SaxxonPike
1e5fe55f30
C64: Don't reallocate the SID filter buffer every time (purely perf)
2019-07-19 19:09:08 -05:00
SaxxonPike
a119420c79
C64: VC count enable seems to need to be delayed by 1 cycle after badline
...
- which doesn't affect normal operation
- which DOES affect VSP
2019-07-14 20:22:07 -05:00
SaxxonPike
4d6ed8d6c8
C64: Savestate should include the new variables
2019-07-14 16:32:53 -05:00
SaxxonPike
8e8d3a6a1b
C64: Writes to some registers on the VIC in phase 2 by the CPU should only take effect on the following cycle
2019-07-14 10:44:56 -05:00
SaxxonPike
e8902b829a
C64: Apparently the 6502X core needs interrupts delayed by a cycle, do that with IRQ and NMI
2019-07-14 10:43:52 -05:00
SaxxonPike
3bbfb98fc2
C64: Split out VIC IRQ delays
2019-07-13 19:28:44 -05:00
SaxxonPike
154eefd2ad
C64: Give BA/IRQ counting another go, seems to resolve many issues
2019-07-13 16:51:30 -05:00
SaxxonPike
db38d5e65b
C64: Try counting IRQ and BA correctly
2019-07-13 15:28:57 -05:00
SaxxonPike
f22c9b7abd
C64: CPU reads open bus when !AEC is asserted
2019-07-13 15:25:40 -05:00
SaxxonPike
894adbb610
C64: Remove an unused variable
2019-07-13 15:02:18 -05:00
SaxxonPike
76679bc8bc
C64: Use the correct background color in bitmapped modes for 0
2019-07-13 15:01:11 -05:00
SaxxonPike
bd20b355f0
C64: Writing to CPU port writes open bus data to 00/01
2019-07-13 14:06:23 -05:00
SaxxonPike
cae3340946
C64: No need to expose these with the CPU link in place
2019-07-13 12:53:34 -05:00
SaxxonPike
3369dbf43f
C64: IRQ is implemented as a delay line; no delay added (yet)
2019-07-13 12:51:39 -05:00
SaxxonPike
d39f3e2e61
6502X: pending IRQs are not delayed when !RDY is asserted
2019-07-13 12:31:09 -05:00
SaxxonPike
d62f2ac3fe
C64: 0F7 is a badline eligible raster (fixes 26-line text demo in Frodo test suite)
2019-07-13 01:41:58 -05:00
SaxxonPike
e6871b2cc3
C64: Move VIC raster IRQ to phase 1
2019-07-13 00:27:08 -05:00
SaxxonPike
dbf6b39e7f
C64: Split out VIC phase1/phase2
2019-07-12 23:51:55 -05:00
SaxxonPike
0a7dc52aa0
C64: BA and raster IRQ cleanup
2019-07-09 22:41:12 -05:00
SaxxonPike
3a135c7c26
C64: Raster interrupt bit can be set even if not enabled, just won't actually assert IRQ
2019-07-09 21:40:03 -05:00
SaxxonPike
e63d10b608
C64: Interrupts generated in phase 2 by the VIC won't trigger for the CPU until next cycle, also buffer BA
2019-07-09 20:55:14 -05:00
SaxxonPike
b471fdc692
C64: The CPU can trigger VIC badlines on its own (needed for VSP)
2019-07-09 20:53:54 -05:00
SaxxonPike
2abe832289
C64: AEC does not prohibit the CPU from functioning, only BA (RDY) does
2019-07-09 20:52:51 -05:00
SaxxonPike
a8fd85157c
VIC: Use correct color mapping for non-multicolor bitmap mode
2019-07-09 08:02:55 -05:00
SaxxonPike
83b6553749
VIC: Respect idle state background color registers, plus black in undocumented gfx mode
2019-07-09 06:58:13 -05:00
SaxxonPike
89fa153477
VIC: Resolve background color registers separately to color matrix memory
2019-07-09 06:55:55 -05:00
SaxxonPike
9f733d3e7a
VIC: More accurate pixel pipeline
2019-07-09 05:26:26 -05:00
SaxxonPike
6ed11de85b
C64: Soft/Hard reset: it's about time
2019-07-06 01:19:58 -05:00
SaxxonPike
400b04b690
C64: CIA was sometimes delaying too long to fire interrupts by 1 cycle.
...
- This could have implications for existing TASes (!)
2019-07-05 23:59:01 -05:00
SaxxonPike
69f8b143a3
C64: Foreground pixels are black when VIC is in idle state.
2019-07-05 21:05:38 -05:00
SaxxonPike
49b613962e
C64: Fix a typo disabling voice 3 when high pass filter is set
2019-07-04 17:32:35 -05:00
SaxxonPike
f45e934fec
C64: Reset the SID filter on hard reset.
2019-07-04 17:24:22 -05:00
SaxxonPike
579ffe5c25
C64: Had the flag with the wrong polarity. Thanks, C64Anabalt.
2019-07-04 14:20:12 -05:00
SaxxonPike
691577499f
C64: When a sprite is eligible for display, initialize it with the correct crunch state based on Y expansion
2019-07-04 14:12:46 -05:00
SaxxonPike
36ac592193
C64: Individual IRQ flags for S/S or S/D collisions are always set even if not eligible to assert IRQ externally
2019-07-04 13:59:41 -05:00
SaxxonPike
5c9445fb96
C64: Reuse some local memory in the sprite renderer.
2019-07-04 12:47:09 -05:00
SaxxonPike
2c804cab34
C64: Fix a function ambiguity in the CIA class.
2019-07-04 00:51:19 -05:00
SaxxonPike
2dd80eb0f4
C64: Implement more CIA features and CIA/VIA defaults.
2019-07-04 00:31:48 -05:00
SaxxonPike
32d59e8514
C64: Implement more VIA features.
2019-07-04 00:23:11 -05:00
SaxxonPike
7fbccb7a46
C64: Use write protection on G64 images (which are often copy protected), and disable it on D64 images.
2019-07-04 00:14:21 -05:00
SaxxonPike
4e1892d094
C64: Allow writing to disk.
2019-07-04 00:11:03 -05:00
SaxxonPike
e74dfe15a8
C64: VIA PB7 output timing adjusted to match datasheet.
2019-07-04 00:00:05 -05:00
James Groom
4e91f88af3
Use nameof in cores
2019-03-28 14:18:58 +11:00
Asnivor
6621827b8f
C64Hawk - reenable full border - #1341
2018-12-06 13:42:00 +00:00
Asnivor
d28e4e9f70
C64Hawk: Fix border issues - #1272 ( #1276 )
2018-08-21 22:30:04 +03:00
Scepheo
f3ea6fe025
Use generic interface type on MOS 6052X for talking to the emulator core ( #1189 )
...
* Use generic interface type on MOS 6052X for talking to the emulator core
* Change CpuLink constructors to not use expression-bodies, to get the AppVeyor build to pass.
* Add comment explaining why IMOS6502XLink exists.
2018-05-20 23:18:53 +03:00
nattthebear
e8145af463
i hope this breaks something
2018-05-12 12:55:42 -04:00
alyosha-tas
3d0ff89474
C64: Fix leaderboard Golf, but Serial Port interrupts need to be done correctly.
2018-03-11 11:44:15 -04:00
feos
fa5f34627a
forgot to save the file
2018-03-08 17:01:47 +03:00
feos
6887447c65
c64: colors that we updated to are probably incorrect. use the ones that pepto actually got
...
todo: sort this out
2018-03-08 16:57:47 +03:00