161 Commits

Author	SHA1	Message	Date
Vince Weaver	4ee222daee	gr-sim: got lz4 decode working	2018-02-14 15:30:57 -05:00
Vince Weaver	3b7529991e	gr-sim: fix carry flag in SBC	2018-02-14 14:09:54 -05:00
Vince Weaver	ecc4a5bb1c	gr-sim: add 6502 test harness	2018-02-14 13:57:58 -05:00
Vince Weaver	bf430d808a	gr-sim: combine the 6502 emulation stuff	2018-02-14 13:10:01 -05:00
Vince Weaver	65bfb2ba45	gr-sim: working on l4d	2018-02-14 13:03:32 -05:00
Vince Weaver	b3601c9f78	gr-sim: split the 6502 emulation from the graphics emulation	2018-02-14 13:03:15 -05:00
Vince Weaver	4ae00f4e9d	mockingboard: work on lz4 decoder	2018-02-14 00:41:23 -05:00
Vince Weaver	38e28f4169	mode7_demo: split out island vs checkerboard flying	2018-01-28 00:45:31 -05:00
Vince Weaver	3d2f707a9e	mode7: update text demo	2018-01-24 12:31:05 -05:00
Vince Weaver	d8de617a06	mode7: add initial rasterbars code	2018-01-13 00:59:53 -05:00
Vince Weaver	c11bc0b1f8	mode7: trying to figure out differential rasterbar speed	2018-01-10 16:25:50 -05:00
Vince Weaver	c0145492ca	mode7: update rasterbars	2018-01-10 00:38:50 -05:00
Vince Weaver	d506bff1a0	mode7: update text_demo	2018-01-09 00:42:15 -05:00
Vince Weaver	5889cca76b	mode7: add text_demo	2018-01-08 16:03:51 -05:00
Vince Weaver	d26ba2c90b	gr-sim: update to use fast_clear routines more similar to tfv	2018-01-08 14:01:19 -05:00
Vince Weaver	0233210271	mode7: some more demo work	2018-01-08 00:50:18 -05:00
Vince Weaver	6af4836f26	mode7: starfield works	2017-12-31 13:57:52 -05:00
Vince Weaver	ce4eafc474	mode7: 6502 matches C	2017-12-31 12:04:39 -05:00
Vince Weaver	d1a0ac9144	mode7: more starfield work	2017-12-30 00:43:39 -05:00
Vince Weaver	83090145de	mode7: optimize fixed starfield a bit	2017-12-28 23:33:31 -05:00
Vince Weaver	3b53300ca2	mode7: update fixed-point starfield	2017-12-28 23:27:31 -05:00
Vince Weaver	96cd7ac131	mode7: more work on starfield	2017-12-28 13:17:16 -05:00
Vince Weaver	e3185239bc	mode7: re-optimize rle compression ... smaller now. Still need to fix asm version	2017-12-15 15:25:26 -05:00
Vince Weaver	819b618b70	mode7: work on fade	2017-12-15 14:04:50 -05:00
Vince Weaver	e60974a9ef	mode7: comment gr-sim rle unpack a bit better	2017-12-15 11:29:20 -05:00
Vince Weaver	20dfdcc36e	mode7: more planning changes	2017-12-15 09:20:40 -05:00
Vince Weaver	58adfcfcd0	gr-sim: add starfield demo	2017-12-14 16:52:58 -05:00
Vince Weaver	af84003bcc	tfv: update to v004	2017-12-01 16:02:21 -05:00
Vince Weaver	d86a962432	tfv: move lookup_map inline	2017-12-01 00:01:34 -05:00
Vince Weaver	e37caf6624	tfv: some more multiplaction result arranging	2017-11-30 01:02:45 -05:00
Vince Weaver	91706259a7	tfv: use the re-arranged multiply register results to optimize ... cycle count actually gets worse, but that was due to a bug in the cycle counting missing two of the add routines	2017-11-30 00:37:57 -05:00
Vince Weaver	d3a054b98b	tfv: move spacez updates out of line	2017-11-30 00:13:23 -05:00
Vince Weaver	dc0827941e	tfv: inner loop optimization	2017-11-29 23:17:32 -05:00
Vince Weaver	99343668a1	tfv: add more comments to the code	2017-11-29 12:53:29 -05:00
Vince Weaver	51befa0f01	tfv: inline the signed multiply	2017-11-29 01:04:07 -05:00
Vince Weaver	fa45d4bd72	tfv: forgot to update the signed multiply part of things	2017-11-29 00:49:01 -05:00
Vince Weaver	f6d358e025	tfv: update the multiply code	2017-11-29 00:38:41 -05:00
Vince Weaver	a7f4ec0bc0	tfv: optimize the multiply routine down some more	2017-11-29 00:38:06 -05:00
Vince Weaver	4d86457d96	tfv: more optimization, move SCREEN_X to register X	2017-11-26 21:58:58 -05:00
Vince Weaver	5cee1db0b1	tfv: add some self-modifying code	2017-11-26 20:51:24 -05:00
Vince Weaver	0f100138f1	tfv: some more minor speedups	2017-11-26 19:20:58 -05:00
Vince Weaver	1bb8491f68	tfv: make the speed handling more similar on the two versions	2017-11-26 18:27:58 -05:00
Vince Weaver	b72d12eea8	tfv: make help properly redraw sky when done	2017-11-26 17:59:27 -05:00
Vince Weaver	fa8553aeb9	tfv: remove excess copying into temp variables	2017-11-26 17:48:01 -05:00
Vince Weaver	b6335d4419	tfv: switch over to 40x40 mode ... framerate is back to 4fps	2017-11-26 15:12:21 -05:00
Vince Weaver	03e7afe1ce	tfv: remove old multiply code	2017-11-26 11:21:54 -05:00
Vince Weaver	024d38ce36	tfv: update with over_water optimization	2017-11-26 01:02:02 -05:00
Vince Weaver	3430394d99	tfv: optimize to not always draw sky	2017-11-26 00:10:58 -05:00
Vince Weaver	92e9d3a055	tfv: add cache for the color values	2017-11-25 23:27:55 -05:00
Vince Weaver	71fde333c9	tfv: optimize the multiply some more	2017-11-25 21:55:45 -05:00