joy.asm

linux下的任天堂模拟器代码。供大家参考。

.noright
   mov eax,[JoyY]
   cmp eax,[JoyMinY209]
   jae .noup
   mov byte[pressed+14Ch],1
.noup
   mov eax,[JoyY]
   cmp eax,[JoyMaxY209]
   jbe .nodown
   mov byte[pressed+14Dh],1
.nodown
.no1joyst
.noanalog
   test byte[JoyAltrn],1
   jne near .joynotexist
   mov dword[pressed+102h],0     ; B1-4
   cmp byte[JoyQuant209],0
   je .joynotexist
   ; Set buttons 1-4
   mov dx, 0209h
   xor al,al
   out dx, al
   in al, dx
   not al
   test al,10h
   jz .nob1
   mov byte[pressed+102h],1
.nob1
   test al,20h
   jz .nob2
   mov byte[pressed+103h],1
.nob2
   cmp byte[JoyBQuant209],2
   je .joynotexist
   test al,40h
   jz .nob3
   mov byte[pressed+104h],1
.nob3
   test al,80h
   jz .nob4
   mov byte[pressed+105h],1
.nob4
.joynotexist
   ret

NEWSYM DOSJoyRead
   push edx
   push ebx
   push ecx

   inc byte[JoyAltrn]
   and byte[JoyAltrn],3

   cmp byte[JoyAltrn],0
   jne near .noanalog

   ; Clear Joystick buttons and movements
   mov word[pressed+86h],0      ; B5-6
   mov word[pressed+80h],0      ; B7-8
   mov dword[pressed+0CCh],0    ; Up,Down,Left,Right, pl1
   mov dword[pressed+0E8h],0    ; Up,Down,Left,Right, pl2

   ; Process Joystick(s)
   cmp byte[JoyQuant],2
   jne near .no2joyst
   mov dx,201h
   call GetCoords3

   ; Set button 5-6 + 2player Control
   cmp byte[Buttons6],0
   jne near .6button
   mov eax,[JoyX2]
   cmp eax,[JoyMinX2]
   jae .noleft2
   mov byte[pressed+0EAh],1
.noleft2
   mov eax,[JoyX2]
   cmp eax,[JoyMaxX2]
   jbe .noright2
   mov byte[pressed+0EBh],1
.noright2
   mov eax,[JoyY2]
   cmp eax,[JoyMinY2]
   jae .noup2
   mov byte[pressed+0E8h],1
.noup2
   mov eax,[JoyY2]
   cmp eax,[JoyMaxY2]
   jbe .nodown2
   mov byte[pressed+0E9h],1
.nodown2
   jmp .1pcoord
.6button
   mov eax,[JoyY2]
   cmp eax,[JoyMinY2]
   jae .nob5
   mov byte[pressed+086h],1
.nob5
   mov eax,[JoyX2]
   cmp eax,[JoyMinX2]
   jae .nob6
   mov byte[pressed+087h],1
.nob6
   cmp byte[Buttons6],2
   jne .no8b
   mov eax,[JoyY2]
   cmp eax,[JoyMaxY2]
   jbe .nob7
   mov byte[pressed+80h],1
.nob7
   mov eax,[JoyX2]
   cmp eax,[JoyMaxX2]
   jbe .nob8
   mov byte[pressed+81h],1
.nob8
.no8b
   jmp .1pcoord
.no2joyst

   ; Set 1 player control
   cmp byte[JoyQuant],1
   jne near .no1joyst
   mov dx,201h
   call GetCoords
.1pcoord
   mov eax,[JoyX]
   cmp eax,[JoyMinX]
   jae .noleft
   mov byte[pressed+0CEh],1
.noleft
   mov eax,[JoyX]
   cmp eax,[JoyMaxX]
   jbe .noright
   mov byte[pressed+0CFh],1
.noright
   mov eax,[JoyY]
   cmp eax,[JoyMinY]
   jae .noup
   mov byte[pressed+0CCh],1
.noup
   mov eax,[JoyY]
   cmp eax,[JoyMaxY]
   jbe .nodown
   mov byte[pressed+0CDh],1
.nodown
.no1joyst
.noanalog
   test byte[JoyAltrn],1
   jz .joynotexist
   mov dword[pressed+82h],0     ; B1-4
   cmp byte[JoyQuant],0
   je .joynotexist
   ; Set buttons 1-4
   mov dx, 0201h
   xor al,al
   out dx, al
   in al, dx
   not al
   test al,10h
   jz .nob1
   mov byte[pressed+82h],1
.nob1
   test al,20h
   jz .nob2
   mov byte[pressed+83h],1
.nob2
   cmp byte[JoyBQuant],2
   je .joynotexist
   test al,40h
   jz .nob3
   mov byte[pressed+84h],1
.nob3
   test al,80h
   jz .nob4
   mov byte[pressed+85h],1
.nob4
.joynotexist
   ; Process Joystick Buttons
   cmp byte[JoyQuant209],0
   je .no209
   call JoyRead209
.no209
   test byte[JoyAltrn],1
   jz near .noport4
   cmp byte[NumSWs],0
   je .nosw
   call SideWinder
.nosw
   cmp byte[NumSWs209],0
   je .nosw209
   call SideWinder209
.nosw209
   test byte[JoyAltrn],2
   jz .nogrip209
   cmp byte[NumGRiPs],0
   je .nogrip
   call GamePadPro
.nogrip
   cmp byte[NumGRiPs209],0
   je .nogrip209
   call GamePadPro209
.nogrip209
   test byte[PPad],1
   jz .noport1
   call GetParallelPlayer1
.noport1
   test byte[PPad],2
   jz .noport2
   call GetParallelPlayer2
.noport2
   test byte[PPad],4
   jz .noport3
   call GetParallelPlayer3
.noport3
   test byte[PPad],8
   jz .noport4
   call GetParallelPlayer4
.noport4
   test byte[PPad],16
   jz .noport5
   call GetParallelPlayer5
.noport5
   cmp byte[JoyAltrn],0
   je .nogpp2209
   cmp byte[NumGRiPs],2
   jne .nogpp2
   call GamePadPro2
.nogpp2
   cmp byte[NumGRiPs209],2
   jne .nogpp2209
   call GamePadPro2209
.nogpp2209
   pop ecx
   pop ebx
   pop edx
   ret

