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FM Towns: Free Software Collection 4
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FM Towns Free Software Collection 4 - Disc 1.iso
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data
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magsrex
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pixel.asm
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Assembly Source File
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1991-10-18
|
1KB
|
90 lines
;
; 'Mags.rex' for FM-TOWNS
;
; - MAKIchan Graphic loader is not 鮪だ! -
;
; programmed by MALOR
;
.386p
HeaderSize equ 32/4
Plane2 equ 0104h
Plane1 equ 010ch
CODE segment dword public use32 'CODE'
assume cs:CODE,ds:DATA
;void start(void)
public start
start proc near
call save
ret
start endp
;int inpb(int addr)
public inpb
db 'inpb',4
inpb proc near
xor eax,eax
mov dx,[esp+4]
in al,dx
ret
inpb endp
;void outpb(int addr,int dat)
public outpb
db 'outpb',5
outpb proc near
mov dx,[esp+4]
mov al,[esp+8]
out dx,al
ret
outpb endp
;int getpix(int seg,int ofs)
public getpix
db 'getpix',6
getpix proc near
mov ax,ss:[esp+4]
mov fs,ax
mov edx,ss:[esp+8]
movzx eax,word ptr fs:[edx]
ret
getpix endp
CODE ends
DATA segment dword
assume ds:DATA
align 4
;前方参照オフセットアドレステーブル
Mofs dd -(512*0+0),-(512*0+2),-(512*0+4),-(512*0+8)
dd -(512*1+0),-(512*1+2)
dd -(512*2+0),-(512*2+2),-(512*2+4)
dd -(512*4+0),-(512*4+2),-(512*4+4)
dd -(512*8+0),-(512*8+2),-(512*8+4)
dd -(512*16+0)
;1ライン分のオフセット
Lineofs dd 512
DATA ends
extrn save:near
public Lineofs
public Mofs
end start