mirror of https://github.com/nmlgc/ReC98.git
182 lines
2.2 KiB
NASM
182 lines
2.2 KiB
NASM
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; superimpose & master library module
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;
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; Description:
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; パターン表示 [横8dot単位]
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;
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; Functions/Procedures:
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; void super_put_8( int x, int y, int num ) ;
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;
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; Parameters:
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; x,y 座標
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; num パターン番号
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;
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; Returns:
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; none
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;
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; Binding Target:
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; Microsoft-C / Turbo-C / Turbo Pascal
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;
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; Running Target:
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; PC-9801V
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;
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; Requiring Resources:
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; CPU: V30
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; GRCG
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;
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; Notes:
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;
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;
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; Compiler/Assembler:
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; TASM 3.0
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; OPTASM 1.6
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;
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; Author:
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; Kazumi(奥田 仁)
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; 恋塚(恋塚昭彦)
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;
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; Revision History:
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;
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;$Id: superpt8.asm 0.07 92/05/29 20:37:21 Kazumi Rel $
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;
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; 93/ 3/20 Initial: master.lib <- super.lib 0.22b
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; 93/ 5/ 4 [M0.16]
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;
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func SUPER_PUT_8
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push BP
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mov BP,SP
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push DS
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push SI
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push DI
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@@x = (RETSIZE+3)*2
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@@y = (RETSIZE+2)*2
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@@num = (RETSIZE+1)*2
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mov CX,[BP+@@x]
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mov AX,[BP+@@y]
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mov BX,[BP+@@num]
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mov BP,AX ;-+
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shl AX,2 ; |
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add BP,AX ; |DI=y*80
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shl BP,4 ;-+
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shr CX,3 ;CX=x/8
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add BP,CX ;GVRAM offset address
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shl BX,1 ;integer size & near pointer
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mov AX,super_patsize[BX] ;pattern size (1-8)
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xor SI,SI
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mov DS,super_patdata[BX] ;BX+2 -> BX
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mov BL,AH
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xor BH,BH
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mov DX,80
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sub DL,AH
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mov AH,AL
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mov CX,0a800h
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mov ES,CX
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mov AL,0c0h ;RMW mode
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out 7ch,AL
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mov AL,0
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out 7eh,AL
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out 7eh,AL
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out 7eh,AL
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out 7eh,AL
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call SUPERPT8_DISP ;cls
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mov AL,11001110b
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out 7ch,AL ;RMW mode
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mov AL,0ffh
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out 7eh,AL
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out 7eh,AL
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out 7eh,AL
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out 7eh,AL
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call SUPERPT8_DISP
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mov AL,11001101b
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out 7ch,AL ;RMW mode
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call SUPERPT8_DISP
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mov AL,11001011b
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out 7ch,AL ;RMW mode
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call SUPERPT8_DISP
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mov AL,11000111b
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out 7ch,AL ;RMW mode
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call SUPERPT8_DISP
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xor AL,AL
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out 7ch,AL ;grcg off
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pop DI
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pop SI
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pop DS
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pop BP
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ret 6
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endfunc
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;
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; 表示サブルーチン
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;
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SUPERPT8_DISP proc near
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mov DI,BP
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mov AL,AH
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test DI,1
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jnz short @@ODD_ADDRESS
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shr BX,1
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jb short @@EAOS
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EVEN
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@@EAES:
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mov CX,BX
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rep movsw
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add DI,DX
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dec AL
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jnz short @@EAES
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shl BX,1
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ret
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EVEN
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@@EAOS:
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mov CX,BX
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rep movsw
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movsb
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add DI,DX
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dec AL
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jnz short @@EAOS
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stc
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rcl BX,1
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ret
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EVEN
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@@ODD_ADDRESS:
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shr BX,1
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jb short @@OAOS
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EVEN
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@@OAES:
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mov CX,BX
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dec CX
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movsb
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rep movsw
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movsb
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add DI,DX
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dec AL
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jnz short @@OAES
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shl BX,1
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ret
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EVEN
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@@OAOS:
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mov CX,BX
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movsb
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rep movsw
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add DI,DX
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dec AL
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jnz short @@OAOS
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stc
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rcl BX,1
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ret
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SUPERPT8_DISP endp
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