;bit 1 - left,2 - right,3 - down,4 - up,5 - r1,6 - l1,7 - red,8 - yellow
;    9 - green,10 - l2,11 - blue,12 - r2,13 - start,14 - select

%macro GPProHelp 2
   test eax,%1
   jz %%nope
   mov byte[pressed+ebx+%2],1
%%nope
%endmacro

;A8=buttons, CA=select/start, F0=movement (inc by 4)
GamePadPro:
   mov al,0
   mov dx,201h
   call read_gpp
   cmp eax,1
   je near .error
   xor ebx,ebx
   mov byte[pressed+ebx+0F0h],0
   mov byte[pressed+ebx+0F1h],0
   mov byte[pressed+ebx+0F2h],0
   mov byte[pressed+ebx+0F3h],0
   mov byte[pressed+ebx+0A8h],0
   mov byte[pressed+ebx+0A9h],0
   mov byte[pressed+ebx+0AAh],0
   mov byte[pressed+ebx+0ABh],0
   mov byte[pressed+ebx+0ACh],0
   mov byte[pressed+ebx+0ADh],0
   mov byte[pressed+ebx+0AEh],0
   mov byte[pressed+ebx+0AFh],0
   mov byte[pressed+ebx+0CAh],0
   mov byte[pressed+ebx+0CBh],0
   GPProHelp 0002h,0F2h ; left
   GPProHelp 0004h,0F3h ; right
   GPProHelp 0008h,0F1h ; down
   GPProHelp 0010h,0F0h ; up
   GPProHelp 0020h,0AEh ; r1
   GPProHelp 0040h,0ACh ; l1
   GPProHelp 0080h,0A8h ; red
   GPProHelp 0100h,0AAh ; yellow
   GPProHelp 0200h,0ABh ; green
   GPProHelp 0400h,0ADh ; l2
   GPProHelp 0800h,0A9h ; blue
   GPProHelp 1000h,0AFh ; r2
   GPProHelp 2000h,0CBh ; start
   GPProHelp 4000h,0CAh ; select
.error
   ret

GamePadPro2:
   mov al,1
   mov dx,201h
   call read_gpp
   cmp eax,1
   je near .error
   mov ebx,4
   mov byte[pressed+ebx+0F0h],0
   mov byte[pressed+ebx+0F1h],0
   mov byte[pressed+ebx+0F2h],0
   mov byte[pressed+ebx+0F3h],0
   mov ebx,8
   mov byte[pressed+ebx+0A8h],0
   mov byte[pressed+ebx+0A9h],0
   mov byte[pressed+ebx+0AAh],0
   mov byte[pressed+ebx+0ABh],0
   mov byte[pressed+ebx+0ACh],0
   mov byte[pressed+ebx+0ADh],0
   mov byte[pressed+ebx+0AEh],0
   mov byte[pressed+ebx+0AFh],0
   mov byte[pressed+ebx+0CAh],0
   mov byte[pressed+ebx+0CBh],0
   mov ebx,4
   GPProHelp 0002h,0F2h ; left
   GPProHelp 0004h,0F3h ; right
   GPProHelp 0008h,0F1h ; down
   GPProHelp 0010h,0F0h ; up
   mov ebx,8
   GPProHelp 0020h,0AEh ; r1
   GPProHelp 0040h,0ACh ; l1
   GPProHelp 0080h,0A8h ; red
   GPProHelp 0100h,0AAh ; yellow
   GPProHelp 0200h,0ABh ; green
   GPProHelp 0400h,0ADh ; l2
   GPProHelp 0800h,0A9h ; blue
   GPProHelp 1000h,0AFh ; r2
   GPProHelp 2000h,0CBh ; start
   GPProHelp 4000h,0CAh ; select
.error
   ret

