home *** CD-ROM | disk | FTP | other *** search
/ Sound, Music & MIDI Collection 2 / SMMVOL2.bin / DOS / SS_PLAY / FUNK106.ZIP / FUNK_S.ZIP / V24DEBUG.ASM < prev    next >
Encoding:
Assembly Source File  |  1995-05-01  |  3.3 KB  |  118 lines
  1. ;--------------------------------------------------------------------------
  2. ;--------------------------------------------------------------------------
  3. ;--------------------------------------------------------------------------
  4. ;--------------------------------------------------------------------------
  5. ;
  6. ;  DOS32 V2.4  routines for using V2.4 code with DOS32 v3.0.
  7. ;
  8. ;
  9. ;--------------------------------------------------------------------------
  10. ;--------------------------------------------------------------------------
  11. ;--------------------------------------------------------------------------
  12. .386
  13. .model flat, pascal
  14. .stack 8000h
  15. .code
  16.  
  17. IFDEF masm                                         ; Allow MASM assembly
  18. global  EQU  externdef
  19. ENDIF
  20.  
  21. INCLUDE     V24.INC                          ; Define all publics and externs
  22.  
  23. ;GetIRQVector    PROC Uses EAX EBX
  24. ;                and     bl,0fh
  25. ;                cmp     bl,8
  26. ;                jb  J2
  27. ;                add     bl,60h
  28. ;J2:             add     bl,8h
  29. ;                mov     ax,204h
  30. ;                int     31h
  31. ;                ret
  32. ;GetIRQVector    ENDP
  33. ;
  34. ;SetIRQVector    PROC Uses EAX EBX
  35. ;                and     bl,0fh
  36. ;                cmp     bl,8
  37. ;                jb  J1
  38. ;                add     bl,60h
  39. ;J1:             add     bl,8h
  40. ;                mov     ax,205h
  41. ;                int     31h
  42. ;                ret
  43. ;SetIRQVector    ENDP
  44. ;
  45. ;GetIntVector    PROC Uses EAX
  46. ;                mov     ax,204h
  47. ;                int     31h
  48. ;                ret
  49. ;GetIntVector    ENDP
  50. ;
  51. ;SetIntVector    PROC Uses EAX
  52. ;                mov     ax,205h
  53. ;                int     31h
  54. ;                ret
  55. ;SetIntVector    ENDP
  56.  
  57. AllocDMAregion PROC Uses EAX
  58.                 mov     ax,0EE41h
  59.                 int     31h
  60.                 ret
  61. AllocDMAregion ENDP
  62.  
  63. Allocate_Memory PROC
  64.                 mov     ax,0EE42h
  65.                 int     31h
  66.                 ret
  67. Allocate_Memory ENDP
  68.  
  69. align 4
  70. CODE32_sel              DW  ?           ; Selector
  71. DATA32_sel              DW  ?           ; Selector
  72. Zero_sel                DW  ?              ; Selector
  73. PIC1_Base               DB  8           ; IRQ 0..7
  74. PIC2_Base               DB  70h         ; IRQ 0..7
  75. Environment_segment     DW  ?           ; real mode segment
  76. Environment_addr        DD  ?          ; 32bit offset
  77. PSP_segment             DW  ?           ; real mode segment
  78. PSP_addr                DD  ?           ; 32bit offset
  79. _0b8000h                DD  0b8000h     ; 32bit offset
  80. _0a0000h                DD  0a0000h     ; 32bit offset
  81. CODE32_addr             DD  ?              ; 32bit offset
  82. Zero_Addr               DD  ?              ; 32bit offset
  83.  
  84.  
  85.  
  86.  
  87. _the_start:
  88.  
  89.         mov     ax,0EE00h
  90.         int     31h
  91.         mov     Zero_sel,bx
  92.         mov     CODE32_sel,cs
  93.         mov     DATA32_sel,ds
  94.  
  95.         mov     ax,0EE02h
  96.         int     31h
  97.  
  98.         mov     CODE32_addr,ebx
  99.         neg     ebx
  100.         mov     Zero_Addr,ebx
  101.         add     _0a0000h,ebx
  102.         add     _0b8000h,ebx
  103.  
  104.         mov     PSP_addr, esi
  105.         sub     esi,ebx
  106.         shr     esi,4
  107.         mov     PSP_segment,si
  108.  
  109.         mov    Environment_addr, edi
  110.         sub     edi,ebx
  111.         shr     edi,4
  112.         mov     Environment_segment,di
  113.  
  114.         jmp Start32
  115.  
  116.  
  117. END _the_start
  118.