log

age author description
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.
Mon, 29 Apr 2013 01:14:24 -0700 Mike Pavone Fix target cycle count after 68K interrupt
Mon, 29 Apr 2013 00:59:50 -0700 Mike Pavone Implemented basic interrupt support in Z80 core.
Mon, 29 Apr 2013 00:59:32 -0700 Mike Pavone Forgot to commit zruntime a while back, adding it now.
Sun, 28 Apr 2013 23:25:18 -0700 Mike Pavone Implement ADC and SBC in Z80 core (untested)
Sun, 28 Apr 2013 22:41:30 -0700 Mike Pavone Implement rotation and bit set/reset instructions (untested).
Sun, 28 Apr 2013 21:00:27 -0700 Mike Pavone Implement RETCC in Z80 core.
Sun, 28 Apr 2013 21:00:16 -0700 Mike Pavone Implement cartridge rom loading in transz80
Sun, 28 Apr 2013 18:53:43 -0700 Mike Pavone Implement cycle limit in Z80 core.
Sun, 28 Apr 2013 14:32:45 -0700 Mike Pavone Implement EI, DI and IM in the Z80 core
Sun, 28 Apr 2013 14:05:02 -0700 Mike Pavone Implemente CP (untested)
Sun, 28 Apr 2013 13:45:17 -0700 Mike Pavone Implement EX, EXX and RST in Z80 core
Sun, 28 Apr 2013 13:45:00 -0700 Mike Pavone Add header dependencies to offsets
Fri, 26 Apr 2013 22:27:17 -0700 Mike Pavone Implement BIT and DJNZ (tested). Fix register mapping for IYL.
Fri, 26 Apr 2013 09:51:57 -0700 Mike Pavone Added the rest of the conditions to JPCC, implemented CALLCC (untested)
Fri, 26 Apr 2013 09:51:13 -0700 Mike Pavone Added key to save Z80 RAM to a file
Thu, 25 Apr 2013 22:49:36 -0700 Mike Pavone Implement more Z80 instructions (untested)
Thu, 25 Apr 2013 21:01:11 -0700 Mike Pavone Get Z80 core working for simple programs
Mon, 22 Apr 2013 23:56:13 -0700 Mike Pavone Add shadow/higlight info to debug renderer
Mon, 22 Apr 2013 23:34:39 -0700 Mike Pavone Less broken implementation of shadow/highlight
Mon, 22 Apr 2013 21:24:50 -0700 Mike Pavone Shadow and higlight operators were switched
Mon, 22 Apr 2013 20:13:07 -0700 Mike Pavone Added todo list
Mon, 22 Apr 2013 19:39:38 -0700 Mike Pavone Implemented shadow hilight mode.
Sun, 21 Apr 2013 19:12:48 -0700 Mike Pavone Improve color rendering accuracy and optimize SDL renderer a bit
Sun, 21 Apr 2013 16:44:46 -0700 Mike Pavone Fix overflow detection in divs. Fix negative immediate source for divs
Sun, 21 Apr 2013 16:44:10 -0700 Mike Pavone Added test cases for divs/divu and added divide by zero handler to test generator
Sun, 21 Apr 2013 13:00:34 -0700 Mike Pavone Implement CHK instruction (not fully tested).
Sun, 21 Apr 2013 11:42:45 -0700 Mike Pavone Fixed a couple bugs in roxl/roxr. X flag wasn't being saved properly and rotates of more than 31 bits were messed up as the X flag was being thrown away between the first 31 bits of rotate and the rest.
Sun, 21 Apr 2013 11:40:18 -0700 Mike Pavone Added testcases for move and roxl/roxr. Made some small improvements to test tools.
Sat, 20 Apr 2013 17:41:07 -0700 Mike Pavone Fix muls with a negative immediate source.
Sat, 20 Apr 2013 17:32:34 -0700 Mike Pavone Added testcases for muls, mulu, abcd and sbcd
Sat, 20 Apr 2013 16:53:01 -0700 Mike Pavone Fix modulo on bit operations with a memory destination
Sat, 20 Apr 2013 15:14:47 -0700 Mike Pavone Add support for picking random numbers in a larger range in test generator. Add support for running a subset of tests in runner. Added testcases for bit and rotate instructions.
