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MAME 0.89u5 & 0.89u6

RBM-13s, 07:47, 19-12-2004

http://haze.mame.net/

Вышли сразу две новые промежуточные версии MAME:

MAME 0.89u6 General Improvements

MC8193 update [Nicola Salmoria]
- expanded the decryption tables, they change when bit 15 of the address is set
- table for 317-0066 (Altered Beast) almost complete, but there are still some uncertain values for opcodes above 8000 (not actually needed)
- incomplete table for 317-0054 (Shinobi). Still not enough to decrypt the program.
- tables for 317-0043 (wbml) and ninjakd2 derived by comparison of the original with the decrypted bootleg. They are incomplete but enough to fully decrypt the program. Unfortunately Block Gal and Perfect Billiards cannot be done in the same way because encrypted and decrypted programs are different versions.
i386 fixes [Nathan Woods]
- src/cpu/i386/i386dasm.c:
  - disassembler will now list segment prefixes when appropriate
- src/cpu/i386/i386op16.c:
  - fixed LMSW opcode
New Sega X-Board driver [Aaron Giles]
- many improvements over the old driver:
  - improved sprites (see thunderblade)
  - improved road layer (see abcop, thunderblade)
  - guns in line of fire (but it hangs at the end of the level)
  - better tilemap support (from 16b)
  - gprider no longer boots (nested interrupts)
Removed a rom patch in Exzisus [Nicola Salmoria]
Rearranged TNZS sets based on new information [Nicola Salmoria]
Cleaned up Return of Invaders driver [Nicola Salmoria]
nmk16 video update [Pierpaolo Prazzoli]
- Added sprites priorities (still few problems with priority = 0)
- Fixed raphero and mmacros2 background
- Fixed manybloc (added scrolls, fixed background gfx)
- Added background banking in acrobatm
updated S2650 CPU core to count more accurate clock cycle counts [Juergen Buchmueller]

Новые рабочие игры:

Thunder Blade [Aaron Giles]

Нерабочие игры

Megatech: Alien Storm [DangSpot]
genesis i/o problems

MAME 0.89u5 General Improvements

Adjusted NamcoS2 sound balance
- Solar Warrior driver update [Bryan McPhail]
- Fixed NMI & FIRQ handling according to schematics.
- Fixed clock speeds.
- Implemented GFX priority register/priority PROM
IremGA20 64-bit crash fix [Stephen Behling]

Misc updates [Nathan Woods]
- src/cpu/i86/i86.c:
- src/cpu/i86/i286.c:
  - Fixed disassembler calls, so that instructions are not falsely disassembled as 32-bit
- src/cpu/i386/i386op16.c:
  - Implemented SMSW instruction
- src/cpu/i386/i386dasm.c:
  - Marked retf instruction as DASMFLAG_STEP_OUT
- src/x86drc.h:
  - Added macros for pushfd() and popfd()
  - Added 'TRACEOVER' support to debugger (see help) [Nathan Woods]
New Debugger Commands [Aaron Giles]
- snap [] - takes a snapshot and saves it to the given; if is omitted, this is equivalent to hitting F12
- gi[int] [] - executes until the current CPU takes the interrupt line specified by ; if is omitted, executes until any IRQ is taken on the current CPU. This has been mapped to F7 as well.
- gv[blank] - executes until the next VBLANK; this is useful for stepping frame-by-frame from within the debugger. This has been mapped to F8.
Various Improvements [Sebastien Volpe]
- galpani3:
  - palette, inputs, sound hooked up, backgounds 'decoded' (RLE)
- jchan:
  - slight cleanup, sound hooked up, tile area identified
  - jchan2 now passes initial checks
- kaneko16 (bonkadv):
  - priorities corrected according Luca's scheme
  - sound 'improvements' (both banking and rom loading)
  - game name updated
  - interrupts scheduling change (not correct, but somewhat improved, see comment) and as a consequence, fake region dsw is removed.
- srmp6: new driver, Seta System 12 ?
  - many things todo, gfx decoding would be nice!
- toki:
  - correct frequencies
Started minor cleanup of System 32 driver (some things are probably broken for now) [David Haywood]
hypereac2 sound fix, sh2 bounds overflow fix, atarijsa memcpy fix [Mame32Plus]
Improvements to Namco 54xx Noise Generator [Jarek Burczynski]
Type A, and B emulated, type C algo still unknown
Minor Sega Update [Aaron Giles]
- renamed dbrkr to desertbr
- cleaned up the math chip emulation, should be much closer now
- fixed off-by-1 column scroll in wrestwra
- fixed shadows in S18 so they don't affect any VDP-drawn pixels