Graphic2 (G2) And Graphic3 (G3) Modes - Yamaha V9938 Programmer's Manual

3.5. GRAPHIC2 (G2) and GRAPHIC3 (G3) modes

Characteristics
Pattern size (w*h)
Patterns
Screen size (w*h)
Pattern colors
Sprite mode*
VRAM area per screen
* GRAPHIC modes 2 and 3 are identical except for sprite modes
Controls
Pattern font
Screen pattern location
Pattern color codes 1 & 0
Background color code
Sprites
Mode flags: GRAPHIC2
Bit
Value
Mode flags: GRAPHIC3
Bit
Value
MSX system default values
BASIC Pattern
SCREEN generator
number
G2: 2
00000h ...
017FFh
G3: 4
© 1985 ASCII CORP. / NIPPON GAKKI CO.
8 dots * 8 dots
768 types (256 per ⅓ of the screen)
32 * 24 patterns (256 * 192 pixels)
16 colors out of 512 (per screen)
Sprite mode 1 (GRAPHIC 2)
Sprite mode 2 (GRAPHIC 3)
16K bytes
VRAM pattern generator table
VRAM pattern name table
Specified in pattern color table for 8-pixel groups
Low-order four bits of R#7
VRAM sprite attribute table
VRAM sprite pattern table
M5 (R#0) M4 (R#0)
0 0
M5 (R#0) M4 (R#0)
0 1
Pattern Pattern
layout colors
01800h ... 02000h ...
01AFFh 037FFh
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M3 (R#0) M2 (R#1)
1 0
M3 (R#0) M2 (R#1)
0 0
Sprite Sprite
patterns attributes
01B00 ...
03800h ... 01B7Fh
03FFFh
01E00 ...
01E7Fh
© 2010-2015 Eugeny Brychkov
M1 (R#1)
0
M1 (R#1)
0
Sprite
colors
---
01C00h ...
01DFFh