <01011101b> ; Flag value 01011101b decoded Decode <01011110b> ; Flag value 01011110b decoded Decode <01011111b> ; Flag value 01011111b decoded Decode <01100000b> ; Flag value 01100000b decoded Decode <01100001b> ; Flag value 01100001b decoded Decode <01100010b> ; Flag value 01100010b decoded Decode <01100011b> ; Flag value 01100011b decoded Decode <01100100b> ; Flag value 01100100b decoded Decode <01100101b> ; Flag value 01100101b decoded Decode <01100110b> ; Flag value 01100110b decoded Decode <01100111b> ; Flag value 01100111b decoded Decode <01101000b> ; Flag value 01101000b decoded Decode <01101001b> ; Flag value 01101001b decoded Decode <01101010b> ; Flag value 01101010b decoded Decode <01101011b> ; Flag value 01101011b decoded Decode <01101100b> ; Flag value 01101100b decoded Decode <01101101b> ; Flag value 01101101b decoded Decode <01101110b> ; Flag value 01101110b decoded Decode <01101111b> ; Flag value 01101111b decoded Decode <01110000b> ; Flag value 01110000b decoded Decode <01110001b> ; Flag value 01110001b decoded Decode <01110010b> ; Flag value 01110010b decoded Decode <01110011b> ; Flag value 01110011b decoded Decode <01110100b> ; Flag value 01110100b decoded Decode <01110101b> ; Flag value 01110101b decoded Decode <01110110b> ; Flag value 01110110b decoded Decode <01110111b> ; Flag value 01110111b decoded Decode <01111000b> ; Flag value 01111000b decoded Decode <01111001b> ; Flag value 01111001b decoded Decode <01111010b> ; Flag value 01111010b decoded Decode <01111011b> ; Flag value 01111011b decoded Decode <01111100b> ; Flag value 01111100b decoded Decode <01111101b> ; Flag value 01111101b decoded Decode <01111110b> ; Flag value 01111110b decoded Decode <01111111b> ; Flag value 01111111b decoded Decode <10000000b> ; Flag value 10000000b decoded Decode <10000001b> ; Flag value 10000001b decoded Decode <10000010b> ; Flag value 10000010b decoded Decode <10000011b> ; Flag value 10000011b decoded Decode <10000100b> ; Flag value 10000100b decoded Decode <10000101b> ; Flag value 10000101b decoded Decode <10000110b> ; Flag value 10000110b decoded Decode <10000111b> ; Flag value 10000111b decoded Decode <10001000b> ; Flag value 10001000b decoded Decode <10001001b> ; Flag value 10001001b decoded Decode <10001010b> ; Flag value 10001010b decoded Decode <10001011b> ; Flag value 10001011b decoded Decode <10001100b> ; Flag value 10001100b decoded Decode <10001101b> ; Flag value 10001101b decoded Decode <10001110b> ; Flag value 10001110b decoded Decode <10001111b> ; Flag value 10001111b decoded Decode <10010000b> ; Flag value 10010000b decoded Decode <10010001b> ; Flag value 10010001b decoded Decode <10010010b> ; Flag value 10010010b decoded Decode <10010011b> ; Flag value 10010011b decoded Decode <10010100b> ; Flag value 10010100b decoded Decode <10010101b> ; Flag value 10010101b decoded Decode <10010110b> ; Flag value 10010110b decoded Decode <10010111b> ; Flag value 10010111b decoded Decode <10011000b> ; Flag value 10011000b decoded Decode <10011001b> ; Flag value 10011001b decoded Decode <10011010b> ; Flag value 10011010b decoded Decode <10011011b> ; Flag value 10011011b decoded Decode <10011100b> ; Flag value 10011100b decoded Decode <10011101b> ; Flag value 10011101b decoded Decode <10011110b> ; Flag value 10011110b decoded Decode <10011111b> ; Flag value 10011111b decoded Decode <10100000b> ; Flag value 10100000b decoded Decode <10100001b> ; Flag value 10100001b decoded Decode <10100010b> ; Flag value 10100010b decoded Decode <10100011b> ; Flag value 10100011b decoded Decode <10100100b> ; Flag value 10100100b decoded Decode <10100101b> ; Flag value 10100101b decoded Decode <10100110b> ; Flag value 10100110b decoded Decode <10100111b> ; Flag value 10100111b decoded Decode <10101000b> ; Flag value 10101000b decoded Decode <10101001b> ; Flag value 10101001b decoded Decode <10101010b> ; Flag value 10101010b decoded Decode <10101011b> ; Flag value 10101011b decoded Decode <10101100b> ; Flag value 10101100b decoded