GBDK 2020 Docs
4.1.1
API Documentation for GBDK 2020
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#include <types.h>
Go to the source code of this file.
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 |
Defines that let the NES hardware registers be accessed from C.
#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 2 |
#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) |
__REG | ( | 0x2000 | ) |
__REG | ( | 0x2001 | ) |
__REG | ( | 0x2002 | ) |
__REG | ( | 0x2003 | ) |
__REG | ( | 0x2004 | ) |
__REG | ( | 0x2005 | ) |
__REG | ( | 0x2006 | ) |
__REG | ( | 0x2007 | ) |
__REG | ( | 0x4014 | ) |
__SHADOW_REG shadow_PPUCTRL |
__SHADOW_REG shadow_PPUMASK |
__SHADOW_REG bkg_scroll_x |
__SHADOW_REG bkg_scroll_y |