Commit Graph

14 Commits

Author SHA1 Message Date
saxxonpike c64951fce8 commodore64: implement motherboard configuration, add sprite-sprite and sprite-data collision interrupts to VIC 2012-12-05 21:07:51 +00:00
saxxonpike e60f308af0 commodore64: savestate support for all chips + cartridge 2012-12-03 08:38:12 +00:00
saxxonpike 0191b1e507 commodore64: slightly better sound sampling routine for non-sync provider, placeholder until I can get the resampler to work 2012-12-03 06:47:14 +00:00
saxxonpike be37d1dc53 commodore64: crop screen, fix sound pulsewidth register writing (it was being processed as 16 bits instead of 12) 2012-12-03 06:08:12 +00:00
saxxonpike 5fcf41ebbc commodore64: add sprites (no collision or priority yet) 2012-12-02 23:57:10 +00:00
saxxonpike 0907de61cc commodore64: fixed sprite DMA delay timing, should make very time-sensitive intros run better and some games as well 2012-12-02 22:15:08 +00:00
saxxonpike 1eca7805cf commodore64: add cartridge mapper 0012 (Zaxxon, Super Zaxxon), fix mapper 0000 to support 4k roms 2012-11-29 16:33:04 +00:00
saxxonpike 1e6fdc2659 commodore64: VIC reads from proper bank, increased performance 2012-11-29 02:46:35 +00:00
saxxonpike 27217f119d commodore64: adjusted BA timing for PAL (it was taking one cycle too many), makes a lot of timing-sensitive games and demos run better 2012-11-28 21:09:45 +00:00
saxxonpike 798c355c7e commodore64: add 4 pixel background data delay, a quick hack until I can understand what's really happening 2012-11-28 19:35:48 +00:00
saxxonpike 8e55810161 commodore64: more video function implemented in the new system, 12 pixel delay also applied to border 2012-11-28 06:21:52 +00:00
saxxonpike 49a847d8bc commodore64: VIC timing fix, implemented new cartridge I/O which handles writes into ROM addresses (apparently some carts use this) 2012-11-28 03:30:59 +00:00
saxxonpike 178e1a4518 commodore64: fill in fetch code 2012-11-27 06:21:46 +00:00
saxxonpike 95d228f413 commodore64: new core with focus on low-level comm between chips and activity on both phases of the clock 2012-11-27 05:11:40 +00:00