Alleyway:ROM map

From Data Crystal
Revision as of 12:01, 19 November 2010 by Picolo789 (talk | contribs)
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.


  • 0x03B5-03C0 = OAM DMA Transfer subroutine
  • 0x03C1-03FE = Joypad subroutine
  • 0x07E8-07F1 = Decrease lives
00:07E8	FA 44 CA	ld a,[$CA44]	(Put in A the value in address $CA44=Lives)
00:07EB	FE 00		cp a,$00	(Compare the value of A with $00)
00:07ED	C8		ret z		(Return if is zero)
00:07EE	3D		dec a		(Decrease a)
00:07EF	EA 44 CA	ld [$CA44],a	(Sets the value of A in the address $CA44=Lives)
  • 0x1C42-???? = Level data
0x1C42-1D08: First levels
0x1D09-1DCD: Other levels

Notes (Bricks values):
00: Without brick
01: One brick
02: Two bricks. One in the position and other above it.
FF: End of level data