hardware.h File Reference

#include <types.h>

Go to the source code of this file.

Macros
#define	__SHADOW_REG   extern volatile uint8_t
#define	__REG(addr)   volatile __at (addr) uint8_t
#define	PPUCTRL_NMI   0b10000000
#define	PPUCTRL_SPR_8X8   0b00000000
#define	PPUCTRL_SPR_8X16   0b00100000
#define	PPUCTRL_BG_CHR   0b00010000
#define	PPUCTRL_SPR_CHR   0b00001000
#define	PPUCTRL_INC32   0b00000100
#define	PPUMASK_BLUE   0b10000000
#define	PPUMASK_RED   0b01000000
#define	PPUMASK_GREEN   0b00100000
#define	PPUMASK_SHOW_SPR   0b00010000
#define	PPUMASK_SHOW_BG   0b00001000
#define	PPUMASK_SHOW_SPR_LC   0b00000100
#define	PPUMASK_SHOW_BG_LC   0b00000010
#define	PPUMASK_MONOCHROME   0b00000001
#define	DEVICE_SCREEN_X_OFFSET   0
#define	DEVICE_SCREEN_Y_OFFSET   0
#define	DEVICE_SCREEN_WIDTH   32
#define	DEVICE_SCREEN_HEIGHT   30
#define	DEVICE_SCREEN_BUFFER_WIDTH   32
#define	DEVICE_SCREEN_BUFFER_HEIGHT   30
#define	DEVICE_SCREEN_MAP_ENTRY_SIZE   1
#define	DEVICE_SPRITE_PX_OFFSET_X   0
#define	DEVICE_SPRITE_PX_OFFSET_Y   -1
#define	DEVICE_WINDOW_PX_OFFSET_X   0
#define	DEVICE_WINDOW_PX_OFFSET_Y   0
#define	DEVICE_SCREEN_PX_WIDTH   (DEVICE_SCREEN_WIDTH * 8)
#define	DEVICE_SCREEN_PX_HEIGHT   (DEVICE_SCREEN_HEIGHT * 8)
#define	SCY_REG   bkg_scroll_y
#define	rSCY   SCY_REG
#define	SCX_REG   bkg_scroll_x
#define	rSCX   SCX_REG
#define	LY_REG   _lcd_scanline
#define	rLY   LY_REG
#define	LYC_REG   _lcd_scanline
#define	rLYC   LYC_REG

Functions
	__REG (0x2000) PPUCTRL
	__REG (0x2001) PPUMASK
	__REG (0x2002) PPUSTATUS
	__REG (0x2003) OAMADDR
	__REG (0x2004) OAMDATA
	__REG (0x2005) PPUSCROLL
	__REG (0x2006) PPUADDR
	__REG (0x2007) PPUDATA
	__REG (0x4014) OAMDMA

Variables
__SHADOW_REG	shadow_PPUCTRL
__SHADOW_REG	shadow_PPUMASK
__SHADOW_REG	bkg_scroll_x
__SHADOW_REG	bkg_scroll_y
__SHADOW_REG	_lcd_scanline
volatile UBYTE	TIMA_REG
volatile UBYTE	TMA_REG
volatile UBYTE	TAC_REG

Detailed Description

Defines that let the NES hardware registers be accessed from C.

Macro Definition Documentation

__SHADOW_REG

#define __SHADOW_REG   extern volatile uint8_t

__REG

#define __REG

(

addr

)

