User talk:NovaSquirrel/Nova-7: Difference between revisions
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Where do the 512-byte banks get the extra bits to specify a full address in CHR? They need an extra bit from somewhere (maybe they're fixed at fixed at 0 or 1 or A9 ?) —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 15:06, 14 October 2015 (MDT) | Where do the 512-byte banks get the extra bits to specify a full address in CHR? They need an extra bit from somewhere (maybe they're fixed at fixed at 0 or 1 or A9 ?) —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 15:06, 14 October 2015 (MDT) | ||
The 512-byte banks would be limited to the first 128 KB. The mapper is really intended to be used with a 32 KB or 128 KB SRAM for CHR, and 128 KB is already a crazy amount of CHR RAM so I think this limit is okay. --[[User:NovaSquirrel|NovaSquirrel]] ([[User talk:NovaSquirrel|talk]]) 16:31, 14 October 2015 (MDT) | |||
Latest revision as of 22:31, 14 October 2015
CHR banking
Where do the 512-byte banks get the extra bits to specify a full address in CHR? They need an extra bit from somewhere (maybe they're fixed at fixed at 0 or 1 or A9 ?) —Lidnariq (talk) 15:06, 14 October 2015 (MDT)
The 512-byte banks would be limited to the first 128 KB. The mapper is really intended to be used with a 32 KB or 128 KB SRAM for CHR, and 128 KB is already a crazy amount of CHR RAM so I think this limit is okay. --NovaSquirrel (talk) 16:31, 14 October 2015 (MDT)
