src = $(wildcard src/*.c) $(wildcard src/gba/*.c)
ssrc = $(wildcard src/gba/*.s) data/lut.s
-obj = $(src:.c=.o) $(ssrc:.s=.o)
-dep = $(src:.c=.d)
+obj = $(src:.c=.arm.o) $(ssrc:.s=.arm.o)
+dep = $(src:.c=.arm.d)
name = gbajam22
elf = $(name).elf
bin = $(name).gba
-include $(dep)
+%.arm.o: %.c
+ $(CC) -o $@ $(CFLAGS) -c $<
+
+%.arm.o: %.s
+ $(AS) -o $@ $(ASFLAGS) $<
+
src/data.o: src/data.s $(data)
tools/pngdump/pngdump:
#include "intr.h"
#include "input.h"
#include "player.h"
+#include "gba.h"
#include "sprite.h"
#include "debug.h"
#include "level.h"
static void update(void);
static void draw(void);
+#ifdef BUILD_GBA
static void vblank(void);
+#endif
static int nframes, num_vbl, backbuf;
-static uint16_t *vram[] = { (uint16_t*)VRAM_LFB_FB0_ADDR, (uint16_t*)VRAM_LFB_FB1_ADDR };
+static uint16_t *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
static const char *testlvl =
"################\n"
unsigned char *fb;
uint16_t *cmap;
- REG_DISPCNT = 4 | DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1;
+ gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
vblperf_setcolor(1);
init_player(&player, lvl);
player.phi = 0x100;
- cmap = (uint16_t*)CRAM_BG_ADDR;
+ cmap = gba_bgpal;
*cmap++ = 0;
for(i=1; i<255; i++) {
*cmap++ = rand();
select_input(BN_DPAD | BN_A | BN_B);
+ /* TODO emulate interrupts on non-GBA builds */
+#ifdef BUILD_GBA
mask(INTR_VBLANK);
screen_vblank = vblank;
unmask(INTR_VBLANK);
+#endif
nframes = 0;
for(;;) {
}
}
+#ifdef BUILD_GBA
__attribute__((noinline, target("arm"), section(".iwram")))
static void vblank(void)
{
num_vbl++;
}
+#endif
--- /dev/null
+#ifndef GBA_H_
+#define GBA_H_
+
+#include <stdint.h>
+#include "gbaregs.h"
+
+#ifdef BUILD_GBA
+#define gba_bgpal (uint16_t*)CRAM_BG_ADDR
+#define gba_objpal (uint16_t*)CRAM_OBJ_ADDR
+
+#define gba_vram (uint16_t*)VRAM_START_ADDR
+#define gba_vram_lfb0 (uint16_t*)VRAM_LFB_FB0_ADDR
+#define gba_vram_lfb1 (uint16_t*)VRAM_LFB_FB1_ADDR
+
+#else
+extern uint16_t gba_bgpal[256], gba_objpal[256];
+
+extern uint16_t gba_vram[96 * 1024];
+#define gba_vram_lfb0 gba_vram
+#define gba_vram_lfb1 (uint16_t*)((char*)gba_vram + 0xa000)
+#endif
+
+void gba_setmode(int mode, unsigned int flags);
+
+#endif /* GBA_H_ */
--- /dev/null
+#include "gba.h"
+
+void gba_setmode(int mode, unsigned int flags)
+{
+ REG_DISPCNT = mode | flags;
+}
+
+++ /dev/null
-#ifndef GBAREGS_H_
-#define GBAREGS_H_
-
-#include <stdint.h>
-
-#define VRAM_START_ADDR 0x6000000
-#define VRAM_BG_ADDR VRAM_START_ADDR
-#define VRAM_OBJ_ADDR 0x6010000
-#define VRAM_LFB_OBJ_ADDR 0x6014000
-#define VRAM_LFB_FB0_ADDR VRAM_START_ADDR
-#define VRAM_LFB_FB1_ADDR 0x600a000
-
-/* address of character data block x (4 possible blocks, 16k each) */
-#define VRAM_CHR_BLOCK_ADDR(x) (VRAM_START_ADDR + ((x) << 14))
-/* address of screen data block x (32 possible blocks, 2k each) */
-#define VRAM_SCR_BLOCK_ADDR(x) (VRAM_START_ADDR + ((x) << 11))
-
-/* fields of a background tile in screen memory */
-#define BGTILE_HFLIP 0x0400
-#define BGTILE_VFLIP 0x0800
-#define BGTILE_PAL(x) ((uint16_t)(x) << 12)
-
