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8,296 Commits 7 Branches 121 Tags 500 MiB
a282a51673
Commit Graph

2581 Commits

Author SHA1 Message Date
Thomas Harte
a282a51673 Remove last of the direct printf'ing. 2021-09-30 02:42:59 -04:00
Thomas Harte
b7b13e20d1 Single column blits should use both masks. 2021-09-29 22:49:35 -04:00
Thomas Harte
402fa41bc0 Corrects initial error value. 2021-09-29 22:19:17 -04:00
Thomas Harte
0b9ebafc0f Flip bit deserialisation order. 2021-09-28 22:12:13 -04:00
Thomas Harte
140e24ef15 Grab further copy flags. 2021-09-28 22:11:58 -04:00
Thomas Harte
ffcd2ea10c Attempts more properly to implement line mode. 2021-09-28 21:39:09 -04:00
Thomas Harte
cb460de94d Makes bad first attempt at a Bresenham inner loop. 2021-09-27 22:06:00 -04:00
Thomas Harte
f6624bf776 Edges mildly closer to line output. 2021-09-26 19:18:12 -04:00
Thomas Harte
b4b6c4d86f Attempts to support left and right masks. 2021-09-26 18:42:08 -04:00
Thomas Harte
759689ff31 Fix line mode flag, add busy status. 2021-09-26 18:16:00 -04:00
Thomas Harte
9012a7f5e1 Merge branch 'master' into Amiga 2021-09-23 23:00:03 -04:00
Thomas Harte
e5a5faa417 Resolves Clang 13 implicit conversion warnings. 2021-09-23 22:53:41 -04:00
Thomas Harte
c4ab2bbeed Hard-code fetch window width. For now. 2021-09-23 22:06:13 -04:00
Thomas Harte
42ef459e20 Resolve resting values. 2021-09-23 22:05:59 -04:00
Thomas Harte
cad1a9e0f1 Correct bit test. 2021-09-23 20:42:31 -04:00
Thomas Harte
f1d514470d Add note to future self. 2021-09-23 20:29:39 -04:00
Thomas Harte
9a7a54f22f Take alternative guess as to meaning of 'use' bits. 2021-09-23 18:42:12 -04:00
Thomas Harte
137d1c61bd Allow for channel enables and blitting direction. 2021-09-23 18:38:37 -04:00
Thomas Harte
adc071ed7a Fix: modulos are 15-bit signed, the minterms are also in regular BLTCON0. 2021-09-23 18:30:35 -04:00
Thomas Harte
e06f470044 Ensure no implicit conversion from int to IntT. 2021-09-23 18:30:04 -04:00
Thomas Harte
ab69fe56c9 Take a first shot at magical instant blitting. 2021-09-23 18:13:51 -04:00
Thomas Harte
60bad22a91 Correct fetch window. 2021-09-23 18:13:24 -04:00
Thomas Harte
7092429f7c Added some notes to self on line mode. 2021-09-20 23:08:26 -04:00
Thomas Harte
fa800bb809 Introduces code for minterm application. 2021-09-20 19:13:23 -04:00
Thomas Harte
e15f1103a0 Takes a shot at low resolution shifting. 2021-09-20 19:00:52 -04:00
Thomas Harte
a4263b5a8c Ties bitplane collection to line position. 
Outgoing bug: incrementing the video relative offset too often, due to cycles that are discovered to be CPU-targetted.
 2021-09-19 21:55:45 -04:00
Thomas Harte
245b7baa61 Moves the Copper into its own file. 2021-09-16 21:17:23 -04:00
Thomas Harte
0eeaaa150a Correct Copper start address. 2021-09-16 21:01:37 -04:00
Thomas Harte
692d87f446 Attempts to restrict blitter slot allocation. 2021-09-16 19:56:28 -04:00
Thomas Harte
6572efe2a7 Clarifies word addressing. 2021-09-16 08:24:52 -04:00
Thomas Harte
8aac2bd029 Stubs in serial port status. 2021-09-14 21:53:07 -04:00
Thomas Harte
add11db369 Factors out DMADevice, which is now a parent of Blitter. 2021-09-14 20:51:32 -04:00
Thomas Harte
e47eab1d40 Merge branch 'master' into Amiga 2021-09-14 20:27:59 -04:00
Thomas Harte
fa71ae3174 Add apology. 2021-09-14 20:23:36 -04:00
Thomas Harte
dfcd1508c9 Establishes valid initial BRAM. 2021-09-10 19:56:20 -04:00
Thomas Harte
7e5fc4444a Default to ROM01. 2021-09-09 22:09:09 -04:00
Thomas Harte
d8e42c4379 Tweak guess at initial state. 2021-09-09 22:06:36 -04:00
Thomas Harte
dd37fa49a0 Stabilises Apple IIgs display. 2021-09-09 20:08:15 -04:00
Thomas Harte
fd70f7ad43 Attempts to make pixel content observeable. 2021-09-08 20:57:26 -04:00
Thomas Harte
6e034c9b7f At least manages to place a pixel region on screen. 
Albeit that I've suddenly realised that I've failed properly to think about high-res versus low-res.
 2021-08-11 20:31:37 -04:00
Thomas Harte
52e375a985 Move towards playfield decoding. 2021-08-11 18:47:35 -04:00
Thomas Harte
10a5e7313f Makes a buggy first attempt at bitplane data collection. 2021-08-10 21:28:48 -04:00
Thomas Harte
ec9cb21fae Starts towards bitplane collection. 2021-08-10 19:01:41 -04:00
Thomas Harte
fdd02ad6a6 Neaten, slightly. 2021-08-10 09:20:34 -04:00
Thomas Harte
76e9fcc94a Obey blitter DMA-enable mask. 2021-08-10 09:19:15 -04:00
Thomas Harte
e412927415 Logs a bit more from the Blitter, gives it access to slots. 2021-08-10 07:17:01 -04:00
Thomas Harte
dda154c7c6 Adds nonsense disk reads, which seems to lead to bitplane and blitter requests. 
Progress, at last!
 2021-08-09 20:31:14 -04:00
Thomas Harte
9215535bee Adds a container for the disk controller. 
Thereby appears to prove that my Amiga is getting as far as attempting to load from floppy.
 2021-08-09 17:35:09 -04:00
Thomas Harte
86c6248b48 Merge branch 'master' into Amiga 2021-08-09 17:09:04 -04:00
Thomas Harte
1502c4530e Takes a further step towards real timing. 2021-08-08 21:52:28 -04:00