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Portable Network Graphic  |  1997-07-26  |  109KB  |  816x1056  |  16-bit (476 colors)
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OCR: Sat, Feb (ig) thaw 16 pixels acr@saddig liontotolathetaddressnttchatimene Thegdrawreolour 15ge has been supplied to the routine apd one line on, and wind back 16 pixels draw 16 pixels across (adding one to the address each time) The colour has been supplied to the routine And that's You may ask why have done like this as opposed to an outer loop The main reason was to save 68k registers. However, if there was any more than lines, would have saved one and used if for the loop counter. The XV to _addr Routine This simple routine multiplies by the number of bytes on a row and then sppe onto the total. The base of the virtual screen then added onto this number This gives the (on this 8bit environment) of the pixel The process frame Routine This appears to be quite a complex routine. so I will ...