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melonDS
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245 Commits

Author SHA1 Message Date
StapleButter fb9dddc360 dumb copypasta bug of the year. 2017-02-27 21:30:32 +01:00
StapleButter 8c2572e354 correct VRAM emulation. 
there is room for optimizations esp. in the GPU drawing routines.
 2017-02-27 21:26:11 +01:00
StapleButter dadf1eb5a5 fixes to 3D rendering. polygons are almost pixel-perfect. clipping still doesn't get colors quite right. 2017-02-20 18:46:44 +01:00
StapleButter 261689d3d1 'FIFO full' hack for SM64DS. 2017-02-17 19:34:41 +01:00
StapleButter 97d76addd9 fix a bunch of GXFIFO related bugs. 2017-02-17 18:59:11 +01:00
StapleButter cca0a71d81 emulate DMA timings. 
keeps games from overflowing the GXFIFO... when they aren't fucking dumb.
 2017-02-17 05:33:37 +01:00
StapleButter abd2cb444b improve 3D renderer precision. not perfect, but not bad at all. 2017-02-17 04:07:00 +01:00
StapleButter 676e5b32cc perspective-correct Gouraud 2017-02-15 17:49:14 +01:00
StapleButter ef7fbf8b03 18-bit graphics pipeline 
(final buffer is 32-bit)
 2017-02-14 21:55:51 +01:00
StapleButter c5b7ec2168 attempt at depth buffer 2017-02-14 03:29:02 +01:00
StapleButter 68fb77b204 * backface/frontface culling (and rendering of backfacing polygons) 
* fix clipping/viewport transform precision errors
* triangle/quad strips
 2017-02-14 02:43:35 +01:00
StapleButter fb53fd5195 * fix overflows during fixed-point multiply 
* small fix to SwapBuffers
 2017-02-13 14:59:51 +01:00
StapleButter 361ddd7595 * fix GXFIFO decoding 
* proper SwapBuffers implementation
* fix polygon clipping
* misc fixes
 2017-02-13 02:07:54 +01:00
StapleButter 15c8d59e2b vertex colors, with Gouraud shading and all 
has yet to be checked for whether it's accurate, optimized, etc...
 2017-02-11 04:10:59 +01:00
StapleButter 050ba5dfbe some debuts of 3D drawing. 
it can draw non-strip polygons, filled with a fixed color. oh and it doesn't work if they're facing back.
 2017-02-11 03:54:08 +01:00
StapleButter 78f49d061a base for software renderer 2017-02-10 16:50:26 +01:00
StapleButter c95f7578bb store vertices and polygons. strips not handled yet. 2017-02-10 15:24:46 +01:00
StapleButter 3ad95fbc65 Merge pull request #4 from lioncash/off-by-one 
ARM: Fix out of bounds array indexing in RestoreCPSR
 2017-02-10 14:27:26 +01:00
Lioncash 896bb1b781 ARM: Fix out of bounds array indexing in RestoreCPSR 2017-02-09 08:18:05 -05:00
StapleButter 2bd67aef64 calculate vertices. 
it doesn't do much, but hey, it's a start.
 2017-02-09 02:39:52 +01:00
StapleButter 49fd4ccb45 * GXFIFO DMA (note: Mario Slam Basketball keeps overflowing the FIFO for whatever reason, probably lack of proper DMA timings) 
* start implementing matrix shit
 2017-02-08 21:30:10 +01:00
StapleButter 796dc58f71 GXFIFO finished. hacktastic integration into the ARM9 loop. 2017-02-08 00:52:37 +01:00
StapleButter 971e7b7e89 well, GX FIFO base. noting that for now, it doesn't do much beyond getting full real quick. 
also make ROM loading fail gracefully if it shits itself, instead of entering an endless loop.
