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Author SHA1 Message Date
Thomas Harte
6ec3c47cc0 Ensures same-level interrupts don't double trigger. 2019-11-12 22:18:13 -05:00
Thomas Harte
ccce127f13 Merge branch 'master' into LessACIAState 2019-11-12 19:41:18 -05:00
Thomas Harte
f4cfca0451 Merge branch 'master' of github.com:TomHarte/CLK 2019-11-12 19:38:44 -05:00
Thomas Harte
eb287605f7 Switches to a default of TOS 1.04. 2019-11-12 19:38:30 -05:00
Thomas Harte
2026761a07
Merge pull request #673 from TomHarte/FewerSpans 
Reduces Atari ST output heft
 2019-11-12 19:37:53 -05:00
Thomas Harte
6a82c87320 Withdraws border optimisation temporarily; I think I may be onto an output bug here. 2019-11-12 19:33:13 -05:00
Thomas Harte
f0478225f0 Adjusts logic to reduce number of output spans. 2019-11-12 19:30:28 -05:00
Thomas Harte
d6edfa5c6d Removes the redundant state encased within interrupt_causes_. 2019-11-11 21:49:02 -05:00
Thomas Harte
e7253a8713
Merge pull request #672 from TomHarte/BetterShifter 
Introduces a cleaner, separated shifter.
 2019-11-10 21:56:45 -05:00
Thomas Harte
c6f6bc68e1 Undoes non-insertion of media. 2019-11-10 21:52:06 -05:00
Thomas Harte
ab34fad8ca Introduces a cleaner, separated shifter. 2019-11-10 21:39:40 -05:00
Thomas Harte
e4c77614c1
Merge pull request #671 from TomHarte/STJoystick 
Makes joysticks a little more const correct
 2019-11-09 22:11:11 -05:00
Thomas Harte
072b0266af It seems status reads are not required to clear the interrupt line. 2019-11-09 20:12:09 -05:00
Thomas Harte
7ae0902103 Adds additional joystick commands to the dispatcher. 2019-11-09 20:10:54 -05:00
Thomas Harte
8e9428623e Adds joystick events to the Atari ST. 2019-11-09 18:39:22 -05:00
Thomas Harte
2c25135d8a Fixes const correctness for joystick machines; the ST is now one such. 2019-11-09 18:19:05 -05:00
Thomas Harte
3741cba88c
Merge pull request #670 from TomHarte/STKeyboard 
Corrects: KeyPad -> Keypad. Also fleshes out Atari ST keyboard mapping.
 2019-11-09 18:05:52 -05:00
Thomas Harte
860837d894 Corrects: KeyPad -> Keypad. Also fleshes out Atari ST keyboard mapping. 2019-11-09 18:02:14 -05:00
Thomas Harte
cef07038c1
Merge pull request #662 from TomHarte/AtariST 
Adds basic and very buggy Atari ST emulation.
 2019-11-09 16:18:50 -05:00
Thomas Harte
0bf61c9c99 Updated: there is some ST emulation here now. 2019-11-09 16:18:29 -05:00
Thomas Harte
837dfd1ab8 Corrects StaticAnalyser references. 2019-11-09 16:14:00 -05:00
Thomas Harte
0204003680 Resolves GCC warnings. 2019-11-09 16:12:37 -05:00
Thomas Harte
5fc4e57db7 Eliminates non-portable use of fls. 2019-11-09 16:03:00 -05:00
Thomas Harte
c4fefe1eb3 Updates SConstruct. 2019-11-09 15:42:19 -05:00
Thomas Harte
77ef7dc8fc Shuffles ST and 2600 into a common parent. 2019-11-09 15:31:41 -05:00
Thomas Harte
e3abbc9966 Renames what didn't end up being a whole SerialPort. 2019-11-09 15:21:51 -05:00
Thomas Harte
70c6010fe0 Expands visible area and adds a few more safety barriers. 2019-11-09 15:00:42 -05:00
Thomas Harte
8c736a639a Eliminates unexpected bottleneck created by ACIA. 2019-11-09 15:00:12 -05:00
Thomas Harte
cc7ff1ec9e Corrects typo. 2019-11-09 14:59:35 -05:00
Thomas Harte
9d12ca691f Makes meaning of 2048 here explicit. 2019-11-09 14:59:16 -05:00
Thomas Harte
db03b03276 Corrects [AND/OR/EOR].bw Dn, -(An) to decrement destination. 
It was previously doing a predecrement on the internal source address, which is unused. This fixes at least Dan Dare III and Silkworm.
 2019-11-09 11:25:23 -05:00
Thomas Harte
45375fb5d0 Makes endian aware. 2019-11-09 09:48:59 -05:00
Thomas Harte
d2324e413d Clarifies ownership of bpp-has-changed test. 2019-11-09 00:10:59 -05:00
Thomas Harte
e0c15f43bb Avoids massive over-flushing of pixel buffers. 2019-11-09 00:05:02 -05:00
Thomas Harte
8b0d550b81 Attempts to move vertical sync out to cycle 30. 2019-11-08 22:18:47 -05:00
Thomas Harte
d1259f829e Moves vertical state decisions back to cycle 502. 2019-11-08 21:42:05 -05:00
Thomas Harte
7caef46c05 Switches back to hsync for interrupts; corrects current address reads. 2019-11-08 21:25:28 -05:00
Thomas Harte
6902251d8b Fixed: returns video address in bytes, not words. 2019-11-08 20:47:08 -05:00
Thomas Harte
0b683b0360 Adds some sanity checks. 2019-11-08 20:46:24 -05:00
Thomas Harte
5d5dc79f2c Corrects raster race condition with CPU. 2019-11-07 23:27:05 -05:00
Thomas Harte
68f9084d9e Fixes timing of wrap. 2019-11-07 23:24:51 -05:00
Thomas Harte
b7c407be10 The palette is meant to be read/write. 2019-11-07 23:11:06 -05:00
Thomas Harte
f45798faf0 Corrects initial safe value of line_length_. 2019-11-07 22:53:26 -05:00
Thomas Harte
7c66d7a13c Corrects sync and line-length latch timings. 2019-11-07 22:53:04 -05:00
Thomas Harte
f9a35c6636 Corrects potential wrap error for non-single-byte targets. 2019-11-07 22:23:26 -05:00
Thomas Harte
5e1570258d I think the horizontal interrupt is blank, not sync. 2019-11-07 22:00:50 -05:00
Thomas Harte
fc8021c0b0 Adds a centre crop. 2019-11-07 20:02:45 -05:00
Thomas Harte
c9cd56915e Corrects typo that was adding an extra line of PAL video. 2019-11-07 19:55:49 -05:00
Thomas Harte
1fd19c5786 Attempts to add proper bus timing. 2019-11-07 19:55:00 -05:00
Thomas Harte
ce66b5fd9c Corrected member variable names. 2019-11-07 19:44:22 -05:00