view sf2_vram_map.txt @ 989:d70000fdff0b

Implemented IR and undefined bits of info word for address error exception frames
author Michael Pavone <pavone@retrodev.com>
date Wed, 27 Apr 2016 21:39:17 -0700
parents b231162c8fdd
children
line wrap: on
line source
0000: single color blocks
0200: Random symbols????
0400-0C00: Font
0C00-0E??: Score font
0E??: Player name displays

2000-3000: floor (mostly, some garbage around 2800 and 2A00)
3000-6C00: background
6C00-8000: not graphics
8000-~8A00: bat/bird sprites, special attack text
8A00-9000: ?????
9000-9200: More special attack text
9200-9600: another font
9800-AA00: special attack effects?
AC00-B000: ????
B000-B500: character sprite
????
C000-C500: chracter sprite
D000-DA00: window name table
DA00-DC00: Sprite attribute table
DC00-E000: horizontal scroll data
E000-????: plane A&B name table
C500-FFFF: not graphics

VDP Registers:
Mode
00 - 14
01 - 64
Scroll A Name Table Address: E000
02 - 38
Window Name Table Address: D000
03 - 34
Scroll B Name Table Address: E000
04 - 07
Sprite Attribute Table Address: DA00
05 - 6D
06 - 00
Backdrop color - 0
07 - 00
08 - 00
09 - 00
HINT Counter
0A - AF
Mode - Full screen vertical scroll, line horizontal scroll, external ints disabled, 32 cell display, no interlacing
0B - 03
0C - 00
H Scroll Data Address: DC00
0D - 37
0E - 00
Auto increment
0F - 02
Scroll Size
10 - 11
Window H Pos
11 - 00
Window V Pos
12 - 05
DMA transfer length
13 - 00
14 - 00
DMA source address and mode
15 - DB
16 - CF
17 - 7F