-/* color palette ram addresses for backgrounds and sprites */
-#define CRAM_BG_ADDR 0x5000000
-#define CRAM_OBJ_ADDR 0x5000200
-
-/* OAM table */
-#define OAM_ADDR 0x7000000
-
-/* interrupt handler */
-#define INTR_VECTOR (*(volatile uint32_t*)0x3007ffc)
-
-/* battery backed RAM address */
-#define SRAM_ADDR 0xe000000
-
-/* I/O space */
-
-#define REG_BASE 0x4000000
-#define REG8(x) (*(volatile uint8_t*)(REG_BASE + (x)))
-#define REG16(x) (*(volatile uint16_t*)(REG_BASE + (x)))
-#define REG32(x) (*(volatile uint32_t*)(REG_BASE + (x)))
-
-/* ---- display registers ---- */
-#define REG_DISPCNT REG16(0x00)
-#define REG_GREENSWAP REG16(0x02)
-#define REG_DISPSTAT REG16(0x04)
-#define REG_VCOUNT REG16(0x06)
-#define REG_BG0CNT REG16(0x08)
-#define REG_BG1CNT REG16(0x0a)
-#define REG_BG2CNT REG16(0x0c)
-#define REG_BG3CNT REG16(0x0e)
-/* scrolling registers */
-#define REG_BG0HOFS REG16(0x10)
-#define REG_BG0VOFS REG16(0x12)
-#define REG_BG1HOFS REG16(0x14)
-#define REG_BG1VOFS REG16(0x16)
-#define REG_BG2HOFS REG16(0x18)
-#define REG_BG2VOFS REG16(0x1a)
-#define REG_BG3HOFS REG16(0x1c)
-#define REG_BG3VOFS REG16(0x1e)
-/* BG rotation and scaling registers */
-#define REG_BG2PA REG16(0x20)
-#define REG_BG2PB REG16(0x22)
-#define REG_BG2PC REG16(0x24)
-#define REG_BG2PD REG16(0x26)
-#define REG_BG2X REG32(0x28)
-#define REG_BG2Y REG32(0x2c)
-#define REG_BG3PA REG16(0x30)
-#define REG_BG3PB REG16(0x32)
-#define REG_BG3PC REG16(0x34)
-#define REG_BG3PD REG16(0x36)
-#define REG_BG3X REG32(0x38)
-#define REG_BG3Y REG32(0x3c)
-/* window registers */
-#define REG_WIN0H REG16(0x40)
-#define REG_WIN1H REG16(0x42)
-#define REG_WIN0V REG16(0x44)
-#define REG_WIN1V REG16(0x46)
-#define REG_WININ REG16(0x48)
-#define REG_WINOUT REG16(0x4a)
-
-#define REG_MOSAIC REG16(0x4c)
-/* color effects */
-#define REG_BLDCNT REG16(0x50)
-#define REG_BLDALPHA REG16(0x52)
-#define REG_BLDY REG16(0x54)
-
-/* ---- sound registers ---- */
-#define REG_SOUND1CNT_L REG16(0x60)
-#define REG_SOUND1CNT_H REG16(0x62)
-#define REG_SOUND1CNT_X REG16(0x64)
-#define REG_SOUND2CNT_L REG16(0x68)
-#define REG_SOUND2CNT_H REG16(0x6c)
-#define REG_SOUND3CNT_L REG16(0x70)
-#define REG_SOUND3CNT_H REG16(0x72)
-#define REG_SOUND3CNT_X REG16(0x74)
-#define REG_SOUND4CNT_L REG16(0x78)
-#define REG_SOUND4CNT_H REG16(0x7c)
-#define REG_SOUNDCNT_L REG16(0x80)
-#define REG_SOUNDCNT_H REG16(0x82)
-#define REG_SOUNDCNT_X REG16(0x84)
-#define REG_SOUNDBIAS REG16(0x88)
-#define WAVE_RAM_PTR ((unsigned char*)(REG_BASE + 0x90))
-#define REG_FIFO_A REG32(0xa0)
-#define REG_FIFO_B REG32(0xa4)
-#define FIFO_A_PTR ((unsigned char*)(REG_BASE + 0xa0))
-#define FIFO_B_PTR ((unsigned char*)(REG_BASE + 0xa4))
-
-/* ---- DMA registers ---- */
-#define REG_DMA0SAD REG32(0xb0)
-#define REG_DMA0DAD REG32(0xb4)
-#define REG_DMA0CNT REG32(0xb8)
-#define REG_DMA0CNT_L REG16(0xb8)
-#define REG_DMA0CNT_H REG16(0xba)
-#define REG_DMA1SAD REG32(0xbc)
-#define REG_DMA1DAD REG32(0xc0)
-#define REG_DMA1CNT REG32(0xc4)
-#define REG_DMA1CNT_L REG16(0xc4)
-#define REG_DMA1CNT_H REG16(0xc6)
-#define REG_DMA2SAD REG32(0xc8)
-#define REG_DMA2DAD REG32(0xcc)
