log

age author description
Sun, 02 Jun 2013 13:42:33 -0700 Mike Pavone Use signed ints for things that represent signed values in YM2612 core
Sun, 02 Jun 2013 00:00:22 -0700 Mike Pavone Fix register to operator mapping. Fix rate table generation. Add TL to envelope value rather than using it as a limit for the attack phase.
Fri, 31 May 2013 21:30:11 -0700 Mike Pavone Fix left/right enable default value
Fri, 31 May 2013 20:47:34 -0700 Mike Pavone Make the n command in the Z80 debugger actually run the next instruction without needing a c command
Fri, 31 May 2013 20:46:56 -0700 Mike Pavone Fix P condition in Z80 core
Fri, 31 May 2013 19:43:13 -0700 Mike Pavone Partial implementation of Z80 debugger
Wed, 29 May 2013 21:21:14 -0700 Mike Pavone Actually save the shifted phase inc after applying the block shift
Wed, 29 May 2013 00:57:19 -0700 Mike Pavone Incredibly broken YM2612 support plus a fix to Z80 bus request
Wed, 29 May 2013 00:13:48 -0700 Mike Pavone Fix push AF
Mon, 27 May 2013 22:19:11 -0700 Mike Pavone YM2612 WIP update
Mon, 27 May 2013 20:56:02 -0700 Mike Pavone Fix deadlock on quit
Mon, 27 May 2013 20:37:55 -0700 Mike Pavone Fix sizeof expression passed to malloc in z80_init to avoid a minor memory error
Mon, 27 May 2013 09:54:58 -0700 Mike Pavone YM2612 WIP snapshot before register refactor
Fri, 24 May 2013 00:41:54 -0700 Mike Pavone Make Z80 writes to VDP/PSG not potentially crash the emulator
Fri, 24 May 2013 00:26:27 -0700 Mike Pavone Allow VDP/PSG writes from Z80
Thu, 23 May 2013 23:55:42 -0700 Mike Pavone Get rid of debug puts and limit based on audio rather than frame rate by default.
Thu, 23 May 2013 23:51:49 -0700 Mike Pavone Fix clipping in PSG core
Thu, 23 May 2013 23:42:42 -0700 Mike Pavone Initial PSG support. Mostly works, noise channel is borked though.
Wed, 22 May 2013 09:37:02 -0700 Mike Pavone Updated todo list
Tue, 21 May 2013 23:29:48 -0700 Mike Pavone Finish SRAM support for games without a SEGA mapper
Tue, 21 May 2013 22:08:59 -0700 Mike Pavone Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Tue, 21 May 2013 19:26:20 -0700 Mike Pavone Refactor code gen for read/write functions
Tue, 21 May 2013 01:14:59 -0700 Mike Pavone Fix some minor copy pasta bugs that resulted in an unnecessary REX prefix being generated for some instructions
Tue, 21 May 2013 01:10:04 -0700 Mike Pavone m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S
Tue, 21 May 2013 00:56:56 -0700 Mike Pavone Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions
Sun, 19 May 2013 18:40:34 -0700 Mike Pavone Fix a region detection bug
Sun, 19 May 2013 13:47:47 -0700 Mike Pavone Don't sync the 68K clock to the VDP clock unless the 68K had to wait for the VDP. This unfortunately breaks the direct color DMA demos, but should be more correct overall.
Sun, 19 May 2013 11:38:15 -0700 Mike Pavone Handle busack across frame boundary
Sat, 18 May 2013 11:44:42 -0700 Mike Pavone Mostly working runtime generation of memory map read/write functions
Thu, 16 May 2013 09:37:53 -0700 Mike Pavone Get frame time correct and frame rate sort of correct for EUR region
Wed, 15 May 2013 23:51:22 -0700 Mike Pavone Support regions other than USA
Wed, 15 May 2013 23:32:21 -0700 Mike Pavone Set window title based on ROM header name
Wed, 15 May 2013 22:39:36 -0700 Mike Pavone Increase sample size for min_delay
Wed, 15 May 2013 22:37:25 -0700 Mike Pavone Re-enable frame limit, but add a command line flag to disable it
Wed, 15 May 2013 22:37:04 -0700 Mike Pavone Fix background color regsiter number
Tue, 14 May 2013 22:52:15 -0700 Mike Pavone Fix a stupid bug in z80 busreq acknowledge delay code and make some small improvements there too
Tue, 14 May 2013 21:59:56 -0700 Mike Pavone Some Z80 interrupt fixes
Tue, 14 May 2013 00:46:34 -0700 Mike Pavone Only latch video mode at the very beginning of the frame to avoid problems with the cycle count getting out of sync with what I expect
Tue, 14 May 2013 00:40:10 -0700 Mike Pavone Update Z80 vint timing
Tue, 14 May 2013 00:28:45 -0700 Mike Pavone Update hv counter calculation for clock wonkiness
Tue, 14 May 2013 00:03:26 -0700 Mike Pavone Fixup VINT cycle and HBLANK flag for the previous timing fixes
Mon, 13 May 2013 23:42:52 -0700 Mike Pavone Initial stab at implementing funky clock adjustments during HSYNC for H40 mode
Mon, 13 May 2013 21:52:33 -0700 Mike Pavone Implement first line/last line weirdness in VDP
Mon, 13 May 2013 21:36:33 -0700 Mike Pavone Fewer magic numbers in the VDP core for the win
Mon, 13 May 2013 21:06:08 -0700 Mike Pavone Added some basic VDP debugging features to debugger. Fixed DMA enable bug
Mon, 13 May 2013 21:05:49 -0700 Mike Pavone Added more 68K test cases
Sun, 12 May 2013 01:34:29 -0700 Mike Pavone Fixed decoding of CHK destination
Sun, 12 May 2013 01:34:17 -0700 Mike Pavone Fix retrun address calculation for CHK exceptions
Sat, 11 May 2013 23:59:20 -0700 Mike Pavone Properly mask sprite X and Y coordinates
Sat, 11 May 2013 22:45:05 -0700 Mike Pavone Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview.
