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X-Arcade

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Great Swordsman (World?)

0.95u3 [Corrado Tomaselli, Nicola Salmoria]

0.34b1 [Steve Ellenoff]


WIP:

- 0.104u9: Tatsuyuki Satoh fixed Great Swordsman, which was broken in an earlier update.

- 3rd July 2005: Guru - I received a Great Swordsman PCB which was hoped to be an English version, but it turned out the dump from it was the same as the existing dump in MAME.

- 0.95u4: Nicola Salmoria fixed Great Swordsman descriptions. Great Swordsman is the (World?) and the clone is the (Japan?) version now. Nicola added also 8741s fake roms.

- 0.95u3: Corrado Tomaselli and Nicola Salmoria added Great Swordsman (Japan?). Nicola Salmoria fixed Great Swordsman sprite palettes. Changed palettesize to 256 colors. Renamed (gsword) to (gsword2).

- 11th April 2005: Nicola Salmoria - Sprite colors in Great Swordsman have been one of the longest standing and most elusive emulation imperfections to date. It was hardly noticeable, because a manually crafted lookup table had been crafted in the driver, so colors looked ok. Finally, thanks to Kold666's invaluable help, the emulation is now perfect. As you can see in the shots, the difference is subtle but it's there. It is probably most evident on the pulsing logo, whose color changes are now slightly smoother. The way how I achieved this is worth of mention. Kold kindly provided some pictures of the pcb (parts side and solder side). I x-flipped the solder side, overlapped them in a gfx editing program, and carefully aligned them so I could see both layers at once. Then started tracing from the color lookup PROM, to see what the board does with the data. In the end, it turned out that the sprite palette data comes from a row of the character palette, the tricky part being that the order of the 4 bits coming out from the lookup PROM is reversed. This is something that could have been noticed before, but it always eluded me.

- 0.93u2: Nicola Salmoria fixed dipswitches and description in Great Swordsman. Changed palettesize to 272 colors.

- 0.78u5: Fixed Great Swordsman bad ram message (0.78u2 memory rewrite).

- 0.36b1: Jarek Parchanski and Charlie Miltenberger improved sprite colors in Great Swordsman. Changed Z80 CPU3 clock speed to 3MHz and MSM5205 to 384000 Hz.

- 13th July 1999: Jarek Parchanski sent in an update to Great Swordsman driver, with almost correct sprite lookup table, and better sound.

- 0.35RC1: Changed Z80 CPU1/2 clock speeds to 3MHz and CPU3 to 2.8MHz and removed 2nd MSM5205.

- 1st June 1999: Jarek Parchanski made the background colors accurate in Great Swordsman, added 2nd player controls and fixed sound speed. Nicola worked on the Great Swordsman ADPCM sound.

- 31st May 1999: Tatsuyuki Satoh fixed Great Swordsman, and the sound works now.

- 0.34b1: Steve Ellenoff added Great Swordsman (Taito 1984). Issues: Colors are a mess. Communication to/from sound CPU(s) not yet hooked up. CPU speed may not be accurate.


LEVELS: 16


Category: Sports


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Romset: 131 kb / 25 files / 67 zip