-#define REG_DMA2CNT REG32(0xd0)
-#define REG_DMA2CNT_L REG16(0xd0)
-#define REG_DMA2CNT_H REG16(0xd2)
-#define REG_DMA3SAD REG32(0xd4)
-#define REG_DMA3DAD REG32(0xd8)
-#define REG_DMA3CNT REG32(0xdc)
-#define REG_DMA3CNT_L REG16(0xdc)
-#define REG_DMA3CNT_H REG16(0xde)
-
-/* ---- timer registers ---- */
-#define REG_TM0CNT_L REG16(0x100)
-#define REG_TM0CNT_H REG16(0x102)
-#define REG_TM1CNT_L REG16(0x104)
-#define REG_TM1CNT_H REG16(0x106)
-#define REG_TM2CNT_L REG16(0x108)
-#define REG_TM2CNT_H REG16(0x10a)
-#define REG_TM3CNT_L REG16(0x10c)
-#define REG_TM3CNT_H REG16(0x10e)
-
-#define REG_TMCNT_L(x) REG16(0x100 + ((x) << 2))
-#define REG_TMCNT_H(x) REG16(0x102 + ((x) << 2))
-
-/* ---- communication registers (serial/joybus/gpio) ---- */
-#define REG_SIODATA32 REG32(0x120)
-#define REG_SIOMULTI0 REG16(0x120)
-#define REG_SIOMULTI1 REG16(0x122)
-#define REG_SIOMULTI2 REG16(0x124)
-#define REG_SIOMULTI3 REG16(0x126)
-#define REG_SIOCNT REG16(0x128)
-#define REG_SIOMLT_SEND REG16(0x12a)
-#define REG_SIODATA8 REG16(0x12a)
-#define REG_RCNT REG16(0x134)
-#define REG_JOYCNT REG16(0x140)
-#define REG_JOY_RECV REG32(0x150)
-#define REG_JOY_TRANS REG32(0x154)
-#define REG_JOYSTAT REG16(0x158)
-
-/* ---- keypad registers ---- */
-#define REG_KEYINPUT REG16(0x130)
-#define REG_KEYCNT REG16(0x132)
-
-/* ---- interrupts ---- */
-#define REG_IE REG16(0x200)
-#define REG_IF REG16(0x202)
-#define REG_WAITCNT REG16(0x204)
-#define REG_IME REG16(0x208)
-
-#define REG_POSTFLG REG8(0x300)
-#define REG_HALTCNT REG8(0x301)
-#define REG_INTMEMCNT REG32(0x800)
-
-/* REG_DISPSTAT bits */
-#define DISPSTAT_VBLANK 0x01
-#define DISPSTAT_HBLANK 0x02
-#define DISPSTAT_VMATCH 0x04
-#define DISPSTAT_IEN_VBLANK 0x08
-#define DISPSTAT_IEN_HBLANK 0x10
-#define DISPSTAT_IEN_VMATCH 0x20
-#define DISPSTAT_VCOUNT(x) ((uint16_t)(x) << 8)
-
-/* REG_DISPCNT bits */
-#define DISPCNT_MODE(x) (x)
-#define DISPCNT_FB1 0x0010
-#define DISPCNT_HBLANK_OBJPROC 0x0020
-#define DISPCNT_OBJMAP_1D 0x0040
-#define DISPCNT_FORCE_BLANK 0x0080
-#define DISPCNT_BG0 0x0100
-#define DISPCNT_BG1 0x0200
-#define DISPCNT_BG2 0x0400
-#define DISPCNT_BG3 0x0800
-#define DISPCNT_OBJ 0x1000
-#define DISPCNT_WIN0 0x2000
-#define DISPCNT_WIN1 0x4000
-#define DISPCNT_WINOBJ 0x8000
-
-/* REG_BGXCNT bits */
-#define BGCNT_PRIO(x) ((uint16_t)(x))
-#define BGCNT_CHR_BASE(x) ((uint16_t)(x) << 2)
-#define BGCNT_MOSAIC 0x0040
-#define BGCNT_256COL 0x0080
-#define BGCNT_SCR_BASE(x) ((uint16_t)(x) << 8)
-#define BGCNT_WRAP 0x2000
-
-#define BGCNT_SZ(x) ((uint16_t)(x) << 14)
-#define BGCNT_SZ_TX_256X256 BGCNT_SZ(0)
-#define BGCNT_SZ_RS_128X128 BGCNT_SZ(0)
-#define BGCNT_SZ_TX_512X256 BGCNT_SZ(1)
-#define BGCNT_SZ_RS_256X256 BGCNT_SZ(1)
-#define BGCNT_SZ_TX_256X512 BGCNT_SZ(2)
-#define BGCNT_SZ_RS_512X512 BGCNT_SZ(2)
-#define BGCNT_SZ_TX_512X512 BGCNT_SZ(3)
-#define BGCNT_SZ_RS_1024X1024 BGCNT_SZ(3)
-
-/* REG_BLDCNT bits */
-#define BLDCNT_A_BG0 0x0001
-#define BLDCNT_A_BG1 0x0002
-#define BLDCNT_A_BG2 0x0004
-#define BLDCNT_A_BG3 0x0008
-#define BLDCNT_A_OBJ 0x0010
-#define BLDCNT_A_BACKDROP 0x0020
