Thomas Harte
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13f7aa4063
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The TIA is now a ClockReceiver.
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2017-07-24 21:48:34 -04:00 |
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Thomas Harte
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b7f88e8f61
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Filter is now a ClockReciever, affecting all sound output devices.
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2017-07-24 21:29:13 -04:00 |
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Thomas Harte
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2ff157cf7a
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Switched CRTMachine over to use Cycles as an explicit statement of units, and followed through on the effects of that.
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2017-07-22 22:17:29 -04:00 |
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Thomas Harte
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83628b285b
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Experimentally turned the 6502 into a clock receiver. No problem encountered.
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2017-07-22 21:52:21 -04:00 |
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Thomas Harte
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37459a3ebc
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Fixed parameter shadowing.
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2017-07-21 21:51:18 -04:00 |
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Thomas Harte
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2562306802
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Merge branch 'master' into Z80
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2017-05-16 21:05:00 -04:00 |
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Thomas Harte
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2ee8a7056e
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Corrected TIA no longer to assume phase is an automatic quarter askew.
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2017-05-16 20:43:28 -04:00 |
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Thomas Harte
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eb8a2de5d6
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Settled definitively on flush as more communicative than synchronise (and slightly more locale neutral); culled some more duplication from the Z80.
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2017-05-15 07:38:59 -04:00 |
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Thomas Harte
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0808e9b6fb
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Pulled the 6502 into a CPU namespace, making it an instance of something that has micro-opcodes and schedules them, and factoring out the formulation of a register pair.
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2017-05-14 22:08:15 -04:00 |
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Thomas Harte
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ed6b135015
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Made final switch to permit high-sampling rate Atari audio.
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2017-04-15 21:18:00 -04:00 |
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Thomas Harte
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f95015c7f6
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Pulled out the divisor for audio.
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2017-04-03 21:16:39 -04:00 |
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Thomas Harte
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814c0ada13
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Fixed action counts for border motion.
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2017-03-26 18:33:05 -04:00 |
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Thomas Harte
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dfc468f220
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Locked down all initial state.
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2017-03-26 15:47:04 -04:00 |
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Thomas Harte
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3229502fa1
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Standardised curly bracket placement across the Atari.
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2017-03-23 21:59:16 -04:00 |
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Thomas Harte
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a26b87f348
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Fixed: mistake was failure to count ready cycles.
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2017-03-20 20:44:03 -04:00 |
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Thomas Harte
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4c3cc42c91
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This gives a very noisy version of the real audio.
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2017-03-20 20:38:29 -04:00 |
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Thomas Harte
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f3f4e1a541
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Made a first, hacky, attempt at audio.
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2017-03-20 19:35:51 -04:00 |
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Thomas Harte
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4722f6b5c4
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Fixed sprite disappearance: test should be applied predecrement, not post — it relates to the address being used this access, not the next one.
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2017-03-19 18:58:35 -04:00 |
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Thomas Harte
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7d8d1c7828
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Fixed 'random' number generator.
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2017-03-19 18:54:35 -04:00 |
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Thomas Harte
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4bb70e7d31
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Resetting the mask upon low byte write appears to resolve some issues.
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2017-03-19 18:49:37 -04:00 |
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Thomas Harte
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321030bb44
|
Added a slightly faulty but seemingly 'close' version of masking.
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2017-03-19 18:28:06 -04:00 |
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Thomas Harte
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6c161b1150
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This gives something that might be the correct background.
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2017-03-19 17:49:48 -04:00 |
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Thomas Harte
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d5c37c8619
|
Shushed a little, so as to be able to see a reasonable amount of output during my lifetime.
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2017-03-19 17:38:54 -04:00 |
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Thomas Harte
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7c66c36d3f
|
Attempted at least to manage appropriate data storage.
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2017-03-19 17:31:08 -04:00 |
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Thomas Harte
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031a68000a
|
Added a class to contain the Pitfall 2 pager and a skeleton of initial work.
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2017-03-18 22:08:47 -04:00 |
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Thomas Harte
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c3d82f88a5
|
Tidied up and commented on the Activision stack implementation.
