TEXT mode

Initialization functions for TEXT 1 and 2 mode. More...

Collaboration diagram for TEXT mode:

Functions
void	screen0 (void)
	MSX SCREEN 0: WIDTH 40 (TEXT 1 mode).
void	screen0_W80 (void)
	MSX2 SCREEN 0: WIDTH 80 (TEXT 2 mode).

Detailed Description

Initialization functions for TEXT 1 and 2 mode.

Function Documentation

screen0()

void screen0

(

void

)

MSX SCREEN 0: WIDTH 40 (TEXT 1 mode).

• 40 columns x 24 lines text mode.
• No sprites.

VRAM memory map

VRAM address	size	contents
0x00000	0x03c0	Pattern name table
0x00800	0x0800	Pattern generator table

Note

Patterns can be defined for each 256-character fonts (pattern generator table in VRAM).

screen0_W80()

void screen0_W80

(

void

)

MSX2 SCREEN 0: WIDTH 80 (TEXT 2 mode).

• 80 columns x 24 lines text mode.
• No sprites.

VRAM memory map

VRAM address	size	contents
0x00000	0x0780	Pattern name table
0x01000	0x0800	Pattern generator table
0x00800	0x010e	Color table

Color table is used as blink table (1-bit * 80 columns * 24 lines). Characters blinks if the corresponding bit of the color table is set, according to the value of VDP control register R#12 and R#13.

Note

Patterns can be defined for each 256-character fonts (pattern generator table in VRAM).