-#define BLDCNT_B_BG0 0x0100
-#define BLDCNT_B_BG1 0x0200
-#define BLDCNT_B_BG2 0x0400
-#define BLDCNT_B_BG3 0x0800
-#define BLDCNT_B_OBJ 0x1000
-#define BLDCNT_B_BACKDROP 0x2000
-
-#define BLDCNT_ALPHA 0x0040
-#define BLDCNT_BRIGHTEN 0x0080
-#define BLDCNT_DARKEN 0x00c0
-
-/* REG_IF bits */
-#define IF_VBLANK 0x0001
-#define IF_HBLANK 0x0002
-#define IF_VMATCH 0x0004
-#define IF_TIMER0 0x0008
-#define IF_TIMER1 0x0010
-#define IF_TIMER2 0x0020
-#define IF_TIMER3 0x0040
-#define IF_COMM 0x0080
-#define IF_DMA0 0x0100
-#define IF_DMA1 0x0200
-#define IF_DMA2 0x0400
-#define IF_DMA3 0x0800
-#define IF_KEY 0x1000
-#define IF_GPAK 0x2000
-
-/* REG_TMXCNT bits */
-#define TMCNT_PRESCL_CLK1 0
-#define TMCNT_PRESCL_CLK64 1
-#define TMCNT_PRESCL_CLK256 2
-#define TMCNT_PRESCL_CLK1024 3
-
-#define TMCNT_CASCADE 0x04
-#define TMCNT_IE 0x40
-#define TMCNT_EN 0x80
-
-/* REG_KEY* bits */
-#define KEY_A 0x0001
-#define KEY_B 0x0002
-#define KEY_SELECT 0x0004
-#define KEY_START 0x0008
-#define KEY_RIGHT 0x0010
-#define KEY_LEFT 0x0020
-#define KEY_UP 0x0040
-#define KEY_DOWN 0x0080
-#define KEY_RT 0x0100
-#define KEY_LT 0x0200
-
-#define KEYCNT_IE 0x4000
-#define KEYCNT_IAND 0x8000
-
-/* REG_SOUNDCNT_L bits */
-#define SCNT_SS_LVOL(x) ((x) & 7)
-#define SCNT_SS_RVOL(x) (((x) & 7) << 4)
-#define SCNT_SS_VOL(x) (SCNT_SS_LVOL(x) | SCNT_SS_RVOL(x))
-#define SCNT_SS1_EN_R 0x0100
-#define SCNT_SS2_EN_R 0x0200
-#define SCNT_SS3_EN_R 0x0400
-#define SCNT_SS4_EN_R 0x0800
-#define SCNT_SS_EN_R(x) (SCNT_SS1_EN_R << (x))
-#define SCNT_SS1_EN_L 0x1000
-#define SCNT_SS2_EN_L 0x2000
-#define SCNT_SS3_EN_L 0x4000
-#define SCNT_SS4_EN_L 0x8000
-#define SCNT_SS_EN_L(x) (SCNT_SS1_EN_L << (x))
-#define SCNT_SS1_EN (SCNT_SS1_EN_R | SCNT_SS1_EN_L)
-#define SCNT_SS2_EN (SCNT_SS2_EN_R | SCNT_SS2_EN_L)
-#define SCNT_SS3_EN (SCNT_SS3_EN_R | SCNT_SS3_EN_L)
-#define SCNT_SS4_EN (SCNT_SS4_EN_R | SCNT_SS4_EN_L)
-#define SCNT_SS_EN(x) (SCNT_SS_EN_L(x) | SCNT_SS_EN_R(x))
-
-#define SCNT_SS1 0
-#define SCNT_SS2 1
-#define SCNT_SS3 2
-#define SCNT_SS4 3
-
-/* REG_SOUNDCNT_X bits */
-#define SCNT_MASTER_EN 0x0080
-
-/* REG_SOUNDCNT_H bits */
-#define SCNT_SS_VOL_QRT 0x0000
-#define SCNT_SS_VOL_HALF 0x0001
-#define SCNT_SS_VOL_FULL 0x0002
-#define SCNT_DSA_VOL_HALF 0
-#define SCNT_DSA_VOL_FULL 0x0004
-#define SCNT_DSB_VOL_HALF 0
-#define SCNT_DSB_VOL_FULL 0x0008
-#define SCNT_DSA_EN_R 0x0100
-#define SCNT_DSA_EN_L 0x0200
-#define SCNT_DSA_TIMER0 0
-#define SCNT_DSA_TIMER1 0x0400
-#define SCNT_DSA_CLRFIFO 0x0800
-#define SCNT_DSB_EN_R 0x1000
-#define SCNT_DSB_EN_L 0x2000
-#define SCNT_DSB_TIMER0 0
-#define SCNT_DSB_TIMER1 0x4000
-#define SCNT_DSB_CLRFIFO 0x8000
-
-/* REG_DMAxCNT_H bits */
-#define DMACNTH_DST_INC 0
-#define DMACNTH_DST_DEC 0x0020
-#define DMACNTH_DST_FIXED 0x0040
-#define DMACNTH_INC_RELOAD 0x0060
-#define DMACNTH_SRC_INC 0
-#define DMACNTH_SRC_DEC 0x0080
-#define DMACNTH_SRC_FIXED 0x0100
-#define DMACNTH_REPEAT 0x0200
-#define DMACNTH_16BIT 0
-#define DMACNTH_32BIT 0x0400
-#define DMACNTH_VBLANK 0x1000
-#define DMACNTH_HBLANK 0x2000
-#define DMACNTH_SOUND 0x3000
