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- ;---------------------------------------------------------------
- ; EAT2.ASM
- ; Backhanded advertising program, with procedures
- ;
- ; by Jeff Duntemann
- ; MASM/TASM
- ; Last update 12/27/89
- ;---------------------------------------------------------------
-
- ;----------------------------|
- ; BEGIN STACK SEGMENT |
- ;----------------------------|
- MyStack SEGMENT STACK ; STACK word ensures loading of SS by DOS
-
- DB 64 DUP ('STACK!!!') ; This reserves 512 bytes for the stack
-
- MyStack ENDS
- ;----------------------------|
- ; END STACK SEGMENT |
- ;----------------------------|
-
-
- ;----------------------------|
- ; BEGIN DATA SEGMENT |
- ;----------------------------|
- MyData SEGMENT
-
- Eat1 DB "Eat at Joe's...",'$'
- Eat2 DB "...ten million flies can't ALL be wrong!",'$'
- CRLF DB 0DH,0AH,'$'
-
- MyData ENDS
- ;----------------------------|
- ; END DATA SEGMENT |
- ;----------------------------|
-
- ;----------------------------|
- ; BEGIN CODE SEGMENT |
- ;----------------------------|
- MyCode SEGMENT
-
- assume CS:MyCode,DS:MyData
- Main PROC
-
- Start: ; This is where program execution begins:
- mov AX,MyData ; Set up our own data segment address in DS
- mov DS,AX ; Can't load segment reg. directly from memory
-
- lea DX,Eat1 ; Load offset of Eat1 string into DX
- call Writeln ; and display it
- lea DX,Eat2 ; Load offset of Ear2 string into DX
- call Writeln ; and display it
-
- mov AH,4CH ; Terminate process DOS service
- mov AL,0 ; Pass this value back to ERRORLEVEL
- int 21H ; Control returns to DOS
-
- ;----------------------------------------|
- ; PROCEDURE SECTION |
- ;----------------------------------------|
-
- Write PROC
- mov AH,09H ; Select DOS service 9: Print String
- int 21H ; Call DOS
- ret ; Return to the caller
- Write ENDP
-
-
- Writeln PROC
- call Write ; Display the string proper through Write
- mov DX,OFFSET CRLF ; Load address of newline string to DS:DX
- call Write ; Display the newline string through Write
- ret ; Return to the caller
- Writeln ENDP
-
- ;----------------------------------------|
- ; END PROCEDURE SECTION |
- ;----------------------------------------|
-
- Main ENDP
-
- MyCode ENDS
-
- ;----------------------------|
- ; END CODE SEGMENT |
- ;----------------------------|
-
- END Start ; The procedure named Start becomes the main program