RSS Bot Posted August 19, 2016 Share Posted August 19, 2016 I spent all the day if I can use all screen modes on Colecovision Modes 1 and 2 are easy. But I can't get screen o and 3. Mode 0: Reg/Bit 7 6 5 4 3 2 1 0 0 - - - - - - M2 EXTVID 1 4/16K BL IE M1 M3 - SI MAG 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 vdp_out(0,0); vdp_out(0,0xA0); I disabled BL because screen 0 has no sprites anyway. This code doesn't work Mode 3 Reg/Bit 7 6 5 4 3 2 1 0 0 - - - - - - M2 EXTVID 1 4/16K BL IE M1 M3 - SI MAG 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 vdp_out(0,0); vdp_out(0,0xE8); This code doesn't work either I expect the letters in mode 0 would be smaller And mode 3, sprites would be look with big pixels. I will stick with mode 2 since, the characters are big enough and the sprites are just fine. http://atariage.com/forums/blog/56/entry-13236-exploring-colecovision-screen-modes/ Link to comment Share on other sites More sharing options...
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