-#define DMACNTH_IEN 0x4000
-#define DMACNTH_EN 0x8000
-
-#define DMACNT_DST_INC 0
-#define DMACNT_DST_DEC 0x00200000
-#define DMACNT_DST_FIXED 0x00400000
-#define DMACNT_INC_RELOAD 0x00600000
-#define DMACNT_SRC_INC 0
-#define DMACNT_SRC_DEC 0x00800000
-#define DMACNT_SRC_FIXED 0x01000000
-#define DMACNT_REPEAT 0x02000000
-#define DMACNT_16BIT 0
-#define DMACNT_32BIT 0x04000000
-#define DMACNT_VBLANK 0x10000000
-#define DMACNT_HBLANK 0x20000000
-#define DMACNT_SOUND 0x30000000
-#define DMACNT_IEN 0x40000000
-#define DMACNT_EN 0x80000000
-
-/* REG_WAITCNT bits */
-#define WAITCNT_ROM_4_2 0x0000
-#define WAITCNT_ROM_3_2 0x0004
-#define WAITCNT_ROM_2_2 0x0008
-#define WAITCNT_ROM_8_2 0x000c
-#define WAITCNT_ROM_4_1 0x0010
-#define WAITCNT_ROM_3_1 0x0014
-#define WAITCNT_ROM_2_1 0x0018
-#define WAITCNT_ROM_8_1 0x001c
-#define WAITCNT_PREFETCH 0x4000
-
-#endif /* GBAREGS_H_ */
--- /dev/null
+#ifndef GBAREGS_H_
+#define GBAREGS_H_
+
+#include <stdint.h>
+
+#define VRAM_START_ADDR 0x6000000
+#define VRAM_BG_ADDR VRAM_START_ADDR
+#define VRAM_OBJ_ADDR 0x6010000
+#define VRAM_LFB_OBJ_ADDR 0x6014000
+#define VRAM_LFB_FB0_ADDR VRAM_START_ADDR
+#define VRAM_LFB_FB1_ADDR 0x600a000
+
+/* address of character data block x (4 possible blocks, 16k each) */
+#define VRAM_CHR_BLOCK_ADDR(x) (VRAM_START_ADDR + ((x) << 14))
+/* address of screen data block x (32 possible blocks, 2k each) */
+#define VRAM_SCR_BLOCK_ADDR(x) (VRAM_START_ADDR + ((x) << 11))
+
+/* fields of a background tile in screen memory */
+#define BGTILE_HFLIP 0x0400
+#define BGTILE_VFLIP 0x0800
+#define BGTILE_PAL(x) ((uint16_t)(x) << 12)
+
+/* color palette ram addresses for backgrounds and sprites */
+#define CRAM_BG_ADDR 0x5000000
+#define CRAM_OBJ_ADDR 0x5000200
+
+/* OAM table */
+#define OAM_ADDR 0x7000000
+
+/* interrupt handler */
+#define INTR_VECTOR (*(volatile uint32_t*)0x3007ffc)
+
+/* battery backed RAM address */
+#define SRAM_ADDR 0xe000000
+
+/* I/O space */
+
+#define REG_BASE 0x4000000
+#define REG8(x) (*(volatile uint8_t*)(REG_BASE + (x)))
+#define REG16(x) (*(volatile uint16_t*)(REG_BASE + (x)))
+#define REG32(x) (*(volatile uint32_t*)(REG_BASE + (x)))
+
+/* ---- display registers ---- */
+#define REG_DISPCNT REG16(0x00)
+#define REG_GREENSWAP REG16(0x02)
+#define REG_DISPSTAT REG16(0x04)
+#define REG_VCOUNT REG16(0x06)
+#define REG_BG0CNT REG16(0x08)
+#define REG_BG1CNT REG16(0x0a)
+#define REG_BG2CNT REG16(0x0c)
+#define REG_BG3CNT REG16(0x0e)
+/* scrolling registers */
+#define REG_BG0HOFS REG16(0x10)
+#define REG_BG0VOFS REG16(0x12)
+#define REG_BG1HOFS REG16(0x14)
+#define REG_BG1VOFS REG16(0x16)
+#define REG_BG2HOFS REG16(0x18)
+#define REG_BG2VOFS REG16(0x1a)
+#define REG_BG3HOFS REG16(0x1c)
+#define REG_BG3VOFS REG16(0x1e)
+/* BG rotation and scaling registers */
+#define REG_BG2PA REG16(0x20)
+#define REG_BG2PB REG16(0x22)
+#define REG_BG2PC REG16(0x24)
+#define REG_BG2PD REG16(0x26)
+#define REG_BG2X REG32(0x28)
+#define REG_BG2Y REG32(0x2c)
+#define REG_BG3PA REG16(0x30)
+#define REG_BG3PB REG16(0x32)
+#define REG_BG3PC REG16(0x34)
