00666: matchit: This game is not working (Information on fixing).

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
00666	Documentation	Minor	Always	Feb 1, 2008, 17:55	Apr 6, 2008, 01:04

Tester	robiza	View Status	Public	Platform
Assigned To	robiza	Resolution	Fixed	OS
Status [?]	Resolved			Driver	irem/m90.cpp
Version	0.116	Fixed in Version	0.116u1	Build
		Fixed in Git Commit		Github Pull Request #

Summary	00666: matchit: This game is not working (Information on fixing).
Description	This game is not working. Yet if you use mame with debug and set a breakpoint to 81c4. You can modify a0b80 location and set a value in this form xxx1xxx0 (like 74, 90, b2 and so on); the "no tile bug" disappear; only with number in this form the bug is not present!a0b80 is incremented every interrupt (like a counter) and with this value the code simulate a random number to create different layout for the gems in 0x8209 there's a routine to assicurate (a0b80) & 0x0111 <> 0 a little correction: a0b80-81: xxx1xxx0 xxxxxxxx the bug is not present xxx0xxx0 xxxxxxx1 the bug is not present the routine from a0b80 set 0 or 1 at a0bd2 with 0 the bug is not present with 1 the bug is present
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version
Affected Sets / Systems	matchit

Attached Files