Thomas Harte
|
e01f3f06c8
|
Completed curly bracket movement.
|
2017-03-26 14:34:47 -04:00 |
|
Thomas Harte
|
3229502fa1
|
Standardised curly bracket placement across the Atari.
|
2017-03-23 21:59:16 -04:00 |
|
Thomas Harte
|
a26b87f348
|
Fixed: mistake was failure to count ready cycles.
|
2017-03-20 20:44:03 -04:00 |
|
Thomas Harte
|
4c3cc42c91
|
This gives a very noisy version of the real audio.
|
2017-03-20 20:38:29 -04:00 |
|
Thomas Harte
|
f3f4e1a541
|
Made a first, hacky, attempt at audio.
|
2017-03-20 19:35:51 -04:00 |
|
Thomas Harte
|
4722f6b5c4
|
Fixed sprite disappearance: test should be applied predecrement, not post — it relates to the address being used this access, not the next one.
|
2017-03-19 18:58:35 -04:00 |
|
Thomas Harte
|
7d8d1c7828
|
Fixed 'random' number generator.
|
2017-03-19 18:54:35 -04:00 |
|
Thomas Harte
|
4bb70e7d31
|
Resetting the mask upon low byte write appears to resolve some issues.
|
2017-03-19 18:49:37 -04:00 |
|
Thomas Harte
|
321030bb44
|
Added a slightly faulty but seemingly 'close' version of masking.
|
2017-03-19 18:28:06 -04:00 |
|
Thomas Harte
|
6c161b1150
|
This gives something that might be the correct background.
|
2017-03-19 17:49:48 -04:00 |
|
Thomas Harte
|
d5c37c8619
|
Shushed a little, so as to be able to see a reasonable amount of output during my lifetime.
|
2017-03-19 17:38:54 -04:00 |
|
Thomas Harte
|
7c66c36d3f
|
Attempted at least to manage appropriate data storage.
|
2017-03-19 17:31:08 -04:00 |
|
Thomas Harte
|
031a68000a
|
Added a class to contain the Pitfall 2 pager and a skeleton of initial work.
|
2017-03-18 22:08:47 -04:00 |
|
Thomas Harte
|
c3d82f88a5
|
Tidied up and commented on the Activision stack implementation.
|
2017-03-18 21:01:58 -04:00 |
|
Thomas Harte
|
c033bad0b9
|
Here's MNetwork!
|
2017-03-18 20:51:49 -04:00 |
|
Thomas Harte
|
c31d85f820
|
Re-emplaced the MegaBoy. Also cut detritus from the main Atari header.
|
2017-03-18 19:02:34 -04:00 |
|
Thomas Harte
|
217fbf257e
|
CBS RAM Plus returns.
|
2017-03-18 18:56:20 -04:00 |
|
Thomas Harte
|
0b611a14b9
|
Tigervision paging returns.
|
2017-03-18 18:50:13 -04:00 |
|
Thomas Harte
|
df6861c9dc
|
Parker Bros paging is back.
|
2017-03-18 18:21:01 -04:00 |
|
Thomas Harte
|
a4cd12394e
|
Reinstated the Activision stack pager.
|
2017-03-18 18:03:48 -04:00 |
|
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.
|
2017-03-18 17:04:01 -04:00 |
|
Thomas Harte
|
e8d34f2eb4
|
Having farmed out the bus, the Atari itself no longer is/owns a 6502.
|
2017-03-18 16:34:41 -04:00 |
|
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 |
|
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 |
|
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 |
|
Thomas Harte
|
97a8a96593
|
Rejigged how the memory map is handled and implemented MNetwork support.
|
2017-03-14 20:07:54 -04:00 |
|
Thomas Harte
|
3b29276228
|
Implemented the MegaBoy paging scheme.
|
2017-03-14 17:40:01 -04:00 |
|
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 |
|
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 |
|
Thomas Harte
|
4751615623
|
Fixed NTSC colour cycle count, and hence the 2600's reported line lengths and phase offset.
|
2017-03-04 17:31:39 -05:00 |
|
Thomas Harte
|
d3257c345a
|
Tested against public ROMs and corrected. Also moved the deferred adjustment into a more canonical place.
|
2017-03-04 17:00:28 -05:00 |
|
Thomas Harte
|
837cccdf83
|
Switched to deferred updates for the 6532.
|
2017-03-04 14:58:28 -05:00 |
|
Thomas Harte
|
93d1573481
|
Added a fix for certain homebrews.
|
2017-03-01 07:59:25 -05:00 |
|
Thomas Harte
|
893a5dd007
|
Added an artificial low pass filter, attempting to capture post-digital effects.
|
2017-02-28 21:29:55 -05:00 |
|
Thomas Harte
|
06dd98b23c
|
Pulled the reset time for horizontal blank extend up to position 224.
|
2017-02-28 20:28:54 -05:00 |
|
Thomas Harte
|
184c8ae707
|
Extended to emulate the CommaVid.
|
2017-02-27 20:50:59 -05:00 |
|
Thomas Harte
|
9d7985c1e1
|
Added Super Chip emulation.
|
2017-02-26 17:47:29 -05:00 |
|
Thomas Harte
|
e6a84fd26b
|
Attempted a hardware-correct implementation of missile-to-player latching. This completes the last of the **knowing** inaccuracies. The rest are as-of-yet unwitting.
|
2017-02-26 15:12:31 -05:00 |
|
Thomas Harte
|
440467ea3e
|
Started communicating which copy is being requested.
|
2017-02-26 13:39:25 -05:00 |
|
Thomas Harte
|
98376de9ad
|
Started returning 'no effect' for pot ports, rather than doing nothing. Still very much TODO though.
|
2017-02-25 22:58:58 -05:00 |
|
Thomas Harte
|
e61e355251
|
Moved to the maximum possibly required queue length of 4. Though the emulated 2600 should never need more than 2 slots as per the current calling pattern, it's not a contractual guarantee.
|
2017-02-25 17:25:10 -05:00 |
|