mirror of https://github.com/nmlgc/ReC98.git
[Reduction] #142: dos_read
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nmlgc
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4bcebcd875
commit
a756bab3cc
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@ -0,0 +1,59 @@
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; master library module
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;
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; Description:
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; ファイルの読み込み
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;
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; Functions/Procedures:
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; int dos_read( int fh, void far * buffer, unsigned len ) ;
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;
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; Parameters:
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;
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;
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; Returns:
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; int AccessDenied (cy=1) 失敗,読み込み禁止
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; InvalidHandle(cy=1) 失敗,ファイルハンドルが無効
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; else (cy=0) 成功,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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; PC-9801
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;
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; Requiring Resources:
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; CPU: 8086
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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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; 恋塚(恋塚昭彦)
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;
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; Revision History:
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; 93/ 3/17 Initial: master.lib
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;
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func DOS_READ
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push BP
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mov BP,SP
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@@fh = (RETSIZE+4)*2
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@@buf = (RETSIZE+2)*2
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@@len = (RETSIZE+1)*2
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push DS
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mov BX,[BP+@@fh]
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lds DX,[BP+@@buf]
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mov CX,[BP+@@len]
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mov AH,3fh
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int 21h
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pop DS
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jnc short @@SUCCESS
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neg AX ; cy=1
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@@SUCCESS:
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pop BP
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ret 8
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endfunc
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@ -865,36 +865,7 @@ sub_85E proc far
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retf
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sub_85E endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_864 proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_87A
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neg ax
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loc_87A:
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pop bp
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retf 8
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sub_864 endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -6930,9 +6901,7 @@ loc_389E:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_864
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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@ -783,36 +783,7 @@ sub_7EA proc far
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retf
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sub_7EA endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_7F0 proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_806
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neg ax
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loc_806:
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pop bp
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retf 8
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sub_7F0 endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -4055,9 +4026,7 @@ loc_2EBA:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_7F0
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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37
th04_op.asm
37
th04_op.asm
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@ -769,38 +769,7 @@ loc_7DB:
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retf 4
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sub_7B8 endp
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; ---------------------------------------------------------------------------
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nop
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_7E2 proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_7F8
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neg ax
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loc_7F8:
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pop bp
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retf 8
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sub_7E2 endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -4901,9 +4870,7 @@ loc_3658:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_7E2
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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@ -770,36 +770,7 @@ sub_7EC proc far
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retf
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sub_7EC endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_7F2 proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_808
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neg ax
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loc_808:
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pop bp
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retf 8
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sub_7F2 endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -6779,9 +6750,7 @@ loc_3838:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_7F2
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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@ -757,36 +757,7 @@ sub_7C8 proc far
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retf
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sub_7C8 endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_7CE proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_7E4
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neg ax
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loc_7E4:
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pop bp
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retf 8
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sub_7CE endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -4466,9 +4437,7 @@ loc_3040:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_7CE
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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37
th05_op.asm
37
th05_op.asm
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@ -749,38 +749,7 @@ loc_7B9:
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retf 4
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sub_796 endp
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; ---------------------------------------------------------------------------
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nop
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_7C0 proc far
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arg_0 = word ptr 6
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arg_2 = dword ptr 8
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arg_6 = word ptr 0Ch
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push bp
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mov bp, sp
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push ds
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mov bx, [bp+arg_6]
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lds dx, [bp+arg_2]
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mov cx, [bp+arg_0]
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mov ah, 3Fh
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int 21h ; DOS - 2+ - READ FROM FILE WITH HANDLE
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; BX = file handle, CX = number of bytes to read
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; DS:DX -> buffer
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pop ds
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jnb short loc_7D6
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neg ax
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loc_7D6:
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pop bp
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retf 8
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sub_7C0 endp
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include libs/master.lib/dos_read.asm
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include libs/master.lib/dos_seek.asm
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; =============== S U B R O U T I N E =======================================
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@ -3984,9 +3953,7 @@ loc_2E78:
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push ax
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push cx
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push di
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nop
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push cs
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call near ptr sub_7C0
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nopcall dos_read
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mov es, [bp+var_2]
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mov bx, ax
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mov byte ptr es:[bx], 0FFh
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