+#define REG_BG3PD REG16(0x36)
+#define REG_BG3X REG32(0x38)
+#define REG_BG3Y REG32(0x3c)
+/* window registers */
+#define REG_WIN0H REG16(0x40)
+#define REG_WIN1H REG16(0x42)
+#define REG_WIN0V REG16(0x44)
+#define REG_WIN1V REG16(0x46)
+#define REG_WININ REG16(0x48)
+#define REG_WINOUT REG16(0x4a)
+
+#define REG_MOSAIC REG16(0x4c)
+/* color effects */
+#define REG_BLDCNT REG16(0x50)
+#define REG_BLDALPHA REG16(0x52)
+#define REG_BLDY REG16(0x54)
+
+/* ---- sound registers ---- */
+#define REG_SOUND1CNT_L REG16(0x60)
+#define REG_SOUND1CNT_H REG16(0x62)
+#define REG_SOUND1CNT_X REG16(0x64)
+#define REG_SOUND2CNT_L REG16(0x68)
+#define REG_SOUND2CNT_H REG16(0x6c)
+#define REG_SOUND3CNT_L REG16(0x70)
+#define REG_SOUND3CNT_H REG16(0x72)
+#define REG_SOUND3CNT_X REG16(0x74)
+#define REG_SOUND4CNT_L REG16(0x78)
+#define REG_SOUND4CNT_H REG16(0x7c)
+#define REG_SOUNDCNT_L REG16(0x80)
+#define REG_SOUNDCNT_H REG16(0x82)
+#define REG_SOUNDCNT_X REG16(0x84)
+#define REG_SOUNDBIAS REG16(0x88)
+#define WAVE_RAM_PTR ((unsigned char*)(REG_BASE + 0x90))
+#define REG_FIFO_A REG32(0xa0)
+#define REG_FIFO_B REG32(0xa4)
+#define FIFO_A_PTR ((unsigned char*)(REG_BASE + 0xa0))
+#define FIFO_B_PTR ((unsigned char*)(REG_BASE + 0xa4))
+
+/* ---- DMA registers ---- */
+#define REG_DMA0SAD REG32(0xb0)
+#define REG_DMA0DAD REG32(0xb4)
+#define REG_DMA0CNT REG32(0xb8)
+#define REG_DMA0CNT_L REG16(0xb8)
+#define REG_DMA0CNT_H REG16(0xba)
+#define REG_DMA1SAD REG32(0xbc)
+#define REG_DMA1DAD REG32(0xc0)
+#define REG_DMA1CNT REG32(0xc4)
+#define REG_DMA1CNT_L REG16(0xc4)
+#define REG_DMA1CNT_H REG16(0xc6)
+#define REG_DMA2SAD REG32(0xc8)
+#define REG_DMA2DAD REG32(0xcc)
+#define REG_DMA2CNT REG32(0xd0)
+#define REG_DMA2CNT_L REG16(0xd0)
+#define REG_DMA2CNT_H REG16(0xd2)
+#define REG_DMA3SAD REG32(0xd4)
+#define REG_DMA3DAD REG32(0xd8)
+#define REG_DMA3CNT REG32(0xdc)
+#define REG_DMA3CNT_L REG16(0xdc)
+#define REG_DMA3CNT_H REG16(0xde)
+
+/* ---- timer registers ---- */
+#define REG_TM0CNT_L REG16(0x100)
+#define REG_TM0CNT_H REG16(0x102)
+#define REG_TM1CNT_L REG16(0x104)
+#define REG_TM1CNT_H REG16(0x106)
+#define REG_TM2CNT_L REG16(0x108)
+#define REG_TM2CNT_H REG16(0x10a)
+#define REG_TM3CNT_L REG16(0x10c)
+#define REG_TM3CNT_H REG16(0x10e)
+
+#define REG_TMCNT_L(x) REG16(0x100 + ((x) << 2))
+#define REG_TMCNT_H(x) REG16(0x102 + ((x) << 2))
+
+/* ---- communication registers (serial/joybus/gpio) ---- */
+#define REG_SIODATA32 REG32(0x120)
+#define REG_SIOMULTI0 REG16(0x120)
+#define REG_SIOMULTI1 REG16(0x122)
+#define REG_SIOMULTI2 REG16(0x124)
+#define REG_SIOMULTI3 REG16(0x126)
+#define REG_SIOCNT REG16(0x128)
+#define REG_SIOMLT_SEND REG16(0x12a)
+#define REG_SIODATA8 REG16(0x12a)
+#define REG_RCNT REG16(0x134)
+#define REG_JOYCNT REG16(0x140)
+#define REG_JOY_RECV REG32(0x150)
+#define REG_JOY_TRANS REG32(0x154)
+#define REG_JOYSTAT REG16(0x158)
+
+/* ---- keypad registers ---- */
+#define REG_KEYINPUT REG16(0x130)
+#define REG_KEYCNT REG16(0x132)
+
+/* ---- interrupts ---- */
+#define REG_IE REG16(0x200)
+#define REG_IF REG16(0x202)
+#define REG_WAITCNT REG16(0x204)