Sat, 20 Apr 2013 14:36:41 -0700 Mike Pavone Fix overflow flag behavior for lsl/lsr/asr
Sat, 20 Apr 2013 00:36:50 -0700 Mike Pavone Fix autoincrement on a7 when used as a destination in a byte sized instruction
Sat, 20 Apr 2013 00:29:14 -0700 Mike Pavone Added testcases file. Some fixes to test generator for dealing with indexed mode with base and index reg the same. Added support for blastem headless mode in test runner.
Fri, 19 Apr 2013 21:36:54 -0700 Mike Pavone Fix some bugs related to sign-extension of address registers and pre-decrement amount for a7 when used as a source.
Fri, 19 Apr 2013 21:36:00 -0700 Mike Pavone Added headless flag to avoid initializing SDL and opening a window when running tests.
Fri, 19 Apr 2013 09:29:37 -0700 Mike Pavone Add test generator, builder and runner
Tue, 16 Apr 2013 22:29:00 -0700 Mike Pavone Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
Tue, 16 Apr 2013 09:38:30 -0700 Mike Pavone Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
Tue, 16 Apr 2013 09:31:21 -0700 Mike Pavone Small bit of cleanup
Sun, 27 Jan 2013 13:07:26 -0800 Mike Pavone Fix movem reg to mem for certain addressing modes
Sat, 26 Jan 2013 02:47:26 -0800 Mike Pavone Flag fixes for div, negx and not
Sat, 26 Jan 2013 01:33:32 -0800 Mike Pavone Tweaks to make blastem compatible with m68k-tester
Fri, 25 Jan 2013 18:39:22 -0800 Mike Pavone Fix overflow flag on ASL
Wed, 23 Jan 2013 21:54:58 -0800 Mike Pavone Add support for IY bit instructions to decoder
Wed, 23 Jan 2013 21:50:54 -0800 Mike Pavone Add support for IX bit instructions to decoder
Tue, 22 Jan 2013 20:24:14 -0800 Mike Pavone Add support for 2-byte IY instructions to decoder
Tue, 22 Jan 2013 20:21:05 -0800 Mike Pavone Add support for 2-byte IX instructions to decoder
Mon, 21 Jan 2013 21:59:09 -0800 Mike Pavone Distinguish between 1-byte and 2-byte NOPs
Mon, 21 Jan 2013 21:17:52 -0800 Mike Pavone Add support for bit instructions to decoder
Sun, 20 Jan 2013 21:32:13 -0800 Mike Pavone Add support for EXTD group 2-byte Z80 instructions in decoder
Sun, 20 Jan 2013 19:11:24 -0800 Mike Pavone Add initial stab at Z80 decoder and disassembler
Sun, 20 Jan 2013 19:10:29 -0800 Mike Pavone Add support for breaking into the debugger while game is running
Thu, 17 Jan 2013 20:00:07 -0800 Mike Pavone Add instruction address logging to translator and support for reading an address log to the disassembler
Thu, 17 Jan 2013 08:19:29 -0800 Mike Pavone Implement pc indexed mode as move dst
Wed, 16 Jan 2013 22:50:02 -0800 Mike Pavone Fix 6-button controller emulation
Wed, 16 Jan 2013 22:40:56 -0800 Mike Pavone Implement ABCD an SBCD. Fix BTEST with register source.
