scu: add DSP and DMA bits

This commit is contained in:
Zack Buhman 2023-09-09 13:28:25 +00:00
parent 3e162c8d14
commit 582261eef5
2 changed files with 143 additions and 1 deletions

View File

@ -135,7 +135,7 @@ sys_ip.elf: $(SYS_IP_OBJ)
@echo " INDEX 01 00:00:00" >> $@
clean:
rm -f *.iso *.o *.d *.bin *.elf *.cue
rm -f *.iso *.o *.d *.bin *.elf *.cue *.gch
.SUFFIXES:
.INTERMEDIATE:

142
scu.h
View File

@ -70,6 +70,148 @@ extern struct scu scu __asm("scu");
/* bits */
#define D0R__READ_ADDRESS(n) ((n) & 0x3ffffff)
#define D0W__WRITE_ADDRESS(n) ((n) & 0x3ffffff)
#define D0C__BYTE_COUNT(n) ((n) & 0x7ffff)
enum d0ad_bits {
D0AD__D0RA__0BYTES = (0 << 8),
D0AD__D0RA__4BYTES = (1 << 8),
D0AD__D0WA__0BYTES = (0b000 << 0),
D0AD__D0WA__2BYTES = (0b001 << 0),
D0AD__D0WA__4BYTES = (0b010 << 0),
D0AD__D0WA__8BYTES = (0b011 << 0),
D0AD__D0WA__16BYTES = (0b100 << 0),
D0AD__D0WA__32BYTES = (0b101 << 0),
D0AD__D0WA__64BYTES = (0b110 << 0),
D0AD__D0WA__128BYTES = (0b111 << 0),
};
enum d0en_bits {
D0EN__D0EN = (1 << 8),
D0EN__D0GO = (1 << 0),
};
enum d0md_bits {
D0MD__D0MOD = (1 << 24),
D0MD__D0RUP = (1 << 16),
D0MD__D0WUP = (1 << 8),
D0MD__D0FT__V_BLANK_IN = (0b000 << 0),
D0MD__D0FT__V_BLANK_OUT = (0b001 << 0),
D0MD__D0FT__H_BLANK_IN = (0b010 << 0),
D0MD__D0FT__TIMER_0 = (0b011 << 0),
D0MD__D0FT__TIMER_1 = (0b100 << 0),
D0MD__D0FT__SOUND_REQ = (0b101 << 0),
D0MD__D0FT__SPRITE_DRAW = (0b110 << 0),
D0MD__D0FT__FACTOR_BIT = (0b111 << 0),
};
#define D1R__READ_ADDRESS(n) ((n) & 0x3ffffff)
#define D1W__WRITE_ADDRESS(n) ((n) & 0x3ffffff)
#define D1C__BYTE_COUNT(n) ((n) & 0x7ffff)
enum d1ad_bits {
D1AD__D1RA__0BYTES = (0 << 8),
D1AD__D1RA__4BYTES = (1 << 8),
D1AD__D1WA__0BYTES = (0b000 << 0),
D1AD__D1WA__2BYTES = (0b001 << 0),
D1AD__D1WA__4BYTES = (0b010 << 0),
D1AD__D1WA__8BYTES = (0b011 << 0),
D1AD__D1WA__16BYTES = (0b100 << 0),
D1AD__D1WA__32BYTES = (0b101 << 0),
D1AD__D1WA__64BYTES = (0b110 << 0),
D1AD__D1WA__128BYTES = (0b111 << 0),
};
enum d1en_bits {
D1EN__D1EN = (1 << 8),
D1EN__D1GO = (1 << 0),
};
enum d1md_bits {
D1MD__D1MOD = (1 << 24),
D1MD__D1RUP = (1 << 16),
D1MD__D1WUP = (1 << 8),
D1MD__D1FT__V_BLANK_IN = (0b000 << 0),
