Kale's Mame Wip

November roundup

Kale — Fri, 01 Dec 2017 11:57:05 +0000

As the time I’m writing it’s been two days that MAME 0.192 has been released:
Stuff you might have missed cause you don’t read whatsnew exe (it’s a common mistake):

– Correct colors in Syusse Oozumou (left: wrong, right: correct)

– Likewise for Wai Wai Jockey Gate-In! / Photo Finish:

– Fixed a day one bug regarding Blazing Tornado where sprites disappears after finishing the game.
Side effect is that it corrected the ending too (disregard the odd black pens, probably background shouldn’t be there in the first place, pending further investigations):

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– Rewritten the Marine Date driver from scratch, now a lot more accurate video wise. Collision detection is still an issue so marked not working for the time being (it was in the older driver too):

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– Added a protection simulation for Ping Pong King:

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– Preliminary sound for Cycle Maabou/Sky Destroyer:

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– Rewritten Flower driver, also fixed various video bugs along the way (most notable one is the priority at the last stage of a loop):

– Fixed polyline bug not drawing with Dynamite Deka/Die Hard Arcade:

– Fixed missing RNG elements in Sly Spy/Secret Agent: apparently there’s an unknown device servicing some kind of number generator for various elements in the game, which also makes the game harder than before.
Comparison video:

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– Improved shadow/highlight stuff for Chequered Flag:

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Boolean Diary – part 10

Kale — Wed, 30 Aug 2017 14:39:53 +0000

Corrected scrolling and zooming for Grand Striker HW games.
This fixes Tecmo World Cup ’94 graphics:

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Also fixed a protection logic check involving tournament properly giving correct match number now and potentially be completable:

Boolean Diary – Part 09

Kale — Sat, 12 Aug 2017 09:22:43 +0000

Fixed a long-standing bug with joystick inputs being bogusly dropped while crouching or running in Beraboh Man:

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Boolean Diary – part 08

Kale — Wed, 10 May 2017 02:56:59 +0000

Fixed scenery walking enemies in Legionnaire and Heated Barrel, they both uses a variation of the 138e macro where last opcode is an addition instead of a subtraction.
This translates in angles being Y inverted, and the macro is effectively used by enemies to check out playfield boundaries.

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Both games can be assumed working at this point.

Spot the difference game (Boolean Diary – part 07)

Kale — Tue, 07 Mar 2017 01:45:10 +0000

Fixed subtle color pen bug in Continental Circus, i.e. the black dots that are in first screenshot:

Wrong

Right

Boolean diary – part 06

Kale — Fri, 01 Jul 2016 20:51:15 +0000

Fixed sprite to tile priorities in Legionnaire, Heated Barrel, Godzilla and Denjin Makai.
Following is a specific comparison example between old and new implementation in Denjin Makai.

Other most notably fixes are the so far hidden Game Over screen in Legionnaire …

… and the clipping used by the opening in Godzilla.

Boolean Diary – part 05

Kale — Wed, 15 Jun 2016 18:48:25 +0000

Improved various things in Esh’s Aurumilla driver, plus added missing command strobe callback signal from LDV-1000 LD CPU to Host.
Mostly playable, except for a performance spike that shouldn’t happen at all during gameplay and overlay colors that aren’t quite right.

Borderline with more colors

Kale — Tue, 31 May 2016 23:48:04 +0000

Finished off Metal Freezer driver, started during the 0.173 dev cycle. It is a 1989 game by Seibu, which used Dark Mist HW as base with more tiles / colors and some minor address lines swapping (a cliché for this manufacturer, so for example you won’t ROM swap between boards).
There are still few bits not understood in the video registers section, and how rowscroll/raster effect really works is a mystery. Latter is assumed to divide the status bar from the main playfield during gameplay, I’ve assumed that a bit is directly correlated but can’t say for sure due of the limited use that the game does.

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Boolean Diary – part 04

Kale — Thu, 17 Mar 2016 23:54:15 +0000

Converted Shanghai HW to use the newer HD63484 device core. This fixes various long standing gfx glitches in it, namely the animation screen in Shanghai [1].

Also, rewritten Super Cross II driver after the relicensing. Toy Pop/Libble Rabble a.k.a. Namco System 16 Universal HW rewrite is in progress (currently lacking sprites and timing for the Namco custom i/o device).

Boolean Diary – part 03

Kale — Tue, 09 Feb 2016 02:50:51 +0000

Fixed a NCS core bug with ADCX actually being an ADDX opcode, fixing some garbage happening in Night Gal driver. It also mostly improves Sexy Gal/Sweet Gal/Night Gal Summer. Sweet Gal is almost working, the other two suffers from random layer clearances that wipes out big gfx chunks from time to time.