Commit Graph

24 Commits

Author SHA1 Message Date
StapleButter 1001df49ea support extended palette for 256-color sprites. 2017-02-05 18:23:03 +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 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 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 c3e2f7ad9b * fix VRAM address calculation for GPU A
* add support for mode 5
2017-01-31 15:43:22 +01:00
StapleButter 12ebf83665 keep the GPU from crashing if there's no VRAM mapped, I guess.
noting that the way it's accessing VRAM is grossly inaccurate.
2017-01-31 04:06:05 +01:00
StapleButter ac8936539e some attempt at cart support 2017-01-22 20:34:59 +01:00
StapleButter 62ed28d5c8 rotscaled 16color sprites. about fucking time I get this shit working. 2017-01-21 17:06:54 +01:00
StapleButter 14f1cec955 some beginning of sprite support: 16bit tiled sprites, not rotated or anything fancy
also give it a version number
2017-01-21 03:36:14 +01:00
StapleButter 711375c0be BG scroll. also fix silly bug. 2017-01-20 15:27:56 +01:00
StapleButter 7dba0121cb fix bug with ALU operations and shift operands, where the shift operation could obliterate the carry flag
also, misc shit
2017-01-20 15:13:44 +01:00
StapleButter 3e5e8f60c4 * some basic BG display code
* basic, frozen-in-time RTC
* power management device
2017-01-20 01:18:30 +01:00
StapleButter d7c1d2a2cd * start GPU shit: draw BG0 16-color.
* fix a few DMA bugs.
* fix a bug where some code could still run right after a halt instruction.
* fix VRAM mapping, too. I'm an idiot.
2017-01-18 17:57:12 +01:00
StapleButter d30e6956fa skeleton for 2D GPU 2017-01-18 04:03:19 +01:00
StapleButter 8c2f785a0f uh oh! it's getting further
(also CodeBlocks is fucking dumb)
2017-01-16 04:47:37 +01:00
StapleButter af05333290 christ. CodeBlocks is retarded.
also, lots of crap. I lost track of it.
2016-12-23 21:22:22 +01:00
StapleButter 9bb3537ede some more crap emulated. 2016-12-06 17:32:51 +01:00
StapleButter c8a0058ebc implementation of VRAM and other misc crap 2016-12-05 23:17:03 +01:00
StapleButter 8c8c78cf83 misc fixes.
shit in place to start implementing GPU shit.
GPL headers added before it's too late. (TODO: put actual GPL license in the repo)
also added URL that doesn't exist yet but is reserved.
2016-12-05 18:02:29 +01:00