D1MD__D1FT__V_BLANK_OUT = (0b001 << 0),
D1MD__D1FT__H_BLANK_IN = (0b010 << 0),
D1MD__D1FT__TIMER_0 = (0b011 << 0),
D1MD__D1FT__TIMER_1 = (0b100 << 0),
D1MD__D1FT__SOUND_REQ = (0b101 << 0),
D1MD__D1FT__SPRITE_DRAW = (0b110 << 0),
D1MD__D1FT__FACTOR_BIT = (0b111 << 0),
};
#define D2R__READ_ADDRESS(n) ((n) & 0x3ffffff)
#define D2W__WRITE_ADDRESS(n) ((n) & 0x3ffffff)
#define D2C__BYTE_COUNT(n) ((n) & 0x7ffff)
enum d2ad_bits {
D2AD__D2RA__0BYTES = (0 << 8),
D2AD__D2RA__4BYTES = (1 << 8),
D2AD__D2WA__0BYTES = (0b000 << 0),
D2AD__D2WA__2BYTES = (0b001 << 0),
D2AD__D2WA__4BYTES = (0b010 << 0),
D2AD__D2WA__8BYTES = (0b011 << 0),
D2AD__D2WA__16BYTES = (0b100 << 0),
D2AD__D2WA__32BYTES = (0b101 << 0),
D2AD__D2WA__64BYTES = (0b110 << 0),
D2AD__D2WA__128BYTES = (0b111 << 0),
};
enum d2en_bits {
D2EN__D2EN = (1 << 8),
D2EN__D2GO = (1 << 0),
};
enum d2md_bits {
D2MD__D2MOD = (1 << 24),
D2MD__D2RUP = (1 << 16),
D2MD__D2WUP = (1 << 8),
D2MD__D2FT__V_BLANK_IN = (0b000 << 0),
D2MD__D2FT__V_BLANK_OUT = (0b001 << 0),
D2MD__D2FT__H_BLANK_IN = (0b010 << 0),
D2MD__D2FT__TIMER_0 = (0b011 << 0),
D2MD__D2FT__TIMER_1 = (0b100 << 0),
D2MD__D2FT__SOUND_REQ = (0b101 << 0),
D2MD__D2FT__SPRITE_DRAW = (0b110 << 0),
D2MD__D2FT__FACTOR_BIT = (0b111 << 0),
};
enum dstp_bits {
DSTP__FORCE_STOP = (1 << 0),
};
enum dsta_bits {
DSTA__DACSD = (1 << 22),
DSTA__DACSB = (1 << 21),
DSTA__DACSA = (1 << 20),
DSTA__D1BK = (1 << 17),
DSTA__D0BK = (1 << 16),
DSTA__D2WT = (1 << 13),
DSTA__D2MV = (1 << 12),
DSTA__D1WT = (1 << 9),
DSTA__D1MV = (1 << 8),
DSTA__D0WT = (1 << 5),
DSTA__D0MV = (1 << 4),
DSTA__DDWT = (1 << 1),
DSTA__DDMV = (1 << 0),
};
enum ppaf_bits {
PPAF__PR = (1 << 26),
PPAF__EP = (1 << 25),
PPAF__T0 = (1 << 23),
PPAF__S = (1 << 22),
PPAF__Z = (1 << 21),
PPAF__C = (1 << 20),
PPAF__V = (1 << 19),
PPAF__E = (1 << 18),
PPAF__ES = (1 << 17),
PPAF__EX = (1 << 16),
PPAF__LE = (1 << 15),
#define PPAF__PRG_ADDRESS(n) (((n) & 0xff) << 0)
};
enum pda_bits {
PDA__RA__RAM0 = (0b00 << 6),
PDA__RA__RAM1 = (0b01 << 6),
PDA__RA__RAM2 = (0b10 << 6),
PDA__RA__RAM3 = (0b11 << 6),
#define PDA__RAM_ADDRESS(n) (((n) & 0x3f) << 0)
};
enum ims_bits {
IMS__A_BUS = (1 << 15),
IMS__DRAW_END = (1 << 13),