Tue, 15 Jan 2013 00:14:36 -0800 Mike Pavone Implement support for self-modifying code
Mon, 14 Jan 2013 21:56:54 -0800 Mike Pavone Prep work for handling games that modify code in RAM
Mon, 14 Jan 2013 20:23:17 -0800 Mike Pavone Fixes for direct color dma stuff
Mon, 14 Jan 2013 02:13:14 -0800 Mike Pavone Small fix to bg drawing that yields the proper res for direct color DMA
Mon, 14 Jan 2013 02:03:35 -0800 Mike Pavone Fix background rendering when display is off and improve refresh cycle emulation so that direct color DMA demos work
Sun, 13 Jan 2013 23:48:04 -0800 Mike Pavone Fix movem.w when dest is register list
Sun, 13 Jan 2013 23:06:26 -0800 Mike Pavone Fix return address for areg displacement mode JSR
Sun, 13 Jan 2013 16:11:28 -0800 Mike Pavone Cleanup VINT code and fix bug in which VINT cycle would be set incorrectly after a VDP control port write
Sun, 13 Jan 2013 15:55:43 -0800 Mike Pavone Add ability to print out current 68K cycle in debugger
Sun, 13 Jan 2013 13:01:13 -0800 Mike Pavone Fix a bunch of bugs in the CPU core, add a 68K debugger
Wed, 09 Jan 2013 22:31:07 -0800 Mike Pavone Fix (a7)+ src when size is byte, fix trap return address, make div with areg src decoded to invalid
Wed, 09 Jan 2013 21:41:55 -0800 Mike Pavone Fix -(a7) dest when size is byte
Wed, 09 Jan 2013 21:08:37 -0800 Mike Pavone Fix signed division with negative result, fix address reg destination with word-sized operand, fix cmpm decoding and code generation, fix unbalanced pop in bit instructions
Tue, 08 Jan 2013 09:34:46 -0800 Mike Pavone Fix rendering of sprites at the top edge of screen
Tue, 08 Jan 2013 09:34:24 -0800 Mike Pavone Fix scc to set reg to 0xFF rather than 1 when the condition is true
Sun, 06 Jan 2013 22:45:45 -0800 Mike Pavone Fix order of reading saved pc and swapping user and system stack pointers
Sun, 06 Jan 2013 21:44:54 -0800 Mike Pavone Make sure we bail out of translation after translating an invalid instruction
Sun, 06 Jan 2013 21:42:57 -0800 Mike Pavone Print a message when we try to run an invalid instruction, not when we try to translate it
Sun, 06 Jan 2013 20:49:42 -0800 Mike Pavone Fix order of SR and PC saved in an exception stack frame
Sun, 06 Jan 2013 18:31:17 -0800 Mike Pavone Implement areg displacement mode for jsr
Sun, 06 Jan 2013 15:20:23 -0800 Mike Pavone Implement negx
Sun, 06 Jan 2013 14:41:26 -0800 Mike Pavone Implement movep
Sun, 06 Jan 2013 14:00:45 -0800 Mike Pavone Implement EORI CCR/SR
Sun, 06 Jan 2013 13:58:33 -0800 Mike Pavone Implement RTR
Sun, 06 Jan 2013 13:42:13 -0800 Mike Pavone Fix a bunch of addressing modes in movem when a register list is the destination
Sun, 06 Jan 2013 12:17:10 -0800 Mike Pavone Minor optimization and a cycle count fix to lea
Sun, 06 Jan 2013 10:54:45 -0800 Mike Pavone Initialize status register to proper value on startup
Sun, 06 Jan 2013 09:51:15 -0800 Mike Pavone Added SMD ROM support
Sat, 05 Jan 2013 22:59:51 -0800 Mike Pavone Fix certain address modes with lea when the destination is not a native register
Sat, 05 Jan 2013 22:59:06 -0800 Mike Pavone Small fix to disassembler
Sat, 05 Jan 2013 02:46:55 -0800 Mike Pavone Fix decoding of movep
Sat, 05 Jan 2013 02:18:31 -0800 Mike Pavone Implement more movem modes src
Sat, 05 Jan 2013 01:55:11 -0800 Mike Pavone Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst
Sat, 05 Jan 2013 01:32:40 -0800 Mike Pavone Fix crash in printf from "crash" function due to lack of clearing rax
Sat, 05 Jan 2013 01:31:28 -0800 Mike Pavone FIx movem when src is reg list and dst is not a areg predec mode
Sat, 05 Jan 2013 00:53:50 -0800 Mike Pavone Fix predec address mode when used as source
Fri, 04 Jan 2013 23:52:20 -0800 Mike Pavone Fix rotate instructions that use a register source. Fix ROXL/ROXR to actually use the appropriate x86 instruction.