+#define REG_IME REG16(0x208)
+
+#define REG_POSTFLG REG8(0x300)
+#define REG_HALTCNT REG8(0x301)
+#define REG_INTMEMCNT REG32(0x800)
+
+/* REG_DISPSTAT bits */
+#define DISPSTAT_VBLANK 0x01
+#define DISPSTAT_HBLANK 0x02
+#define DISPSTAT_VMATCH 0x04
+#define DISPSTAT_IEN_VBLANK 0x08
+#define DISPSTAT_IEN_HBLANK 0x10
+#define DISPSTAT_IEN_VMATCH 0x20
+#define DISPSTAT_VCOUNT(x) ((uint16_t)(x) << 8)
+
+/* REG_DISPCNT bits */
+#define DISPCNT_MODE(x) (x)
+#define DISPCNT_FB1 0x0010
+#define DISPCNT_HBLANK_OBJPROC 0x0020
+#define DISPCNT_OBJMAP_1D 0x0040
+#define DISPCNT_FORCE_BLANK 0x0080
+#define DISPCNT_BG0 0x0100
+#define DISPCNT_BG1 0x0200
+#define DISPCNT_BG2 0x0400
+#define DISPCNT_BG3 0x0800
+#define DISPCNT_OBJ 0x1000
+#define DISPCNT_WIN0 0x2000
+#define DISPCNT_WIN1 0x4000
+#define DISPCNT_WINOBJ 0x8000
+
+/* REG_BGXCNT bits */
+#define BGCNT_PRIO(x) ((uint16_t)(x))
+#define BGCNT_CHR_BASE(x) ((uint16_t)(x) << 2)
+#define BGCNT_MOSAIC 0x0040
+#define BGCNT_256COL 0x0080
+#define BGCNT_SCR_BASE(x) ((uint16_t)(x) << 8)
+#define BGCNT_WRAP 0x2000
+
+#define BGCNT_SZ(x) ((uint16_t)(x) << 14)
+#define BGCNT_SZ_TX_256X256 BGCNT_SZ(0)
+#define BGCNT_SZ_RS_128X128 BGCNT_SZ(0)
+#define BGCNT_SZ_TX_512X256 BGCNT_SZ(1)
+#define BGCNT_SZ_RS_256X256 BGCNT_SZ(1)
+#define BGCNT_SZ_TX_256X512 BGCNT_SZ(2)
+#define BGCNT_SZ_RS_512X512 BGCNT_SZ(2)
+#define BGCNT_SZ_TX_512X512 BGCNT_SZ(3)
+#define BGCNT_SZ_RS_1024X1024 BGCNT_SZ(3)
+
+/* REG_BLDCNT bits */
+#define BLDCNT_A_BG0 0x0001
+#define BLDCNT_A_BG1 0x0002
+#define BLDCNT_A_BG2 0x0004
+#define BLDCNT_A_BG3 0x0008
+#define BLDCNT_A_OBJ 0x0010
+#define BLDCNT_A_BACKDROP 0x0020
+#define BLDCNT_B_BG0 0x0100
+#define BLDCNT_B_BG1 0x0200
+#define BLDCNT_B_BG2 0x0400
+#define BLDCNT_B_BG3 0x0800
+#define BLDCNT_B_OBJ 0x1000
+#define BLDCNT_B_BACKDROP 0x2000
+
+#define BLDCNT_ALPHA 0x0040
+#define BLDCNT_BRIGHTEN 0x0080
+#define BLDCNT_DARKEN 0x00c0
+
+/* REG_IF bits */
+#define IF_VBLANK 0x0001
+#define IF_HBLANK 0x0002
+#define IF_VMATCH 0x0004
+#define IF_TIMER0 0x0008
+#define IF_TIMER1 0x0010
+#define IF_TIMER2 0x0020
+#define IF_TIMER3 0x0040
+#define IF_COMM 0x0080
+#define IF_DMA0 0x0100
+#define IF_DMA1 0x0200
+#define IF_DMA2 0x0400
+#define IF_DMA3 0x0800
+#define IF_KEY 0x1000
+#define IF_GPAK 0x2000
+
+/* REG_TMXCNT bits */
+#define TMCNT_PRESCL_CLK1 0
+#define TMCNT_PRESCL_CLK64 1
+#define TMCNT_PRESCL_CLK256 2
+#define TMCNT_PRESCL_CLK1024 3
+
+#define TMCNT_CASCADE 0x04
+#define TMCNT_IE 0x40
+#define TMCNT_EN 0x80
+
+/* REG_KEY* bits */
+#define KEY_A 0x0001
+#define KEY_B 0x0002
+#define KEY_SELECT 0x0004
+#define KEY_START 0x0008
+#define KEY_RIGHT 0x0010
+#define KEY_LEFT 0x0020
+#define KEY_UP 0x0040
+#define KEY_DOWN 0x0080
+#define KEY_RT 0x0100
+#define KEY_LT 0x0200
+
+#define KEYCNT_IE 0x4000
+#define KEYCNT_IAND 0x8000
+
+/* REG_SOUNDCNT_L bits */
+#define SCNT_SS_LVOL(x) ((x) & 7)
+#define SCNT_SS_RVOL(x) (((x) & 7) << 4)
+#define SCNT_SS_VOL(x) (SCNT_SS_LVOL(x) | SCNT_SS_RVOL(x))
+#define SCNT_SS1_EN_R 0x0100
+#define SCNT_SS2_EN_R 0x0200