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2017-03-18 21:01:58 -04:00 |
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Thomas Harte
|
c033bad0b9
|
Here's MNetwork!
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2017-03-18 20:51:49 -04:00 |
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Thomas Harte
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c31d85f820
|
Re-emplaced the MegaBoy. Also cut detritus from the main Atari header.
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2017-03-18 19:02:34 -04:00 |
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Thomas Harte
|
217fbf257e
|
CBS RAM Plus returns.
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2017-03-18 18:56:20 -04:00 |
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Thomas Harte
|
0b611a14b9
|
Tigervision paging returns.
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2017-03-18 18:50:13 -04:00 |
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Thomas Harte
|
df6861c9dc
|
Parker Bros paging is back.
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2017-03-18 18:21:01 -04:00 |
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Thomas Harte
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a4cd12394e
|
Reinstated the Activision stack pager.
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2017-03-18 18:03:48 -04:00 |
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Thomas Harte
|
e0bca1e37b
|
Reinstated the 16 and 32 kb Atari pagers, and ensured the 6532 always starts in a valid state.
|
2017-03-18 17:34:34 -04:00 |
|
Thomas Harte
|
55ce851bb2
|
Fixed types of the 8k cartridges, ensured the 6502 starts without an IRQ request history.
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2017-03-18 17:04:01 -04:00 |
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Thomas Harte
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e8d34f2eb4
|
Having farmed out the bus, the Atari itself no longer is/owns a 6502.
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2017-03-18 16:34:41 -04:00 |
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Thomas Harte
|
bb3daaa99b
|
Sought to reintroduce the Atari 8k paging scheme, at the same time deciding to do away with the copy and paste of holding on to ROM data.
|
2017-03-18 15:04:01 -04:00 |
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Thomas Harte
|
36b58d03b7
|
Formalised read bus value guarantee from the 6502, fixed missing clock signal wiring on the Atari cartridge class, reintroduced CommaVid support.
|
2017-03-18 14:46:46 -04:00 |
|
Thomas Harte
|
7958459db9
|
In theory unpaged cartridges should now work. Time to debug.
|
2017-03-18 14:01:04 -04:00 |
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Thomas Harte
|
14a76af0d3
|
Started trying to float out bus control to cartridges.
|
2017-03-17 20:28:07 -04:00 |
|
Thomas Harte
|
afbd9fd41b
|
Fixed declared line length.
|
2017-03-14 21:33:38 -04:00 |
|
Thomas Harte
|
7302703039
|
Implemented the Activision stack paging scheme.
|
2017-03-14 20:24:05 -04:00 |
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Thomas Harte
|
97a8a96593
|
Rejigged how the memory map is handled and implemented MNetwork support.
|
2017-03-14 20:07:54 -04:00 |
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Thomas Harte
|
3b29276228
|
Implemented the MegaBoy paging scheme.
|
2017-03-14 17:40:01 -04:00 |
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Thomas Harte
|
b3632a4e86
|
Institutes CBS RAM Plus emulation.
|
2017-03-14 17:25:10 -04:00 |
|
Thomas Harte
|
f0d944847b
|
Fixed setting of the second 1kb.
|
2017-03-11 18:16:29 -05:00 |
|
Thomas Harte
|
add14fb43a
|
Made an attempt to implement Tigervision paging.
|
2017-03-11 17:44:35 -05:00 |
|
Thomas Harte
|
33bda2d40c
|
Switched to image inspection for RAM guesses rather than disassembly. Which fixes the other Parker Bros titles.
|
2017-03-11 13:04:23 -05:00 |
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Thomas Harte
|
2b5e3a600e
|
Made a first attempt at implementing the Parker Bros pager within the emulation.
|
2017-03-11 12:43:12 -05:00 |
|
Thomas Harte
|
9c72ce5bd2
|
Ensured a settling delay is permitted before an NTSC/PAL decision is made. To avoid false switches just due to startup.
|
2017-03-06 19:37:35 -05:00 |
|
Thomas Harte
|
79784a8e57
|
Followed tip: missiles are locked to the position after four output pixels, not four input pixels.
|
2017-03-04 22:23:50 -05:00 |
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