Fri, 04 Jan 2013 23:25:23 -0800 Mike Pavone Add cycles for Bcc (needs work, but this changes keeps some ROMs from making the emulator unresponsive)
Fri, 04 Jan 2013 23:21:07 -0800 Mike Pavone Don't use the native call stack for M68K calls by default
Fri, 04 Jan 2013 22:51:01 -0800 Mike Pavone Small fix for bit instructions
Fri, 04 Jan 2013 21:47:09 -0800 Mike Pavone Implement access to Z80 RAM
Thu, 03 Jan 2013 22:49:21 -0800 Mike Pavone Implement TRAP (untested)
Thu, 03 Jan 2013 22:07:40 -0800 Mike Pavone Implement MULU/MULS and DIVU/DIVS
Tue, 01 Jan 2013 09:40:17 -0800 Mike Pavone Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed.
Tue, 01 Jan 2013 07:06:57 -0800 Mike Pavone Make writes to control and data port block when DMA is in progress
Tue, 01 Jan 2013 07:04:48 -0800 Mike Pavone Bail out of disassembly of a particular stream when we hit an invalid instruction
Tue, 01 Jan 2013 07:03:52 -0800 Mike Pavone Add hgignore file
Mon, 31 Dec 2012 20:09:09 -0800 Mike Pavone Implement most of the "X" instructions
Mon, 31 Dec 2012 19:17:01 -0800 Mike Pavone Implement m68k_modified_ret_addr
Mon, 31 Dec 2012 18:53:52 -0800 Mike Pavone Comment out some debug printfs
Mon, 31 Dec 2012 18:36:16 -0800 Mike Pavone Fix infinite loop bug in sprite rendering
Mon, 31 Dec 2012 18:22:25 -0800 Mike Pavone Fix DMA fills to VRAM
Mon, 31 Dec 2012 18:12:08 -0800 Mike Pavone Fix DMA in progress flag in VDP status register
Mon, 31 Dec 2012 11:56:01 -0800 Mike Pavone Fix label names in disassembler
Mon, 31 Dec 2012 11:54:27 -0800 Mike Pavone Properly support references to odd addresses in label generation in disassembler. Add labels for start and interrupts.
Mon, 31 Dec 2012 11:26:57 -0800 Mike Pavone Fix VDP reads
Sun, 30 Dec 2012 22:39:41 -0800 Mike Pavone Implemented HV counter
Sun, 30 Dec 2012 18:40:33 -0800 Mike Pavone Fix some bugs in decoding cmp
Sun, 30 Dec 2012 11:54:25 -0800 Mike Pavone Fix 68K->VDP DMA
Sun, 30 Dec 2012 09:55:18 -0800 Mike Pavone Improve disassembler
Sun, 30 Dec 2012 09:55:07 -0800 Mike Pavone Add support for pc indexed addressing mode to lea
Sun, 30 Dec 2012 07:52:44 -0800 Mike Pavone Support more address modes for jmp
Sun, 30 Dec 2012 01:15:16 -0800 Mike Pavone Fix bug that was causing DMA fills to lock up under certain circumstances
Sun, 30 Dec 2012 00:11:03 -0800 Mike Pavone Make version register return correct value for USA
Sat, 29 Dec 2012 23:40:30 -0800 Mike Pavone Fix swap
Sat, 29 Dec 2012 23:08:14 -0800 Mike Pavone Cleanup bit instructions and fix bug in translate_m68k_move that caused incorrect results once translate_m68k_src was fixed
Sat, 29 Dec 2012 23:07:23 -0800 Mike Pavone Fix crash when printing error message about modified return address
Sat, 29 Dec 2012 22:22:53 -0800 Mike Pavone Fix check in translate_m68k_src that deals with instructions for which both operands are registers that are not mapped to a native x86-64 register
Sat, 29 Dec 2012 22:11:28 -0800 Mike Pavone Fix encoding of movsx instruction when used with new (i.e. r9-r15) registers. This fixes the indexed addressing modes when used with a word-wide index register