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Author SHA1 Message Date
Thomas Harte
278671cdb9 Correct Nick interrupt prediction. 2021-07-03 00:05:13 -04:00
Thomas Harte
964d2d4fa4 Be consistent in expression of logic. 2021-07-03 00:00:00 -04:00
Thomas Harte
f371221dba Add a quick test of tone generator 1. 2021-07-02 23:57:11 -04:00
Thomas Harte
27b0579ec6 Avoid stack-error test case. 
Also test that the interrupt is generated on the downward stroke.
 2021-07-02 23:55:43 -04:00
Thomas Harte
283092cfbc With a unit test in aid, corrects some lingering TimedInterruptSource issues. 2021-07-02 23:41:19 -04:00
Thomas Harte
614953a222 Allows the low-pass filter to react to high-pass effects. 2021-07-02 22:36:35 -04:00
Thomas Harte
4fffb3cf19 Allow that final Z80 cycle to start anywhere in the first three of Nick's window of six. 2021-07-02 22:29:35 -04:00
Thomas Harte
850aa2b23a
Merge pull request #956 from TomHarte/EnterpriseComposite 
Adds Enterprise composite video option.
 2021-07-02 22:22:09 -04:00
Thomas Harte
d715e5fd1d Expose composite/RGB option in Qt. 2021-07-02 21:51:48 -04:00
Thomas Harte
7826a26c7b Adds Enterprise composite video option. 
While enabling more pixels on the left for RGB mode.
 2021-07-02 21:42:09 -04:00
Thomas Harte
dc0a82cf9a
Merge pull request #955 from TomHarte/FAT12 
Adds a FAT12 parser.
 2021-07-02 21:33:54 -04:00
Thomas Harte
2e60c81bd6 Enter :dir as a complete command. 2021-07-02 21:15:48 -04:00
Thomas Harte
763b9ba0ec Ensure the splash screen is skipped for self-booting disks. 2021-07-02 21:11:54 -04:00
Thomas Harte
bae8bb0c00 Gives the FAT parser responsibility for right trims. 2021-07-02 19:50:27 -04:00
Thomas Harte
bcf483fb7e Adds some basic loading command assistance. 2021-07-02 19:42:43 -04:00
Thomas Harte
a5b7d819a7 Correct FAT parser. 2021-07-02 19:28:13 -04:00
Thomas Harte
fe07a0b1d8 Starts to add a FAT[12] parser. 2021-07-02 18:56:43 -04:00
Thomas Harte
d9231e5d4a
Merge pull request #954 from TomHarte/stddefRedux 
The FIRFilter interface depends upon size_t.
 2021-07-02 17:26:37 -04:00
Thomas Harte
b7aa1a1c84 The FIRFilter interface depends upon size_t. 2021-07-02 17:21:53 -04:00
Thomas Harte
32e144115d
Add missing article, plus other minor corrections. 2021-07-02 11:03:14 -04:00
Thomas Harte
177cc96f49
Merge pull request #953 from TomHarte/stddef 
Add missing stddef header where size_t is used.
 2021-07-01 23:29:56 -04:00
Thomas Harte
51d98ef9ab Add missing stddef header where size_t is used. 2021-07-01 23:15:32 -04:00
Thomas Harte
2327c48cc4
Merge pull request #952 from TomHarte/EnterpriseTyper 
Add typer support for the Enterprise.
 2021-07-01 22:59:04 -04:00
Thomas Harte
742d44a532 Switch to an activity-based typing trigger; add a target loading command. 2021-07-01 22:53:23 -04:00
Thomas Harte
52b96db2b9 Correct syntax, mapping and inter-key timing. 2021-07-01 21:18:15 -04:00
Thomas Harte
0b9de78c38 Add typer support for the Enterprise. 2021-07-01 21:05:03 -04:00
Thomas Harte
2c28cb8c57
Merge pull request #951 from TomHarte/EnterpriseMention 
Add Enterprise screenshots
 2021-06-30 22:24:43 -04:00
Thomas Harte
483fe82e9d Add a second image, to even things out. 2021-06-30 22:23:26 -04:00
Thomas Harte
29492d6138 Add an Enterprise screenshot. 2021-06-30 22:18:29 -04:00
Thomas Harte
19310e32c4
Adds the Enterprise 64/128 as a bullet-pointed item. 
No relevant screenshots yet.
 2021-06-30 08:06:20 -04:00
Thomas Harte
c04a395499
Merge pull request #950 from TomHarte/Enterprise 
Adds emulation of the Enterprise
 2021-06-29 21:37:38 -04:00
Thomas Harte
1c424833a9 Correct EXDOS ROM name. 2021-06-29 21:04:53 -04:00
Thomas Harte
a46ff5590d Adds Enterprise new machine dialogue for Qt. 2021-06-29 21:04:17 -04:00
Thomas Harte
ab059b63fd Add Enterprise to Qt project file. 2021-06-29 20:36:28 -04:00
Thomas Harte
3d8fc9952d Remove dead TODO, correct for overflow position. 2021-06-29 15:44:02 -04:00
Thomas Harte
8ce8fbd977 Provide correct input when one of the tone generators is the interrupt source. 2021-06-29 15:41:08 -04:00
Thomas Harte
7f08218b28 The Nick interrupt input also seems to be a live poll, not a retrieval of the mask. 
This corrects the two pieces of software I knew not to be working.
 2021-06-28 22:10:11 -04:00
Thomas Harte
2c139ad931 Adds some notes to self. 
I think I'm starting to find enough information to handle tapes.
 2021-06-28 22:03:06 -04:00
Thomas Harte
1119779c8b Ensure EXDOS card is completely disabled if no FDC is present. 2021-06-28 21:47:53 -04:00
Thomas Harte
5351ac560f Ensure the motor goes off for unselected drives. 2021-06-28 21:40:12 -04:00
Thomas Harte
49f0ab0f15 Add note to self. 
Although I still think there may be some issue lurking.
 2021-06-28 21:31:55 -04:00
Thomas Harte
a5c57e777e VRES appears to work negatively in attribute mode too. 2021-06-28 21:24:13 -04:00
Thomas Harte
3c59042388 Fixes initial state for 1kHz. 2021-06-28 21:08:41 -04:00
Thomas Harte
919e211bc4 Reduces number of interrupt-related sequence points. 2021-06-28 19:30:12 -04:00
Thomas Harte
daa0737ce4 Ensure addresses tick upwards even during sync/burst; correct 2/4/8bpp character sizing. 2021-06-28 19:00:51 -04:00
Thomas Harte
36805cb120 Correct tone channel interrupts, remove dead warning. 2021-06-27 23:21:00 -04:00
Thomas Harte
7de69e9874 Makes an attempt to round out the timed interrupts. 2021-06-27 23:09:11 -04:00
Thomas Harte
b93575bbcc Spots that b0 and b2 of 0xb4 are 'dividers', not enables. 2021-06-27 22:33:20 -04:00
Thomas Harte
116e0f0105 Interupts 1kHz and 50Hz interrupts, while edging towards tone generator interrupts. 2021-06-27 22:08:38 -04:00
Thomas Harte
e4a650aaff Implements the 1Hz interrupt. 2021-06-27 21:47:21 -04:00