volatile __at (addr) uint8_t

PPUCTRL_NMI

#define PPUCTRL_NMI   0b10000000

PPUCTRL_SPR_8X8

#define PPUCTRL_SPR_8X8   0b00000000

PPUCTRL_SPR_8X16

#define PPUCTRL_SPR_8X16   0b00100000

PPUCTRL_BG_CHR

#define PPUCTRL_BG_CHR   0b00010000

PPUCTRL_SPR_CHR

#define PPUCTRL_SPR_CHR   0b00001000

PPUCTRL_INC32

#define PPUCTRL_INC32   0b00000100

PPUMASK_BLUE

#define PPUMASK_BLUE   0b10000000

PPUMASK_RED

#define PPUMASK_RED   0b01000000

PPUMASK_GREEN

#define PPUMASK_GREEN   0b00100000

PPUMASK_SHOW_SPR

#define PPUMASK_SHOW_SPR   0b00010000

PPUMASK_SHOW_BG

#define PPUMASK_SHOW_BG   0b00001000

PPUMASK_SHOW_SPR_LC

#define PPUMASK_SHOW_SPR_LC   0b00000100

PPUMASK_SHOW_BG_LC

#define PPUMASK_SHOW_BG_LC   0b00000010

PPUMASK_MONOCHROME

#define PPUMASK_MONOCHROME   0b00000001

DEVICE_SCREEN_X_OFFSET

#define DEVICE_SCREEN_X_OFFSET   0

DEVICE_SCREEN_Y_OFFSET

#define DEVICE_SCREEN_Y_OFFSET   0

DEVICE_SCREEN_WIDTH

#define DEVICE_SCREEN_WIDTH   32

DEVICE_SCREEN_HEIGHT

#define DEVICE_SCREEN_HEIGHT   30

DEVICE_SCREEN_BUFFER_WIDTH

#define DEVICE_SCREEN_BUFFER_WIDTH   32

DEVICE_SCREEN_BUFFER_HEIGHT

#define DEVICE_SCREEN_BUFFER_HEIGHT   30

DEVICE_SCREEN_MAP_ENTRY_SIZE

#define DEVICE_SCREEN_MAP_ENTRY_SIZE   1

DEVICE_SPRITE_PX_OFFSET_X

#define DEVICE_SPRITE_PX_OFFSET_X   0

DEVICE_SPRITE_PX_OFFSET_Y

#define DEVICE_SPRITE_PX_OFFSET_Y   -1

DEVICE_WINDOW_PX_OFFSET_X

#define DEVICE_WINDOW_PX_OFFSET_X   0

DEVICE_WINDOW_PX_OFFSET_Y

#define DEVICE_WINDOW_PX_OFFSET_Y   0

DEVICE_SCREEN_PX_WIDTH

#define DEVICE_SCREEN_PX_WIDTH   (DEVICE_SCREEN_WIDTH * 8)

DEVICE_SCREEN_PX_HEIGHT

#define DEVICE_SCREEN_PX_HEIGHT   (DEVICE_SCREEN_HEIGHT * 8)

SCY_REG

#define SCY_REG   bkg_scroll_y

Scroll Y

rSCY

#define rSCY   SCY_REG

SCX_REG

#define SCX_REG   bkg_scroll_x

Scroll X

rSCX

#define rSCX   SCX_REG

LY_REG

#define LY_REG   _lcd_scanline

LCDC Y-coordinate

rLY

#define rLY   LY_REG

LYC_REG

#define LYC_REG   _lcd_scanline

LY compare

rLYC

#define rLYC   LYC_REG

Function Documentation

__REG() [1/9]

__REG

(

0x2000

)

__REG() [2/9]

__REG

(

0x2001

)

__REG() [3/9]

__REG

(

0x2002

)

__REG() [4/9]

__REG

(

0x2003

)

__REG() [5/9]

__REG

(

0x2004

)

__REG() [6/9]

__REG

(

0x2005

)

__REG() [7/9]

__REG

(

0x2006

)

__REG() [8/9]

__REG

(

0x2007

)

__REG() [9/9]

__REG

(

0x4014

)

Variable Documentation

shadow_PPUCTRL

__SHADOW_REG shadow_PPUCTRL

shadow_PPUMASK

__SHADOW_REG shadow_PPUMASK

bkg_scroll_x

__SHADOW_REG bkg_scroll_x

bkg_scroll_y

__SHADOW_REG bkg_scroll_y

_lcd_scanline

__SHADOW_REG _lcd_scanline

TIMA_REG

volatile UBYTE TIMA_REG

extern

Timer counter

TMA_REG

volatile UBYTE TMA_REG

extern

Timer modulo

TAC_REG

volatile UBYTE TAC_REG

extern

Timer control