beirich
2aef2b8606
68000: savestate support (text)
2012-05-21 04:44:36 +00:00
brandman211
9623f073eb
Added a logging flag for GB using the SaveStateText function.
2012-05-20 06:43:41 +00:00
beirich
d322c3c00f
Fix some bugs responsible for out-of-bounds array access crash on ym2612
2012-04-29 01:40:38 +00:00
zeromus
b1d62ed574
6502-add some opcodes not handled by the instruction tests, but which are cursorily covered by the instr_timing test, which now passes
2012-04-18 08:04:06 +00:00
zeromus
97b66a907f
6502-implement undocumented opcodes. pass all instruction tests
2012-04-18 05:22:58 +00:00
zeromus
d3321f552f
nes accuracy fixes
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- pass more apu_test 4-jitter and 6-irq_flag_timing (necessary for timing on other tests)
- pass all cpu interrupt tests
- pass all sprite hit tests
2012-03-25 09:25:27 +00:00
zeromus
0cf6b0bcb7
switch atari 2600 to new 6502 core
2012-03-24 03:45:47 +00:00
pjgat09
5e65c7e977
TIA: Removed code for cosmic ark starfield (to be added back later, in a cleaner way). Changed the definition of a frame to start with the first scanline where VSYNC is disabled.
...
MOS6507: Fixed a copy-paste mistake with SBC instructions where it would remove another cycle. This fixes the screen bounce issue with pitfall.
2012-03-20 22:45:15 +00:00
zeromus
471b3ffb98
nes-fix soft reset functionality which had got broken when i upgraded the cpu core
2012-03-18 03:46:06 +00:00
zeromus
2b21ca7127
add new, more detailed 6502X cpu core, use it in the nes core as experiment. win almost all the speed back, pass some more tests.
2012-03-15 21:28:37 +00:00
zeromus
20a242c27e
sync mos6502 from my last core generator checkin
2012-03-15 20:40:50 +00:00
pjgat09
32bc215c2e
MOS6507: Hacked in BCD mode (borrowed from HuC6280). Pitfall's time counter now works correctly
2012-03-14 16:03:14 +00:00
beirich
ca47082737
fix some PCE savestate desyncs
2012-03-12 00:14:44 +00:00
pjgat09
23cb513188
MOS6507: adjusted for instructions with a variable cycle count
2012-03-11 07:08:48 +00:00
pjgat09
84a11eacdf
Switched over to using the 6507 to allow for some modifications to the CPU
...
MOS6507: now executes instructions on the last cycle. This corrects a syncing issue with the TIA
TIA: added ball data, partially implemented HMOVE, implemented VBLANK
2012-03-11 03:22:44 +00:00
beirich
bc2e7995cc
clone 6502 into 6507
2012-03-11 03:09:43 +00:00
taotao54321
c6fcda4418
6502 disassembler: print the destination address of branch, not the offset
2012-03-10 19:10:12 +00:00
taotao54321
9ab33cba8b
6502: partially implemented unofficial NOPs for "Puzznic (U)", "Puzznic (J)".
...
It is quite insufficient, but at least, we have to increment program counter appropriately.
For immediate addressing mode, it will be correct. For other addressing modes, I don't know whether they access memory, so further investigation will be needed.
2012-03-08 16:48:36 +00:00
taotao54321
26ff1a1bc5
cosmetics (indent for BRK opcode)
2012-03-08 15:33:52 +00:00
zeromus
fd6ac896fc
general cleanup.. remove a bunch of warnings.. improve log console system a bit.. add new icons for log console window.. remove old demo psx interop system and add new, simpler one, which isnt really tested yet but is way less annoying.
2012-02-24 20:38:35 +00:00
zeromus
5f66de57ec
discohawk-add capability for searching for mis-extensioned files (broadens compatibility a bit) and autodetecting audio tracks based on extension where otherwise marked as binary.
2012-01-21 21:23:19 +00:00
beirich
51f2e28e1b
68000: fix ASL/ASR bug. Correct calculation of carry flag on subtracty operations
2011-10-30 15:35:14 +00:00
beirich
b4793ec43c
68000: flags were not calculated in EXT
2011-10-27 04:15:16 +00:00
beirich
7ae6dfb534
68000: implement CMPM
2011-10-27 04:02:11 +00:00
beirich
e96912dab0
68000: fix dumb MULS/MULU/DIVS/DIVU bug
2011-10-27 03:06:33 +00:00
beirich
5a5a424cc7
gen: some work on renderer.
