mirror of https://github.com/nmlgc/ReC98.git
82 lines
1.3 KiB
NASM
82 lines
1.3 KiB
NASM
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; master library - (pf.lib)
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;
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; Description:
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; データ列の読み込み
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;
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; Functions/Procedures:
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; unsigned pfread(void far *buf,unsigned size,pf_t pf);
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;
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; Parameters:
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; buf 読み込み先
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; size 読み込むバイト数
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; pf pファイルハンドル
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;
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; Returns:
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; 読み込んだバイト数
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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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; MS-DOS
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;
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; Requiring Resources:
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; CPU: 186
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;
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; Notes:
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;
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;
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; Assembly Language Note:
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; (bufの下位)+sizeが10000hを越えてはならない。
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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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; iR
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; 恋塚昭彦
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;
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; Revision History:
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; PFREAD.ASM 679 94-09-17 23:19
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; 95/ 1/10 Initial: pfread.asm.asm/master.lib 0.23
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; 95/ 1/19 MODIFY: 内部1バイト読み込みルーチンをレジスタ渡しに変更
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func PFREAD ; pfread() {
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push BP
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mov BP,SP
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push SI
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push DI
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;arg buf:dword,siz:word,pf:word
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@@buf = (RETSIZE+3)*2
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@@siz = (RETSIZE+2)*2
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@@pf = (RETSIZE+1)*2
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CLD
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mov SI,[BP+@@siz]
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mov DI,[BP+@@buf]
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test SI,SI
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jz short @@_return
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@@_loop:
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mov ES,[BP+@@pf] ; PFILE構造体のセグメント
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call ES:[pf_getc]
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inc AH
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jz short @@_return
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mov ES,[BP+@@buf + 2]
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stosb
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dec SI
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jnz short @@_loop
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@@_return:
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mov AX,DI
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sub AX,[BP+@@buf]
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pop DI
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pop SI
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pop BP
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ret (4)*2
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endfunc ; }
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