 Nathaniel Walizer
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c3a0dfbf42
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Add save/load state support
- Works with CHR RAM, still needs thorough testing
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8 mesi fa |
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Nathaniel Walizer
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99009eb11e
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PPU init and cleanup
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9 mesi fa |
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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 mesi fa |
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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 mesi fa |
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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 mesi fa |
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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 mesi fa |
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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 mesi fa |
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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 mesi fa |
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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 mesi fa |
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Nathaniel Walizer
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d95fe6da06
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Prepare for v2
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9 mesi fa |
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Nathaniel Walizer
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e283bd2d8a
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Adjust horizontal scaling
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10 mesi fa |
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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 mesi fa |
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Nathaniel Walizer
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b0ab1141eb
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Add save state support
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11 mesi fa |
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Nathaniel Walizer
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35bef4d20b
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Fix split Y scrolling
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11 mesi fa |
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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 mesi fa |
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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 anno fa |
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Nathaniel Walizer
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d094413864
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Move VRAM mapping into mapper
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1 anno fa |
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Nathaniel Walizer
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bfb9e3df5f
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Add basic mapper support
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1 anno fa |
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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 anno fa |
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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 anno fa |
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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 anno fa |
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Nathaniel Walizer
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ee6127cdf6
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Fix basic background rendering
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1 anno fa |
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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 anno fa |
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Nathaniel Walizer
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4f46423e6d
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Flesh out PPU rendering by using LUTs
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1 anno fa |
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Nathaniel Walizer
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0078a19a9e
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Baby's first background
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1 anno fa |
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Nathaniel Walizer
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787bd6b739
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Add skeleton SDL renderer for PPU
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1 anno fa |
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Nathaniel Walizer
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8410cd184a
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Finish PPU memory mapping
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1 anno fa |
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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 anno fa |
