Function 0Ch Write Dot - plot one graphics pixel
entry AH 0Ch
AL dot color code (0/1 in mode 6, 0-3 in modes 4 and 5)
(set bit 7 to XOR the dot with current color)
0-3 mode 04h, 05h
0-1 mode 06h
BH page number (ignored if adapter supports only one page)
CX column (X=0000h - 027Fh)
(0 - 319 in modes 4,5,13, 0 - 639 in modes 6,14,15,16)
DX row (Y=0000h - 00C7h) (0 - 199 CGA)
return none
note Video graphics modes 4-6 only
file: /Techref/int/10f/0c.htm, 0KB, , updated: 1999/4/26 11:11, local time: 2024/12/23 06:44,
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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