Sat, 11 May 2013 21:19:31 -0700 Mike Pavone Don't update interrupt mask on non-interrupt exceptions
Sat, 11 May 2013 01:57:41 -0700 Mike Pavone Fix check for code writes
Sat, 11 May 2013 01:38:57 -0700 Mike Pavone Port instruction retranslation improvements from Z80 core to M68K core
Fri, 10 May 2013 23:16:06 -0700 Mike Pavone Implement hblank flag in status register
Fri, 10 May 2013 22:57:56 -0700 Mike Pavone Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port.
Thu, 09 May 2013 20:59:49 -0700 Mike Pavone Add YM2612 stubs to transz80
Thu, 09 May 2013 20:09:49 -0700 Mike Pavone Fix return address for RST
Thu, 09 May 2013 19:38:28 -0700 Mike Pavone Show absolute addresses for JR, JRCC and DJNZ in Z80 disassembler
Thu, 09 May 2013 19:24:18 -0700 Mike Pavone Fix terminal instruction detection in disassembler
Thu, 09 May 2013 18:36:21 -0700 Mike Pavone Properly handle instructions that use boty IYH and IYL
Thu, 09 May 2013 00:33:06 -0700 Mike Pavone Set the N flag to the correct value for DEC instructions
Thu, 09 May 2013 00:30:55 -0700 Mike Pavone Implement carry flag for shift instructions. Implement weird behavior for bit 0 of SLL. Fix missing break statement in SRL.
Thu, 09 May 2013 00:17:12 -0700 Mike Pavone Correctly set the N flag for SBC
Thu, 09 May 2013 00:14:54 -0700 Mike Pavone Deal with the fact that there's no 8-bit version of the BT family of instructions on x86
Wed, 08 May 2013 23:44:49 -0700 Mike Pavone Complete flag behavior for Z80 BIT instruction
Wed, 08 May 2013 23:31:19 -0700 Mike Pavone Properly handle negative displacements in Z80 core
Wed, 08 May 2013 23:29:21 -0700 Mike Pavone Contrary to the official documenation, OR and AND also set PV based on parity instead of overflow
Wed, 08 May 2013 23:20:41 -0700 Mike Pavone Set PV flag based on parity, not overflow for XOR
Wed, 08 May 2013 23:17:54 -0700 Mike Pavone BIT was setting the zero flag to the opposite of what it should have. This is now fixed.
Wed, 08 May 2013 23:12:08 -0700 Mike Pavone More fixes for confusion between Z80_UNUSED and MODE_UNUSED
Wed, 08 May 2013 23:03:18 -0700 Mike Pavone Compare src_op.mode with the correct constant in shift/rotate instructions
Wed, 08 May 2013 22:49:50 -0700 Mike Pavone Fix IX/IY register selection when the direction bit is set
Wed, 08 May 2013 22:46:03 -0700 Mike Pavone Fix calcuation of IX/IY dipslacements. Fix a bunch of stuff related to the IX/IY bit/shift/rotate instructions.
Wed, 08 May 2013 22:45:29 -0700 Mike Pavone Fix handling of instructions that combine an IX/IY displacement with another prefix in test generator
Wed, 08 May 2013 22:43:31 -0700 Mike Pavone Fix printing of negative displacements in Z80 disassembler
Wed, 08 May 2013 21:02:33 -0700 Mike Pavone Fix encoding of "extended" instructions in Z80 test generator
Wed, 08 May 2013 17:39:13 -0700 Mike Pavone Fix stupid copy-pasta bug in XOR
Wed, 08 May 2013 17:32:28 -0700 Mike Pavone Fix byte order of pop AF
Wed, 08 May 2013 17:05:12 -0700 Mike Pavone Cleanup reg printing in z80 test runner
Wed, 08 May 2013 14:40:48 -0700 Mike Pavone Added z80 test generator and z80 test runner.