2011-10-18 03:48:37 +00:00
beirich
0924ad07fd
68000: fix bug in CMP instruction >_>
2011-10-13 02:38:23 +00:00
beirich
7cedd71729
68000: fix bug with ADDQ.W/SUBQ.W operating on address registers
2011-10-12 02:20:03 +00:00
beirich
04b93b5b8b
erp, disable insanely slow 68000 logging in the checked-in version
2011-10-11 04:03:06 +00:00
beirich
5b5c7c2890
68000: add MULU, MULS, DIVU, DIVS, MOVE to CCR
...
Some genesis source reorganization
2011-10-11 03:52:44 +00:00
beirich
c787b70613
68000: implement EORI, ROXL, ROXR. Fix bugs on ADDI.L and SUBI.L. Complete MOVA timings. Work on An/PC Indexed addressing modes.
2011-10-09 19:15:31 +00:00
beirich
2d2bfae611
68000: implement NEG, fix bug on ANDI.L
2011-10-09 06:19:59 +00:00
beirich
a1d8e9a209
68000: implement UNLK, RTE, TRAP, ANDI to SR, and EORI to SR
2011-10-09 03:51:57 +00:00
beirich
1c38de023e
68000: implement BSET, BCLR, BCHG, and NOT
2011-10-08 23:26:29 +00:00
beirich
18de3c9efc
68000: implement AND, OR, EOR. Fix interrupt bug. Fix bug with SR register
2011-10-08 19:57:22 +00:00
beirich
ccea71e74d
68000: interrupt support.
...
gen: fire vertical interrupt, now some games show sega logo before immediately crashing!
2011-10-08 15:44:41 +00:00
beirich
18a3f3f87a
68000: more flags fixes, especially N flag calculation. derp. :|
2011-10-07 05:13:15 +00:00
beirich
575a8940cb
68000: more add/sub flags fixes
2011-10-07 04:21:20 +00:00
beirich
f2ca21759c
68000 timings and flags fixes, some new opcode handlers
2011-10-07 03:04:48 +00:00
beirich
8fb8a35317
Genesis core revive! Get it back to where loading a genesis rom doesnt crash everything immediately
2011-10-01 17:06:25 +00:00
beirich
cf8216ac46
pce-cd: basically working pretty okay! (fixed bug causing issues with extended ADPCM playback sequences)
2011-09-28 05:03:22 +00:00
beirich
f3dc6068ce
delete extra/external 68k core
2011-09-27 02:46:23 +00:00
beirich
9aa70c4fa9
Much improved pce-cd savestateyfulness
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Cleanup and stateyness of SCSI bus still in progress; states not done yet
2011-09-16 04:59:59 +00:00
beirich
a8aaaef45e
[PCE] ADPCM playback more or less working correctly now
...
plus some cleanup
2011-09-05 17:45:01 +00:00
beirich
8571853828
still-in-the-midst-of-it turbocd check-in
2011-08-29 02:47:03 +00:00
beirich
0a5157d9a6
Extremely preliminary TurboCD support
2011-08-14 18:20:13 +00:00
beirich
91baebf8b2
[PCE] Implement ORA under T-Flag, fixes City Hunter
2011-07-23 21:24:43 +00:00
beirich
47def064fa
significant PCE timing/compat improvements, still poking at a few things
2011-07-19 03:53:07 +00:00
beirich
3f27ac0b2a
Fix PCE Populous by supporting its custom SaveRAM.
...
+ Unsubstantial TurboCD progress.
2011-07-15 02:08:18 +00:00
beirich
c8727ae01f
fix some gamedb stuff, add some genesis games to db, get genesis back to a state where it at least loads roms correctly
2011-07-10 04:54:18 +00:00
zeromus
14cbe68303
fix 6502 disassembly
2011-06-10 03:43:17 +00:00
zeromus
72100bd304
[NES] ELROM emulation (cv3 and laser invasion tested) and core savestate logic brought up to date. savestates for newer mappers still need reworking.