Decode <10101101b> ; Flag value 10101101b decoded Decode <10101110b> ; Flag value 10101110b decoded Decode <10101111b> ; Flag value 10101111b decoded Decode <10110000b> ; Flag value 10110000b decoded Decode <10110001b> ; Flag value 10110001b decoded Decode <10110010b> ; Flag value 10110010b decoded Decode <10110011b> ; Flag value 10110011b decoded Decode <10110100b> ; Flag value 10110100b decoded Decode <10110101b> ; Flag value 10110101b decoded Decode <10110110b> ; Flag value 10110110b decoded Decode <10110111b> ; Flag value 10110111b decoded Decode <10111000b> ; Flag value 10111000b decoded Decode <10111001b> ; Flag value 10111001b decoded Decode <10111010b> ; Flag value 10111010b decoded Decode <10111011b> ; Flag value 10111011b decoded Decode <10111100b> ; Flag value 10111100b decoded Decode <10111101b> ; Flag value 10111101b decoded Decode <10111110b> ; Flag value 10111110b decoded Decode <10111111b> ; Flag value 10111111b decoded Decode <11000000b> ; Flag value 11000000b decoded Decode <11000001b> ; Flag value 11000001b decoded Decode <11000010b> ; Flag value 11000010b decoded Decode <11000011b> ; Flag value 11000011b decoded Decode <11000100b> ; Flag value 11000100b decoded Decode <11000101b> ; Flag value 11000101b decoded Decode <11000110b> ; Flag value 11000110b decoded Decode <11000111b> ; Flag value 11000111b decoded Decode <11001000b> ; Flag value 11001000b decoded Decode <11001001b> ; Flag value 11001001b decoded Decode <11001010b> ; Flag value 11001010b decoded Decode <11001011b> ; Flag value 11001011b decoded Decode <11001100b> ; Flag value 11001100b decoded Decode <11001101b> ; Flag value 11001101b decoded Decode <11001110b> ; Flag value 11001110b decoded Decode <11001111b> ; Flag value 11001111b decoded Decode <11010000b> ; Flag value 11010000b decoded Decode <11010001b> ; Flag value 11010001b decoded Decode <11010010b> ; Flag value 11010010b decoded Decode <11010011b> ; Flag value 11010011b decoded Decode <11010100b> ; Flag value 11010100b decoded Decode <11010101b> ; Flag value 11010101b decoded Decode <11010110b> ; Flag value 11010110b decoded Decode <11010111b> ; Flag value 11010111b decoded Decode <11011000b> ; Flag value 11011000b decoded Decode <11011001b> ; Flag value 11011001b decoded Decode <11011010b> ; Flag value 11011010b decoded Decode <11011011b> ; Flag value 11011011b decoded Decode <11011100b> ; Flag value 11011100b decoded Decode <11011101b> ; Flag value 11011101b decoded Decode <11011110b> ; Flag value 11011110b decoded Decode <11011111b> ; Flag value 11011111b decoded Decode <11100000b> ; Flag value 11100000b decoded Decode <11100001b> ; Flag value 11100001b decoded Decode <11100010b> ; Flag value 11100010b decoded Decode <11100011b> ; Flag value 11100011b decoded Decode <11100100b> ; Flag value 11100100b decoded Decode <11100101b> ; Flag value 11100101b decoded Decode <11100110b> ; Flag value 11100110b decoded Decode <11100111b> ; Flag value 11100111b decoded Decode <11101000b> ; Flag value 11101000b decoded Decode <11101001b> ; Flag value 11101001b decoded Decode <11101010b> ; Flag value 11101010b decoded Decode <11101011b> ; Flag value 11101011b decoded Decode <11101100b> ; Flag value 11101100b decoded Decode <11101101b> ; Flag value 11101101b decoded Decode <11101110b> ; Flag value 11101110b decoded Decode <11101111b> ; Flag value 11101111b decoded Decode <11110000b> ; Flag value 11110000b decoded Decode <11110001b> ; Flag value 11110001b decoded Decode <11110010b> ; Flag value 11110010b decoded Decode <11110011b> ; Flag value 11110011b decoded Decode <11110100b> ; Flag value 11110100b decoded Decode <11110101b> ; Flag value 11110101b decoded Decode <11110110b> ; Flag value 11110110b decoded Decode <11110111b> ; Flag value 11110111b decoded Decode <11111000b> ; Flag value 11111000b decoded Decode <11111001b> ; Flag value 11111001b decoded Decode <11111010b> ; Flag value 11111010b decoded Decode <11111011b> ; Flag value 11111011b decoded Decode <11111100b> ; Flag value 