Archive for the ‘boolean’ Category

Boolean Diary – part 04

Friday, March 18th, 2016

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].

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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

Tuesday, February 9th, 2016

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.

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Boolean Diary – part 02

Thursday, January 14th, 2016

Fixed screen bank color select in Forty-Love. Also fixed screen disable bit for Field Day / The Undoukai during transitions.

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Glass Frames (Boolean Diary – part 01)

Wednesday, December 9th, 2015

Got two easy gfx bug fixes yesterday, both related to background drawing:

* Fixed background breakable objects in 64th Street, it was caused by missing writes to a VRAM mirror.

* Fixed castle tiles not properly drawn in Sexy Parodius stage 3B (a.k.a. Castlevania / Akumajou stage). It probably need a blending effect for the mosaic windows tho:

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