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age author description
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
Sat, 29 Dec 2012 21:55:42 -0800 Mike Pavone Some fixes for translating code in located in RAM
Sat, 29 Dec 2012 21:10:07 -0800 Mike Pavone Implement the rest of the bit instructions
Sat, 29 Dec 2012 20:33:39 -0800 Mike Pavone Implemented ROL and ROR
Sat, 29 Dec 2012 12:52:19 -0800 Mike Pavone Fix logic for switching between USP and SSP
Fri, 28 Dec 2012 22:47:22 -0800 Mike Pavone Fix decoding of CMPA
Fri, 28 Dec 2012 22:47:10 -0800 Mike Pavone Fix return address pushed to stack for jsr
Fri, 28 Dec 2012 21:36:22 -0800 Mike Pavone cycles should return dst
Fri, 28 Dec 2012 21:25:00 -0800 Mike Pavone Fix call_r in gen_x86 so that it properly returns a pointer to the location after the generated instruction
Fri, 28 Dec 2012 21:20:14 -0800 Mike Pavone Implement pea (untested).
Fri, 28 Dec 2012 20:46:29 -0800 Mike Pavone Fix Z80 busreq logic
Fri, 28 Dec 2012 19:21:05 -0800 Mike Pavone Allow jmp/jsr to follow pc-relative addresses in disassembler
Fri, 28 Dec 2012 17:59:41 -0800 Mike Pavone Defer the correct address for pc relative jsr/jmp
Fri, 28 Dec 2012 17:57:43 -0800 Mike Pavone Implement scc (untested)
Fri, 28 Dec 2012 15:34:24 -0800 Mike Pavone Fix decoding of Scc
Fri, 28 Dec 2012 15:16:36 -0800 Mike Pavone Implement more address modes for jsr
Fri, 28 Dec 2012 15:04:22 -0800 Mike Pavone COmment out fifo full debug printf
Fri, 28 Dec 2012 15:03:00 -0800 Mike Pavone Fix horizontal mask values for scroll plane map address calculation
Fri, 28 Dec 2012 14:30:25 -0800 Mike Pavone Fix areg indexed mode for move dst
Fri, 28 Dec 2012 11:07:13 -0800 Mike Pavone Implement ORI to CCR/SR
Fri, 28 Dec 2012 10:37:09 -0800 Mike Pavone Implemented move from SR
Thu, 27 Dec 2012 23:00:11 -0800 Mike Pavone Use unsigned comparisons for address decoding, exit when we hit an unhandled addressing mode for jmp
Thu, 27 Dec 2012 22:48:54 -0800 Mike Pavone Don't pre-emptively translate code at interrupt vectors as some PD ROMs have these pointing at junk. Need some kind of heuristic for detecting garbage if I'm going to translate them ahead of time by default.
Thu, 27 Dec 2012 22:41:28 -0800 Mike Pavone allocate a new native code chunk when we run out of space
Thu, 27 Dec 2012 22:35:26 -0800 Mike Pavone Some fixes to add/addx sub/subx decoding
Thu, 27 Dec 2012 22:11:26 -0800 Mike Pavone Implement areg indexed mode for lea
Thu, 27 Dec 2012 22:05:22 -0800 Mike Pavone Allow use of indexed modes as move dst
Thu, 27 Dec 2012 21:54:54 -0800 Mike Pavone Allow indexed modes to be used as a destination
Thu, 27 Dec 2012 21:32:00 -0800 Mike Pavone Fix address register indexed addressing (probably)
Thu, 27 Dec 2012 21:23:55 -0800 Mike Pavone Fix pc indexed addressing (probably) when used as a source
Thu, 27 Dec 2012 21:19:58 -0800 Mike Pavone Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
Thu, 27 Dec 2012 18:47:33 -0800 Mike Pavone Fix decoding bug for addq/subq
Thu, 27 Dec 2012 18:21:10 -0800 Mike Pavone Implement EXT, add some fixes to LINK/UNLK
Thu, 27 Dec 2012 10:40:03 -0800 Mike Pavone Fix some bugs in emulation of CLR
Thu, 27 Dec 2012 10:10:23 -0800 Mike Pavone Fix decoding bug in addq/subq
Wed, 26 Dec 2012 22:13:31 -0800 Mike Pavone Fix decoding of and
Wed, 26 Dec 2012 22:07:44 -0800 Mike Pavone Minor joypad fix and commeount out some debug printfs
Wed, 26 Dec 2012 21:50:48 -0800 Mike Pavone Forgot to add blastem main file earlier
Wed, 26 Dec 2012 20:18:58 -0800 Mike Pavone vertical interrupts now work
Wed, 26 Dec 2012 18:20:23 -0800 Mike Pavone RTE doesn't crash the emulator anymore
Wed, 26 Dec 2012 17:50:24 -0800 Mike Pavone Fix Z80 BUSREQ/RESET implementation.
Wed, 26 Dec 2012 17:34:59 -0800 Mike Pavone Fix long reads from IO ports or long reads that trigger sync cycles by saving rdi. Possibly fix word wide IO reads.
Wed, 26 Dec 2012 17:06:34 -0800 Mike Pavone Implement Z80 reset and bus request registers.
Wed, 26 Dec 2012 11:09:04 -0800 Mike Pavone Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Sat, 22 Dec 2012 21:37:25 -0800 Mike Pavone Add support for indexed modes as a source, some work on jmp and jsr with areg indirect mode
Fri, 21 Dec 2012 22:33:24 -0800 Mike Pavone Fix bug in disassembler that caused it to disassemble addresses it shouldn't
Fri, 21 Dec 2012 22:24:45 -0800 Mike Pavone Implement indexed with 8-bit displacement addressing modes in decoder and disassembler
Fri, 21 Dec 2012 21:53:05 -0800 Mike Pavone Added untested support for LINK and UNLK
Fri, 21 Dec 2012 21:26:16 -0800 Mike Pavone Removed some old debug printfs
Fri, 21 Dec 2012 21:19:03 -0800 Mike Pavone Implement JSR for some addressing modes
Fri, 21 Dec 2012 20:56:32 -0800 Mike Pavone Implement DMA (untested)
Fri, 21 Dec 2012 16:38:40 -0800 Mike Pavone Fix some bugs in movem with a register list destination
Fri, 21 Dec 2012 16:04:41 -0800 Mike Pavone Implement a couple of supervisor instructions
Fri, 21 Dec 2012 16:04:30 -0800 Mike Pavone Implement word wide access to IO area
less more | rev 191: (0) -120 +120 +1000 tip