+#define SCNT_SS3_EN_R 0x0400
+#define SCNT_SS4_EN_R 0x0800
+#define SCNT_SS_EN_R(x) (SCNT_SS1_EN_R << (x))
+#define SCNT_SS1_EN_L 0x1000
+#define SCNT_SS2_EN_L 0x2000
+#define SCNT_SS3_EN_L 0x4000
+#define SCNT_SS4_EN_L 0x8000
+#define SCNT_SS_EN_L(x) (SCNT_SS1_EN_L << (x))
+#define SCNT_SS1_EN (SCNT_SS1_EN_R | SCNT_SS1_EN_L)
+#define SCNT_SS2_EN (SCNT_SS2_EN_R | SCNT_SS2_EN_L)
+#define SCNT_SS3_EN (SCNT_SS3_EN_R | SCNT_SS3_EN_L)
+#define SCNT_SS4_EN (SCNT_SS4_EN_R | SCNT_SS4_EN_L)
+#define SCNT_SS_EN(x) (SCNT_SS_EN_L(x) | SCNT_SS_EN_R(x))
+
+#define SCNT_SS1 0
+#define SCNT_SS2 1
+#define SCNT_SS3 2
+#define SCNT_SS4 3
+
+/* REG_SOUNDCNT_X bits */
+#define SCNT_MASTER_EN 0x0080
+
+/* REG_SOUNDCNT_H bits */
+#define SCNT_SS_VOL_QRT 0x0000
+#define SCNT_SS_VOL_HALF 0x0001
+#define SCNT_SS_VOL_FULL 0x0002
+#define SCNT_DSA_VOL_HALF 0
+#define SCNT_DSA_VOL_FULL 0x0004
+#define SCNT_DSB_VOL_HALF 0
+#define SCNT_DSB_VOL_FULL 0x0008
+#define SCNT_DSA_EN_R 0x0100
+#define SCNT_DSA_EN_L 0x0200
+#define SCNT_DSA_TIMER0 0
+#define SCNT_DSA_TIMER1 0x0400
+#define SCNT_DSA_CLRFIFO 0x0800
+#define SCNT_DSB_EN_R 0x1000
+#define SCNT_DSB_EN_L 0x2000
+#define SCNT_DSB_TIMER0 0
+#define SCNT_DSB_TIMER1 0x4000
+#define SCNT_DSB_CLRFIFO 0x8000
+
+/* REG_DMAxCNT_H bits */
+#define DMACNTH_DST_INC 0
+#define DMACNTH_DST_DEC 0x0020
+#define DMACNTH_DST_FIXED 0x0040
+#define DMACNTH_INC_RELOAD 0x0060
+#define DMACNTH_SRC_INC 0
+#define DMACNTH_SRC_DEC 0x0080
+#define DMACNTH_SRC_FIXED 0x0100
+#define DMACNTH_REPEAT 0x0200
+#define DMACNTH_16BIT 0
+#define DMACNTH_32BIT 0x0400
+#define DMACNTH_VBLANK 0x1000
+#define DMACNTH_HBLANK 0x2000
+#define DMACNTH_SOUND 0x3000
+#define DMACNTH_IEN 0x4000
+#define DMACNTH_EN 0x8000
+
+#define DMACNT_DST_INC 0
+#define DMACNT_DST_DEC 0x00200000
+#define DMACNT_DST_FIXED 0x00400000
+#define DMACNT_INC_RELOAD 0x00600000
+#define DMACNT_SRC_INC 0
+#define DMACNT_SRC_DEC 0x00800000
+#define DMACNT_SRC_FIXED 0x01000000
+#define DMACNT_REPEAT 0x02000000
+#define DMACNT_16BIT 0
+#define DMACNT_32BIT 0x04000000
+#define DMACNT_VBLANK 0x10000000
+#define DMACNT_HBLANK 0x20000000
+#define DMACNT_SOUND 0x30000000
+#define DMACNT_IEN 0x40000000
+#define DMACNT_EN 0x80000000
+
+/* REG_WAITCNT bits */
+#define WAITCNT_ROM_4_2 0x0000
+#define WAITCNT_ROM_3_2 0x0004
+#define WAITCNT_ROM_2_2 0x0008
+#define WAITCNT_ROM_8_2 0x000c
+#define WAITCNT_ROM_4_1 0x0010
+#define WAITCNT_ROM_3_1 0x0014
+#define WAITCNT_ROM_2_1 0x0018
+#define WAITCNT_ROM_8_1 0x001c
+#define WAITCNT_PREFETCH 0x4000
+
+#endif /* GBAREGS_H_ */
--- /dev/null
+#include "gba.h"
+
+uint16_t gba_bgpal[256], gba_objpal[256];
+
+uint16_t gba_vram[96 * 1024];
+
+void gba_setmode(int mode, unsigned int flags)
+{
+}
#include <assert.h>
#include "miniglut.h"
#include "game.h"
+#include "gba.h"
static void display(void);
static void idle(void);
{
modkeys = glutGetModifiers();
- if((key == '\n' || key == '\r') && (modkeys & GLUT_ACTIVE_ALT)) {
- opt.fullscreen ^= 1;
- set_fullscreen(opt.fullscreen);
- return;
- }
keystate[key] = 1;
//game_key(key, 1);
}
projects / gbajam22 / commitdiff