 2017-02-07 23:31:21 +01:00
StapleButter 2b7fac05c7 rework FIFO crap so it can also be used for the GXFIFO crapo. 2017-02-07 22:41:33 +01:00
StapleButter 0562410de2 * lay base for 3D engine 
* add failure reporting to Init functions, and DeInit functions
* GPU-related notes
* readme update
 2017-02-07 22:23:46 +01:00
StapleButter 86cdf28323 change how redrawing is done. fixes memory leak and other fun shit. 
calling GetDC() over and over again isn't a good idea.
 2017-02-06 00:07:22 +01:00
StapleButter 3cf38e3e9d lil' hack. makes SM64DS go ingame. 2017-02-05 18:34:21 +01:00
StapleButter 1001df49ea support extended palette for 256-color sprites. 2017-02-05 18:23:03 +01:00
StapleButter e88cf1b43d apparently when you set an out-of-bounds address for EEPROM, it should wrap around 
TODO: check if it also happens with Flash

also fix shit that could have later turned into memory leaks
 2017-02-05 17:45:17 +01:00
StapleButter ff3b60bc93 ARM7 BIOS read protect. 
(noting that Super Princess Peach reads from the BIOS. probably a bug)
 2017-02-05 17:15:17 +01:00
StapleButter 5ccf56d21d * fix 'STMxx with base register included in register list' when base register is banked. 
* fix cart DMA for ARM9.
 2017-02-05 16:50:20 +01:00
StapleButter 829b044802 improve touchscreen precision 2017-02-04 00:12:08 +01:00
StapleButter 67f0c7b123 256-color sprites. code's weird tho. check it later. 2017-02-04 00:07:25 +01:00
StapleButter 4b3f635c9f fixes to tiled extended BGs. support for 256color/direct bitmap BGs. 2017-02-03 23:49:37 +01:00
StapleButter 399e30017a fix extended backgrounds. blarg 2017-02-03 22:58:00 +01:00
StapleButter 410c18fac4 blarg 2017-02-03 21:11:23 +01:00
StapleButter 1f691f3795 * HBlank flag and IRQ. 
* VBlank and HBlank DMA.
 2017-02-03 18:47:40 +01:00
StapleButter f4335b9292 better save support. not hardcoded filename, support for non-tiny EEPROM and Flash, attempt at autodetecting the right memory type. 2017-02-03 16:57:31 +01:00
StapleButter 7e9972e037 an attempt at shitty extended "tile+rotscale" BGs 2017-02-02 01:18:03 +01:00
StapleButter 6486d0e10d BG extended palettes! 2017-02-02 00:09:40 +01:00
StapleButter 3451e41bd1 tile hflip/vflip for text BGs. 
256-color mode for text BGs.
 2017-02-01 23:43:02 +01:00
StapleButter c19056a564 implement screen swap. 
silence some logging for 3D GPU writes.
 2017-02-01 21:57:25 +01:00
StapleButter 282dcdece3 * make direct boot less shitty. 
* add main RAM mirror at 0x02800000 for ARM7.
 2017-02-01 21:35:00 +01:00
StapleButter 64f9822db6 fix ARM7 VRAM 2017-02-01 19:30:57 +01:00
StapleButter e028973caa this is not how sprite priorities work, you derp 2017-02-01 18:47:13 +01:00
StapleButter 03c1a9cbc8 more anti-crash. 
don't unmap VRAM in cases of overlaps. fixes NSMB minigames, for now.
 2017-02-01 17:05:12 +01:00
StapleButter 6d2092a106 blarg 2017-02-01 00:31:23 +01:00
StapleButter 1f5faf8291 TSC support, touchscreen input. not perfect but for now this will do. 2017-02-01 00:24:36 +01:00
StapleButter 548b8d99a6 sqrt crap 2017-01-31 21:53:45 +01:00
StapleButter 9541d17c7c * implement the last missing instructions. QADD is not good according to ARMWrestler, but it doesn't make sense. TODO: investigate. 
* buttons A and B
* silence 'unknown IO write' for 3D GPU ports
 2017-01-31 18:41:31 +01:00