Common values for hardware registers. More...

Macros
#define	BGMODE_MODE0 0

#define	BGMODE_MODE1 1

#define	BGMODE_MODE2 2

#define	BGMODE_MODE3 3

#define	BGMODE_MODE7 7

#define	INIDISP_BRIGHTNESS(n) ((n) & 0x0F)

#define	INIDISP_FORCE_BLANK 0x80

#define	NMITIMEN_JOY_ENABLE 0x01

#define	NMITIMEN_NMI_ENABLE 0x80

#define	TM_BG1 BIT(0)

#define	TM_BG2 BIT(1)

#define	TM_BG3 BIT(2)

#define	TM_BG4 BIT(3)

#define	TM_OBJ BIT(4)

Detailed Description

Common values for hardware registers.

Macro Definition Documentation

◆ BGMODE_MODE0

#define BGMODE_MODE0 0

4 BG layers, 4 colors each

◆ BGMODE_MODE1

#define BGMODE_MODE1 1

2 BG 16-color, 1 BG 4-color (most common)

◆ BGMODE_MODE2

#define BGMODE_MODE2 2

2 BG 16-color with offset-per-tile

◆ BGMODE_MODE3

#define BGMODE_MODE3 3

1 BG 256-color, 1 BG 16-color

◆ BGMODE_MODE7

#define BGMODE_MODE7 7

Mode 7 (rotation/scaling)

◆ INIDISP_BRIGHTNESS

#define INIDISP_BRIGHTNESS ( n ) ((n) & 0x0F)

Set brightness (0-15)

◆ INIDISP_FORCE_BLANK

#define INIDISP_FORCE_BLANK 0x80

Force screen blank

◆ NMITIMEN_JOY_ENABLE

#define NMITIMEN_JOY_ENABLE 0x01

Enable auto joypad read

◆ NMITIMEN_NMI_ENABLE

#define NMITIMEN_NMI_ENABLE 0x80

Enable NMI on VBlank

◆ TM_BG1

#define TM_BG1 BIT(0)

Enable BG1 on main screen

◆ TM_BG2

#define TM_BG2 BIT(1)

Enable BG2 on main screen

◆ TM_BG3

#define TM_BG3 BIT(2)

Enable BG3 on main screen

◆ TM_BG4

#define TM_BG4 BIT(3)

Enable BG4 on main screen

◆ TM_OBJ

#define TM_OBJ BIT(4)

Enable sprites on main screen

Macros