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PIXEL_ON.ASM
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Assembly Source File
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1986-09-14
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640b
|
18 lines
;edit: rda 12/83
;
;this list defines an 8x8 character with
;all pixels turned "on." See BIOS listing
;in Tech Reference for other character definitions.
;
BLANK_DATA DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
;
INIT PROC NEAR ; set up an ASCII character 128
LEA DX,BLANK_DATA ;all pixels on will be ASCII 128
MOV AL,1FH ;address of our ascii chars
;goes into vector 1fh
MOV AH,25H ;dos fcn call: set interrupt vector
INT 21H ;dos fcn call
RET ;note that this must be done
;before nr_print!
INIT ENDP