SideWinder:
  mov al,[NumSWs]
  mov [_SWCount],al
  mov dx,201h
  call _readSideWinder
  ;bit 0=error 1=up 2=dn 3=rt 4=lt 5=A 6=B 7=C 8=X 9=Y 10=Z 11=L 12=R 13=St 14=M
  ;k....L=L, R=R, start=start, M=select, X=y, Y=x, B=a, A=b
  ;sidewinder=snes
.loop
  mov eax,[_SW1]
  xor ebx,ebx
  cmp byte[WhichSW],2
  jne .noSW2
  mov eax,[_SW2]
  mov ebx,08h
.noSW2
  cmp byte[WhichSW],3
  jne .noSW3
  mov eax,[_SW3]
  mov ebx,10h
.noSW3
  cmp byte[WhichSW],4
  jne .noSW4
  mov eax,[_SW4]
  mov ebx,18h
.noSW4
  inc byte[WhichSW]
  mov byte[pressed+ebx+0D4h],0
  mov byte[pressed+ebx+0D5h],0
  mov byte[pressed+ebx+0D6h],0
  mov byte[pressed+ebx+0D7h],0
  mov byte[pressed+ebx+088h],0
  mov byte[pressed+ebx+089h],0
  mov byte[pressed+ebx+08Ah],0
  mov byte[pressed+ebx+08Bh],0
  mov byte[pressed+ebx+08Ch],0
  mov byte[pressed+ebx+08Dh],0
  mov byte[pressed+ebx+08Eh],0
  mov byte[pressed+ebx+08Fh],0
  mov byte[pressed+ebx+0C8h],0
  mov byte[pressed+ebx+0C9h],0
  test ax,02h   ; up
  jz .noup
  mov byte[pressed+ebx+0D4h],1
.noup
  test ax,04h   ; down
  jz .nodown
  mov byte[pressed+ebx+0D5h],1
.nodown
  test ax,08h   ; right
  jz .noright
  mov byte[pressed+ebx+0D7h],1
.noright
  test ax,10h   ; left
  jz .noleft
  mov byte[pressed+ebx+0D6h],1
.noleft
  test ax,20h   ; A
  jz .noa
  mov byte[pressed+ebx+088h],1
.noa
  test ax,40h   ; B
  jz .nob
  mov byte[pressed+ebx+089h],1
.nob
  test ax,80h  ; C
  jz .noc
  mov byte[pressed+ebx+08Ah],1
.noc
  test ax,100h  ; X
  jz .nox
  mov byte[pressed+ebx+08Bh],1
.nox
  test ax,200h  ; Y
  jz .noy
  mov byte[pressed+ebx+08Ch],1
.noy
  test ax,400h ; Z
  jz .noz
  mov byte[pressed+ebx+08Dh],1
.noz
  test ax,800h ; L
  jz .nol
  mov byte[pressed+ebx+08Eh],1
.nol
  test ax,1000h ; R
  jz .nor
  mov byte[pressed+ebx+08Fh],1
.nor
  test ax,2000h ; start
  jz .nostart
  mov byte[pressed+ebx+0C8h],1
.nostart
  test ax,4000h ; M
  jz .noselect
  mov byte[pressed+ebx+0C9h],1
.noselect
  mov al,[WhichSW]
  cmp al,[NumSWs]
  jbe near .loop
  ret                         ;return to calling procedure

;A8=buttons, CA=select/start, F0=movement (inc by 4)
GamePadPro209:
   mov al,0
   mov dx,209h
   call read_gpp
   cmp eax,1
   je near .error
   xor ebx,ebx
   mov byte[pressed+ebx+170h],0
   mov byte[pressed+ebx+171h],0
   mov byte[pressed+ebx+172h],0
   mov byte[pressed+ebx+173h],0
   mov byte[pressed+ebx+128h],0
   mov byte[pressed+ebx+129h],0
   mov byte[pressed+ebx+12Ah],0
   mov byte[pressed+ebx+12Bh],0
   mov byte[pressed+ebx+12Ch],0
   mov byte[pressed+ebx+12Dh],0
   mov byte[pressed+ebx+12Eh],0
   mov byte[pressed+ebx+12Fh],0
   mov byte[pressed+ebx+14Ah],0
   mov byte[pressed+ebx+14Bh],0
   GPProHelp 0002h,1F2h ; left
   GPProHelp 0004h,1F3h ; right
   GPProHelp 0008h,1F1h ; down
   GPProHelp 0010h,1F0h ; up
   GPProHelp 0020h,1AEh ; r1
   GPProHelp 0040h,1ACh ; l1
   GPProHelp 0080h,1A8h ; red
   GPProHelp 0100h,1AAh ; yellow
   GPProHelp 0200h,1ABh ; green
   GPProHelp 0400h,1ADh ; l2
   GPProHelp 0800h,1A9h ; blue
   GPProHelp 1000h,1AFh ; r2
   GPProHelp 2000h,1CBh ; start
   GPProHelp 4000h,1CAh ; select
.error
   ret

GamePadPro2209:
   mov al,1
   mov dx,209h
   call read_gpp
   cmp eax,1