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Diffstat (limited to 'README')
| -rw-r--r-- | README | 56 |
1 files changed, 0 insertions, 56 deletions
@@ -1,56 +0,0 @@ -nes emulator in go - -im trying to make it somewhat commented so yeah :D - -TODO: -emulator base -- [x] cpu passing nestest -- [x] cart package (iNES parser, mapper 0) - -system bus (nes package) -- [/] Bus type: 2KB RAM mirrored through $1FFF, PPU regs $2000-$3FFF (mirrored every 8), APU/IO $4000-$4017, cart $4020+ (APU still missing) -- [x] OAM DMA at $4014 (stalls CPU 513/514 cycles) -- [x] reuse it in nestest_test.go instead of the test-only bus -- [/] CPU stall hook (done) and proper IRQ/NMI line (polled between instructions) - PPU currently fires NMI straight from Console.Step, see its doc comment - -ppu, background -- [x] registers $2000-$2007 and v/t/x/w latch logic -- [x] nametables with mirroring, palettes, buffered $2007 reads (pattern tables go through the mapper already) -- [x] 341 dots x 262 lines timing, 3 dots per CPU cycle, odd-frame skip dot -- [x] vblank flag and edge-triggered NMI, including the $2002 set-dot race window (see ppu/registers.go's readStatus) -- [x] background shift-register pixel pipeline, PPUMASK clipping -- [x] 256x240 framebuffer and RGB palette - -frontend and input -- [x] cmd/gones sdl2 gui (veandco/go-sdl2): window, framebuffer texture, one frame per 1/60s, vsync -- [ ] sdl2 audio output (queue or callback) -- [x] controller $4016/$4017 strobe and shift register, keyboard mapping - -ppu, sprites -- [x] OAM, per-scanline evaluation, 8-sprite limit, 8x8 and 8x16, flip, priority (overflow flag is the simple version, not the buggy hardware one) -- [x] sprite-0 hit - -more mappers -- [ ] MMC1 (1), UxROM (2), CNROM (3), AxROM (7) -- [ ] MMC3 (4) with scanline IRQ -- [ ] battery-backed save files - -apu -- [ ] pulse x2, triangle, noise, DMC, frame counter, mixer -- [ ] resampling and audio output - -accuracy -- [x] implement all unofficial instructions -- [ ] run accuracycoin and blargg's CPU, PPU, APU and MMC3 test ROMs - -polish -- [ ] save states, pause/reset, fullscreen, gamepad -- [ ] headless mode with framebuffer-hash regression tests -- [ ] movie support -- [ ] (maybe) tas tools - - -testing: -run `go test ./...` to run all tests - -`tests/testdata/nestest.nes` and `tests/testdata/nestest.log` are by kevin horton (kevtris), included for testing only. |