11111100b decoded Decode <11111101b> ; Flag value 11111101b decoded Decode <11111110b> ; Flag value 11111110b decoded Decode <11111111b> ; Flag value 11111111b decoded ;****************************************************************************** ; ; Define the Apple ROM Data File ; ;****************************************************************************** System_ROM Db "Apple.ROM",0 ; Apple system ROM data file Disk_ROM Db "Disk.ROM",0 ; Apple disk controller ROM data file ;****************************************************************************** ; ; Define the Apple system flag byte ; ; ----------------- ; |7|6|5|4|3|2|1|0| ; ----------------- ; | | | | | | | | ; | | | | | | | -------> Video type (0 = CGA, 1 = EGA) ; | | | | | | ---------> Display type (0 = CGA, 1 = EGA) ; | | | | | -----------> Interrupt status (0 = Normal, 1 = Patched) ; | | | | -------------> Video status (0 = Normal, 1 = Initialized) ; | | | ---------------> ***** Reserved ***** ; | | -----------------> ***** Reserved ***** ; | -------------------> ***** Reserved ***** ; ---------------------> ***** Reserved ***** ; ;****************************************************************************** Even ; Force byte to even address System_Flag Db 00h ; System flag byte ;****************************************************************************** ; ; Define the Video system flag byte ; ; ----------------- ; |7|6|5|4|3|2|1|0| ; ----------------- ; | | | | | | | | ; | | | | | | | -------> Video Mode (0 = Text, 1 = Graphics) ; | | | | | | ---------> Page Number (0 = Page 1, 1 = Page 2) ; | | | | | -----------> Resolution (0 = Low, 1 = High) ; | | | | -------------> Mixed Mode (0 = Normal, 1 = Mixed) ; | | | ---------------> Video Mode (1 = Text, 0 = Graphics) ; | | -----------------> Page Number (1 = Page 1, 0 = Page 2) ; | -------------------> Resolution (1 = Low, 0 = High) ; ---------------------> Mixed Mode (1 = Normal, 0 = Mixed) ; ;****************************************************************************** Even ; Force byte to even address Video_Flag Db 0E1h ; Video flag byte (Graphics Mode) ;****************************************************************************** ; ; Define the Emulator system flag byte ; ; ----------------- ; |7|6|5|4|3|2|1|0| ; ----------------- ; | | | | | | | | ; | | | | | | | -------> System Request Interrupt has Occurred ; | | | | | | ---------> System Reset Interrupt has Occurred ; | | | | | -----------> ***** Reserved ***** (Dummy interrupt) ; | | | | -------------> ***** Reserved ***** (Dummy interrupt) ; | | | ---------------> ***** Reserved ***** (Dummy interrupt) ; | | -----------------> ***** Reserved ***** (Dummy interrupt) ; | -------------------> ***** Reserved ***** (Dummy interrupt) ; ---------------------> ***** Reserved ***** (Dummy interrupt) ; ;****************************************************************************** Even ; Force byte to even address Emulate_Flag Db 00h ; Emulator flag byte ;****************************************************************************** ; ; Define the interrupt vector save area ; ;****************************************************************************** Even ; Force dwords to even address Original_Int_8 Dd ? ; Original interrupt 8 (Timer) vector Original_Int_9 Dd ? ; Original interrupt 9 (Keyboard) vector ;****************************************************************************** ; ; Define all other needed data values ; ;****************************************************************************** Even ; Force byte to even address Current_Slot Db SLOT_MAX ; Current active expansion slot RAM_Space Dw (?) ; RAM space segment save area ALT_Space Dw (?) ; Alternate RAM space segment save area ;****************************************************************************** ; ; Define the end of the Apple Emulator Code Segment ; ;****************************************************************************** Emulate Ends End ; End of the data module