Subject: [stella] why -68? From: ben <ben@xxxxxxxx> Date: Wed, 07 Nov 2001 01:40:41 +1100 |
z26 is awesome btw :) Thanks John Anyways, I have a question regarding its cycle output. Why does the TIA clock start at -68 and occupy 236 clocks (-68 to 157)? isnt it supposed to be 228? ( 0 2 0 -68) ( 97 97 96 96 96) nvbdIzc 00 60 00 fd f5c2: d0 fb bne f5bf .... ( 0 2 75 157) ( 97 97 96 96 96) nvbdIzc 00 68 00 fd f5bf: e8 inx .... etc .... Does this mean that the TIA clock is different to the 6502? I am using 3584160/3 Hz (228*262*60/3) for the CPU, which gives 76 cycles per scanline. What should the TIA clock be? (236*262*60) 3709920Hz? cheers Ben ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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