2011-06-09 19:45:07 +00:00
zeromus
d0ea2f7106
[NES] one last cpu bug
2011-06-07 01:31:06 +00:00
zeromus
00debfe6dd
[NES] battletoads beyotch
2011-06-07 01:05:57 +00:00
zeromus
e6afb2359b
[nes] timing and accuracy work.
2011-06-06 10:27:42 +00:00
zeromus
db28312787
[NES] fully consolidated text/binary serialization, and don't save screen buffer to binary savestates
2011-04-17 22:51:53 +00:00
zeromus
35f339149c
remove stupid jscript dependency in core emulator
2011-04-17 08:49:49 +00:00
zeromus
9fd79ee576
[ARM] and some long overdue cleanup
2011-04-04 05:24:12 +00:00
zeromus
e78708213c
[ARM] add handful of floating point instructions and most importantly: NOP!
2011-04-04 05:13:45 +00:00
zeromus
510e52271b
[ARM]
2011-04-03 07:58:12 +00:00
zeromus
5cd5e799a6
add 5% of the world's slowest ARM cpu emulator
2011-04-03 05:24:31 +00:00
zeromus
2fe2aae243
[NES] rewind for the masses
2011-03-21 02:22:10 +00:00
zeromus
6493b65690
[NES] fix some input bugs
2011-03-20 02:25:47 +00:00
zeromus
f7bf5bdd17
[NES] fix some interrupt-related bugs to pass more cpu tests, add reset handling, improve iNES header handling some more
2011-03-20 02:12:10 +00:00
zeromus
c7f0c457ad
[NES] work on sound, improve square waves muchly, add 6502 IRQ signal, make add some infrastructure to keep from buffering samples while core is silenced.
2011-03-19 09:12:56 +00:00
beirich
0a354c2748
PCE: Fix a bug in the timer; fix glitch in VBlank interrupt handling (fixing intro in Dungeon Explorer)
2011-03-19 06:00:33 +00:00
beirich
d211a6d3c5
PCE: Fix timer issue causing Battle Royale to break
2011-03-18 04:24:31 +00:00
beirich
5c9ee84ed4
PCE minor updates
2011-03-18 03:39:11 +00:00
beirich
3cdd222f51
HuC6280: Fix glitch in low-speed mode
2011-03-17 05:54:21 +00:00
beirich
4c9057060b
HuC6280: Implement high/low speed modes
2011-03-17 04:29:46 +00:00
beirich
ac3acfd721
oops, didn't get rid of all the 1-cycle page boundary penalties
2011-03-13 02:32:13 +00:00
beirich
420bad0a2e
HuC6280: Accepting an interrupt takes 8 cycles; Correcting handling of T flag on RTI and PLP instructions; 1-cycle penalty for accesses across page boundaries does not apply
2011-03-13 02:22:29 +00:00
beirich
e07349c582
[PCE] improve cpu instruction timing
2011-03-06 06:06:49 +00:00
zeromus
0d5cff7408
[NES] mapper cleanup and savestates
2011-03-01 09:32:12 +00:00
zeromus
c21d92f694
[NES] add SxROM (mmc1), including save ram support. also add some undocumented NOP variants to 6502 core because I thought I needed them
2011-03-01 07:25:14 +00:00
zeromus
ee336bec15
[NES] add 6502 BRK instruction and some mapper=2 games (incl. castlevania and megaman)
2011-02-28 07:53:19 +00:00
beirich
dd109b76da
[PCE] Implement T-flag operation of AND instruction, mostly fixing Legendary Axe
2011-02-27 16:41:48 +00:00
zeromus
4e85d82f14
update 6502 core generator legit-like
2011-02-27 09:49:53 +00:00
zeromus
c5febf8e20
neshawk!! emulate attractmode without bugs = initial checkin
2011-02-27 09:45:50 +00:00
beirich
d381be67a6
[PCE] Convert memory mappers from 16-bit addressing to 21-bit addressing
2011-02-26 23:02:34 +00:00
zeromus
8f59b1f582
restore gb core to some semblance of working order, and hook up its debugger; and add the newer, improved Z80A (but not the Z80GB, ironically) disassembler
2011-01-20 06:24:31 +00:00
beirich
3c8236fd32
PAL support for SMS
2011-01-13 06:10:50 +00:00
beirich
89e4c5a674
2011-01-11 02:55:51 +00:00