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Code Issues Projects Releases Wiki Activity
8,399 Commits 8 Branches 121 Tags 496 MiB
1cf1c90511
Commit Graph

2655 Commits

Author SHA1 Message Date
Thomas Harte
1cf1c90511 Adds support for interlaced output. 2021-11-02 14:34:03 -07:00
Thomas Harte
d989825216 Add bonus notes on VPOSR. 2021-11-02 03:47:39 -07:00
Thomas Harte
3976420b88 Retains a little more of output controls. 2021-11-01 17:15:36 -07:00
Thomas Harte
2f1ce5fe43 Switch to using the swizzled palette for playfield output. 2021-11-01 14:44:30 -07:00
Thomas Harte
42145a5b8a Delay bitplane installation until end of slot. 2021-11-01 14:18:58 -07:00
Thomas Harte
4e66017205 Enable sprite reuse and toggle to inactive when visible region is over. 2021-10-31 16:52:48 -07:00
Thomas Harte
299d517449 Performs a first implementation of fill mode. 2021-10-31 14:36:31 -07:00
Thomas Harte
4c1ab6ff25 Rethinks bitplane stops. 2021-10-31 09:01:38 -07:00
Thomas Harte
16f31cab6a Avoid duplication of CIA select test. 2021-10-30 12:05:18 -07:00
Thomas Harte
02c88e6826 VHPOSR's fields are the other way around. 2021-10-30 12:04:46 -07:00
Thomas Harte
d25804f4a2 Throws in official register names. 2021-10-29 14:05:11 -07:00
Thomas Harte
edb75e69cb Implement bitplane modulos. 2021-10-29 11:29:22 -07:00
Thomas Harte
f3e895f17c Tag intended unused parameters. 2021-10-29 06:21:02 -07:00
Thomas Harte
b952d73e83 Disallow programmatic setting of blitter status. 2021-10-29 06:19:57 -07:00
Thomas Harte
07facc0636 Takes a stab at BZERO. 2021-10-28 18:12:46 -07:00
Thomas Harte
da1a69be27 Caps mouse speed. 
Also takes another guess at CIA interrupt bits. To no avail.
 2021-10-27 18:38:02 -07:00
Thomas Harte
b10f5ab110 Apply A mask when loading into barrel shifter. 2021-10-26 20:02:28 -07:00
Thomas Harte
b4286bb42b Modulos are subtracted in descending mode. 2021-10-26 07:21:51 -07:00
Thomas Harte
139d35c6f9 Switches to basic use of sprite shifters. 2021-10-25 20:58:48 -07:00
Thomas Harte
cb24457b4a Starts on a two-at-a-time sprite shifter. 2021-10-25 16:30:30 -07:00
Thomas Harte
9f3efb7f05 Limits graphical output to [all but one bit] of the display window. 2021-10-25 14:12:23 -07:00
Thomas Harte
e6001e0f22 Shifts bitplanes irrespective of output window. 2021-10-25 13:59:39 -07:00
Thomas Harte
c6535bf035 Switches bitplane shifter to returning four high-res pixels at a time. 2021-10-25 13:34:36 -07:00
Thomas Harte
7118a515e0 Reduce logging in trustworthy areas. 2021-10-23 20:36:41 -07:00
Thomas Harte
952451c9b8 Add mouse input. 2021-10-23 20:17:13 -07:00
Thomas Harte
610327a04e Fix sprite H start bit order. 2021-10-22 23:20:20 -07:00
Thomas Harte
2121e32409 Fix sprite bit ordering. 2021-10-22 21:10:01 -07:00
Thomas Harte
7ec21edc2f Attempts to hack in some form of sprite display. 2021-10-22 19:51:10 -07:00
Thomas Harte
003162f710 Limit to specific purpose. 2021-10-22 16:16:19 -07:00
Thomas Harte
040ac93042 Takes a shot at the vertical stuff of sprite DMA. 2021-10-22 14:32:59 -07:00
Thomas Harte
b489ba3d0d Adds sprite DMA windows. 2021-10-22 13:07:20 -07:00
Thomas Harte
c5e8b547af Captures the attach flag and observes activation rule. 2021-10-22 11:21:58 -07:00
Thomas Harte
e67de90ad0 Starts to bring sprites inside DMADevice orthodoxy. 2021-10-21 21:57:46 -07:00
Thomas Harte
c3c84c88a1 Switch to ahead-of-time planar to chunky conversion. 2021-10-21 20:48:57 -07:00
Thomas Harte
0dc9c4cee1 Undo hard-coding of fetch window. 2021-10-19 15:18:39 -07:00
Thomas Harte
b312a61a81 Add two dummy reads. 2021-10-16 13:30:45 -07:00
Thomas Harte
4917556a99 The shift goes the other way in descending mode. 2021-10-16 11:09:40 -07:00
Thomas Harte
aa6b0f07b7 Correct filename. 2021-10-16 05:37:46 -07:00
Thomas Harte
e27a10bde4 Simplify control flow. 2021-10-14 16:47:18 -07:00
Thomas Harte
253a199f27 Fire sync-match interrupt upon any match. 2021-10-14 16:36:17 -07:00
Thomas Harte
61e5702520 Remove dead TODO. 2021-10-14 16:09:11 -07:00
Thomas Harte
b12c640807 Makes drives non-copyable. 
To avoid error in the future.
 2021-10-14 12:37:55 -07:00
Thomas Harte
9be23ecc34 Add end-of-Blit interrupt. 
Along with a slightly easier path for posting interrupts, in C++ compilation unit terms.
 2021-10-13 15:09:19 -07:00
Thomas Harte
eec068914e Slightly improve logging. 2021-10-11 18:05:57 -07:00
Thomas Harte
39b8285ba5 Trust the HRM on step bit, but catch rising edge. 2021-10-11 07:42:42 -07:00
Thomas Harte
7733fef3bd DSKLEN has to be written twice. 2021-10-11 06:16:01 -07:00
Thomas Harte
6acddfdb98 Add the sync match interrupt. 
Albeit that it doesn't yet unblock disk DMA.
 2021-10-11 03:37:56 -07:00
Thomas Harte
99492c2ec2 Further tweak logging. 2021-10-10 18:19:50 -07:00
Thomas Harte
846b505d27 Reduce logging; disk data probably isn't the immediate obstacle. 2021-10-10 13:04:10 -07:00
Thomas Harte
8d43b4a98d Expands Disk DMA access window. 2021-10-10 11:47:02 -07:00