 Nathaniel Walizer
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ae22606f81
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ARM/STM32 Compatability improvements
- Rename DEBUG to NESE_DEBUG
- Split out allocators for internal RAM
- SDL flushing (GPU compat)
- Porting notes
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9 months ago |
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Nathaniel Walizer
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34a0628fe0
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Add Mapper 4 (MMC3); rearrange hsync timing
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9 months ago |
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Nathaniel Walizer
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14258fca4e
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Fix palette indexing bug
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9 months ago |
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Nathaniel Walizer
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9aee1f1d2e
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Add input support; fix cycle counts; implement frame timing
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9 months ago |
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Nathaniel Walizer
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0239f9773f
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Add OAM DMA; More sprite rendering preparation
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9 months ago |
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Nathaniel Walizer
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3b30f39a5b
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Add PPU background rendering; bugfixes
- Fix palette reference
- Fix live tracing memory addressing
- Fix ROL bug
- Fix indirect X/Y addressing decode
- Fix nametable mirroring
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9 months ago |
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Nathaniel Walizer
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0370da8538
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PPU rendering stub; interrupt and memory bugfixes
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9 months ago |
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Nathaniel Walizer
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eec711f630
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Fix ROM read addr mask; Fix interrupt logic; add VBlank NMI
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9 months ago |
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Nathaniel Walizer
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6418936630
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Add sprite 0 hit logic
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9 months ago |
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Nathaniel Walizer
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c44a0a8b74
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Add PPU register R/W
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9 months ago |
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Nathaniel Walizer
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399fa35fa7
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Add input and PPU stage stubs
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9 months ago |
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Nathaniel Walizer
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bc911c49d5
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Add main emulator loop, mapper 0, cart loading, and peripheral stubs
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9 months ago |
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Nathaniel Walizer
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d95fe6da06
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Prepare for v2
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9 months ago |
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Nathaniel Walizer
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f9f6b8531d
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Fix mapper memory leaks
This required a significant refactor to move the mapper data out of the static
struct, but in the end is a saner architecture.
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11 months ago |
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Nathaniel Walizer
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dc05a32636
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Add in-game menu
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11 months ago |
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Nathaniel Walizer
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dcae99a332
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Start implementing APU
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11 months ago |
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Nathaniel Walizer
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f0d45e9680
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Use single-step CPU call for 17% performance boost
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11 months ago |
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Nathaniel Walizer
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464fe79ebd
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Render each scanline at a time; MMC3 mapper fixup; debug output fixup
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11 months ago |
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Nathaniel Walizer
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7507dc30f8
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Add IRQ to MMC3 mapper
- Gun Nac still crashing after first title screen
- SMB3 halts after game start
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1 year ago |
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Nathaniel Walizer
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18455ad76c
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Add MMC1 mapper support
- Scrolling jitter artifacts evident in The Legend of Zelda
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1 year ago |
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Nathaniel Walizer
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bfb9e3df5f
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Add basic mapper support
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1 year ago |
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Nathaniel Walizer
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36ad6f4e19
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Add 8x16 sprite support; create debug macros
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1 year ago |
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Nathaniel Walizer
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66460ee5fe
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Add horizontal/vertical VRAM mirroring
- Ready to add support for mappers
- Block-line background rendering presents certain artifacts in some
vertical-scrolling games like 1942
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1 year ago |
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Nathaniel Walizer
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57fcc77c27
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Add controller support with keyboard via SDL
- a -> A
- s -> B
- q -> Select
- w -> Start
- Arrow keys
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1 year ago |
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Nathaniel Walizer
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2f07024354
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Finish smooth X scrolling
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1 year ago |
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Nathaniel Walizer
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1a0f6ac06e
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Add basic coarse X scrolling
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1 year ago |
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Nathaniel Walizer
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41536a2b8f
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Fix PPU timing
- DMA was being double-counted for PPU cycles
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1 year ago |
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Nathaniel Walizer
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13456ff79a
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Initial commit: Everything in progress, with PPU R/W support nearly complete
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1 year ago |
