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[proj16/16.git]
/
16
/
xw_
/
mxwp.asm
1
PUBLIC MXWRITEPLANE
2
PUBLIC MXREADPLANE
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MX_TEXT SEGMENT PARA PUBLIC USE16 'CODE'
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ASSUME CS:MX_TEXT, DS:DGROUP, SS:DGROUP
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MXWRITEPLANE:
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push bp
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mov bp,sp
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sub sp,0
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mov ah,byte ptr 6[bp]
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and ah,0fH
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mov al,2
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mov dx,3c4H
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out dx,ax
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mov sp,bp
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pop bp
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retf 2
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MXREADPLANE:
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push bp
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mov bp,sp
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sub sp,0
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mov al,4
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mov ah,byte ptr 6[bp]
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and ah,3
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mov dx,3ceH
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out dx,ax
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mov sp,bp
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pop bp
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retf 2
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MX_TEXT ENDS
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END