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uxn
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1,041 Commits 6 Branches 6 Tags 3.7 MiB
Commit Graph

51 Commits

Author SHA1 Message Date
Sigrid Solveig Haflínudóttir 28aaf40e6d
ppu_write: put new byte value only if it's different 2021-11-02 18:18:30 +01:00
Sigrid Solveig Haflínudóttir ca5675419e
ppu_write: remove duplicate condition we already checked for 2021-11-02 18:15:11 +01:00
neauoire 243c5866ac Do not overdraw 2021-09-30 19:35:22 -07:00
neauoire 0fe8b39447 Cleaned up PPU 2021-09-30 10:44:40 -07:00
neauoire 9de513ad47 Cleaned up ppu_read 2021-09-30 09:34:50 -07:00
neauoire c02dc5b0e2 Fixed transparency 2021-09-29 21:00:18 -07:00
neauoire c494e42cf2 Drawing is pixel-perfect again 2021-09-29 20:54:27 -07:00
neauoire bac54f1fd9 Progress on new bitpacking 2021-09-29 20:44:15 -07:00
neauoire 253be6f50c Minor cleanup 2021-09-29 20:05:26 -07:00
neauoire ecc1d7c416 Experimenting with 2 layers 2021-09-29 17:58:58 -07:00
neauoire f3b3823b0c The PPU require-draw flag is renamed to reqdraw 2021-09-29 16:14:13 -07:00
neauoire 8d72c36123 Moved get_pixel to ppu.c 2021-09-29 16:01:54 -07:00
Andrew Alderwick f38ba34310 clang-format 2021-09-21 21:20:22 +01:00
Sigrid Solveig Haflínudóttir 3d49536d76
ppu: keep track of the vertical region where redraw is supposed to happen 2021-09-21 19:39:00 +02:00
Andrew Alderwick 81ab3a7a74 Fixed PPU out-of-bounds crash 2021-09-20 23:12:11 +01:00
Andrew Alderwick c0e42f1322 Switched to faster unsigned ints for PPU memory 2021-09-20 22:51:09 +01:00
Andrew Alderwick b6fe4302d1 Switched to linear PPU memory 2021-09-20 22:51:09 +01:00
Andrew Alderwick f77fa80d35 Replaced duplicate parts of PPU init with resize functions 2021-09-19 23:34:03 +01:00
Sigrid Solveig Haflínudóttir 6337680774 ppu: change the API to signal when redraw is required 
To lower CPU load in idle mode (no changes on screen)
make ppu_pixel return non-zero when a change has been
made.

25% → 4% (piano.rom) after this change on Linux amd64,
Thinkpad X220.
 2021-09-19 23:30:53 +02:00
neauoire a5201767d7 Clear on resize 2021-09-18 17:18:20 -07:00
neauoire bca5562eec The screen width/height ports can be written to 2021-09-18 16:51:20 -07:00
Sigrid Solveig Haflínudóttir ccd9aabecd ppu: remove unused "pixels" field from Ppu; reset bg/fg to all zeroes on init 2021-09-17 20:24:50 +02:00
neauoire 478669a8ca Reverted to a standard SDL Texture for the screen 2021-09-16 19:48:00 -07:00
neauoire 98f773c652 Removed unused hor/ver values 2021-08-01 11:38:04 -07:00
neauoire be85023831 Prefixed function names with ppu 2021-08-01 11:33:43 -07:00
neauoire 6d8e06e879 Added alpha to blending table 2021-08-01 11:16:29 -07:00
neauoire 2d493c55bb Removed extra table 2021-08-01 11:08:02 -07:00
neauoire b826d78a56 Pushed new blending modes 2021-08-01 11:00:07 -07:00
neauoire f3b237f0f9 Optimization in putchr 2021-07-31 21:29:40 -07:00
neauoire 8a8de7f142 Simpler putchr(), not the best but.. 2021-07-31 17:00:25 -07:00
Andrew Alderwick b327719e38 Reworked putpixel 2021-08-01 00:31:22 +01:00
Andrew Alderwick 555d38a8ef Added more color blending modes for chrs 2021-07-31 23:21:13 +01:00
Andrew Alderwick 4257f9818a Switched to indexed SDL_Surface using blit to window. 2021-07-31 19:46:27 +01:00
neauoire 319f5f9238 Removed mispaste code in ppu 2021-07-31 10:48:58 -07:00
neauoire 564b3207e7 Fixed issue with drawing functions 2021-07-31 10:47:51 -07:00
neauoire 8bf99e6d76 Changed the screen.tal colors to fit the Varvara docs 2021-07-30 20:10:26 -07:00
neauoire d2c3d0e524 Started implementing the sprite port for the screen device 2021-07-30 19:23:02 -07:00
neauoire 7f345428d6 Moved inspect in uxnemu.c 2021-07-30 14:38:08 -07:00
neauoire dcdf618087 Improved piano example 2021-07-09 11:38:45 -07:00
neauoire ac416bb02f Make return pointer counter in inspect() more visible 2021-07-05 09:08:55 -07:00
neauoire a1d00a2df7 Drawing inspect on fg so it can be erased 2021-07-05 09:06:32 -07:00
neauoire 274edad29d Simplified console 2021-06-28 09:40:29 -07:00
neauoire 7fe0750c17 Added return pointer position to debugger 2021-06-18 20:19:32 -07:00
Andrew Alderwick d5b2bd9895 Revert "Removed second texture of PPU" 2021-05-30 23:15:37 +01:00
Andrew Alderwick ffe142ea91 Removed second texture of PPU 2021-05-30 23:04:19 +01:00
neauoire d163c43201 Improved uxncli and moved all demos into examples 2021-05-26 10:02:13 -07:00
Andrew Alderwick 15480b238a Converted PPU to use two textures; moved padding to src/emulator.c 2021-05-19 23:17:58 +01:00
neauoire 8c1cf40cb1 Revert "ppu: keep track of modified rows and only redraw those in drawppu" 
This reverts commit 3c64c8c1a4.
 2021-05-19 09:13:41 -07:00
Sigrid Solveig Haflínudóttir 3c64c8c1a4 ppu: keep track of modified rows and only redraw those in drawppu 2021-05-19 12:25:18 +00:00
neauoire a4c8066043 Cleaned example files 2021-05-12 18:28:45 -07:00