mirror of https://github.com/nmlgc/ReC98.git
25 lines
603 B
NASM
25 lines
603 B
NASM
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public CFG_LOAD_RESIDENT
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cfg_load_resident proc near
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mov ax, 3D00h
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mov dx, offset _CFG_FN
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int 21h ; DOS - 2+ - OPEN DISK FILE WITH HANDLE
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; DS:DX -> ASCIZ filename
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; AL = access mode
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; 0 - read
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mov bx, ax
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mov ah, 3Fh
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mov dx, offset _cfg
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mov cx, size cfg_t
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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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mov ah, 3Eh
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int 21h ; DOS - 2+ - CLOSE A FILE WITH HANDLE
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; BX = file handle
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mov ax, _cfg.resident_sgm
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mov word ptr _resident+2, ax
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mov word ptr _resident, 0
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retn
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cfg_load_resident endp
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nop
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