Mon, 06 May 2013 00:57:56 -0700 Mike Pavone Make sure all rendering operations mask CRAM with 0xEEE before using it
Mon, 06 May 2013 00:54:58 -0700 Mike Pavone Implement writes from Z80 to YM-2612
Mon, 06 May 2013 00:22:24 -0700 Mike Pavone Hopefully more correct implementation of the Z80 busack status
Sun, 05 May 2013 22:56:42 -0700 Mike Pavone Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Sun, 05 May 2013 11:17:37 -0700 Mike Pavone Implement RRD and implement flags on RLD
Sat, 04 May 2013 18:51:53 -0700 Mike Pavone Implemente RLD
Sat, 04 May 2013 16:23:28 -0700 Mike Pavone Implement HALT (sort of tested)
Sat, 04 May 2013 15:58:15 -0700 Mike Pavone Implement IN and OUT (untested)
Sat, 04 May 2013 15:15:55 -0700 Mike Pavone Implement RETI and RETN (untested). Cleanup tests for "terminal" instructions.
Sat, 04 May 2013 14:36:50 -0700 Mike Pavone Remove deferred address entries from abandoned translations inside z80_retrans_inst
Fri, 03 May 2013 21:22:36 -0700 Mike Pavone Save context in z80_do_sync
Fri, 03 May 2013 21:09:48 -0700 Mike Pavone Fix bank register update
Fri, 03 May 2013 20:18:28 -0700 Mike Pavone Fix native address lookup in bannked memory area
Fri, 03 May 2013 20:15:23 -0700 Mike Pavone Use hex where appropriate in disassembler
Fri, 03 May 2013 19:27:32 -0700 Mike Pavone Using push/pop inside translated code is not compatible with the current way the Z80 core returns to the caller
Fri, 03 May 2013 18:50:16 -0700 Mike Pavone Fix crash bug in Z80 interrupt support
Fri, 03 May 2013 18:49:48 -0700 Mike Pavone Implement shift instructions (untested)
Thu, 02 May 2013 22:39:39 -0700 Mike Pavone Implement CPL and NEG (untested)
Thu, 02 May 2013 22:28:40 -0700 Mike Pavone Implement LDD and LDDR
Thu, 02 May 2013 22:26:47 -0700 Mike Pavone Implement LDI
Thu, 02 May 2013 22:21:41 -0700 Mike Pavone Protect debug prints for busreq/reset regs with appropriate macros
Thu, 02 May 2013 22:18:33 -0700 Mike Pavone Fix decoding of CP.
Thu, 02 May 2013 22:18:22 -0700 Mike Pavone Fix IX/IY displace modes. Fix check for registers requiring REX.
Thu, 02 May 2013 21:54:04 -0700 Mike Pavone Sync Z80 on writes to busreq/reset ports. NULL out extra_pc on z80 reset
Thu, 02 May 2013 00:10:24 -0700 Mike Pavone Don't mix *H regs with the REX prefix
Wed, 01 May 2013 23:12:29 -0700 Mike Pavone Fix some more retranslation bugs in the Z80 core
Wed, 01 May 2013 20:15:33 -0700 Mike Pavone Add -n flag for disabling the Z80 core
Wed, 01 May 2013 20:09:53 -0700 Mike Pavone Fix a crash bug in instruction retranslation
Tue, 30 Apr 2013 20:36:15 -0700 Mike Pavone Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K.
Tue, 30 Apr 2013 20:33:30 -0700 Mike Pavone Implement ld to and from the I and R registers
Tue, 30 Apr 2013 01:00:10 -0700 Mike Pavone Implement LDIR and fix a bug in which context was not restored after a call to z80_handle_code_write
Tue, 30 Apr 2013 00:39:31 -0700 Mike Pavone Initial stab at integartiong Z80 core
Tue, 30 Apr 2013 00:39:20 -0700 Mike Pavone Fix a remaining z80_write reg swap bug. Properly initialize the native map slots. Reset appropriate regs when z80_reset is called.
Tue, 30 Apr 2013 00:37:30 -0700 Mike Pavone Fix infinite loop in Z80 disassembler
Mon, 29 Apr 2013 23:02:39 -0700 Mike Pavone Implement CCF and SCF
Mon, 29 Apr 2013 22:58:45 -0700 Mike Pavone Fix decoding of address in JP and JPCC instructions in the Z80 core
Mon, 29 Apr 2013 22:52:05 -0700 Mike Pavone Properly handle wrapping around to 0 in translate_z80_stream
Mon, 29 Apr 2013 22:37:47 -0700 Mike Pavone Fix bug in end condition inside translate_z80_stream.
Mon, 29 Apr 2013 22:32:21 -0700 Mike Pavone Squashing some bugs introduced when I switched the register assignments for z80_write_byte around.
Mon, 29 Apr 2013 21:46:48 -0700 Mike Pavone Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.