saturn/smpc.h
Zack Buhman a1a67522fe scu, smpc, and sh2 register definitions
This also improves sys_ip slightly.
2023-01-08 11:53:54 -08:00

183 lines
3.1 KiB
C

#include "type.h"
typedef struct smpc_reg {
reg8 _res0;
reg8 IREG0;
reg8 _res1;
reg8 IREG1;
reg8 _res2;
reg8 IREG2;
reg8 _res3;
reg8 IREG3;
reg8 _res4;
reg8 IREG4;
reg8 _res5;
reg8 IREG5;
reg8 _res6;
reg8 IREG6;
reg8 _res7;
reg8 _res8;
reg8 _res9;
reg8 _res10;
reg8 _res11;
reg8 _res12;
reg8 _res13;
reg8 _res14;
reg8 _res15;
reg8 _res16;
reg8 _res17;
reg8 _res18;
reg8 _res19;
reg8 _res20;
reg8 _res21;
reg8 _res22;
reg8 _res23;
reg8 COMREG;
reg8 _res24;
reg8 OREG0;
reg8 _res25;
reg8 OREG1;
reg8 _res26;
reg8 OREG2;
reg8 _res27;
reg8 OREG3;
reg8 _res28;
reg8 OREG4;
reg8 _res29;
reg8 OREG5;
reg8 _res30;
reg8 OREG6;
reg8 _res31;
reg8 OREG7;
reg8 _res32;
reg8 OREG8;
reg8 _res33;
reg8 OREG9;
reg8 _res34;
reg8 OREG10;
reg8 _res35;
reg8 OREG11;
reg8 _res36;
reg8 OREG12;
reg8 _res37;
reg8 OREG13;
reg8 _res38;
reg8 OREG14;
reg8 _res39;
reg8 OREG15;
reg8 _res40;
reg8 OREG16;
reg8 _res41;
reg8 OREG17;
reg8 _res42;
reg8 OREG18;
reg8 _res43;
reg8 OREG19;
reg8 _res44;
reg8 OREG20;
reg8 _res45;
reg8 OREG21;
reg8 _res46;
reg8 OREG22;
reg8 _res47;
reg8 OREG23;
reg8 _res48;
reg8 OREG24;
reg8 _res49;
reg8 OREG25;
reg8 _res50;
reg8 OREG26;
reg8 _res51;
reg8 OREG27;
reg8 _res52;
reg8 OREG28;
reg8 _res53;
reg8 OREG29;
reg8 _res54;
reg8 OREG30;
reg8 _res55;
reg8 OREG31;
reg8 _res56;
reg8 SR;
reg8 _res57;
reg8 SF;
reg8 _res58;
reg8 _res59;
reg8 _res60;
reg8 _res61;
reg8 _res62;
reg8 _res63;
reg8 _res64;
reg8 _res65;
reg8 _res66;
reg8 _res67;
reg8 _res68;
reg8 _res69;
reg8 _res70;
reg8 _res71;
reg8 _res72;
reg8 _res73;
reg8 _res74;
reg8 PDR1;
reg8 _res75;
reg8 PDR2;
reg8 _res76;
reg8 DDR1;
reg8 _res77;
reg8 DDR2;
reg8 _res78;
reg8 IOSEL;
reg8 _res79;
reg8 EXLE;
} smpc_reg;
static_assert((sizeof (struct smpc_reg)) == 0x80);
static_assert((offsetof (struct smpc_reg, OREG0)) == 0x21);
static_assert((offsetof (struct smpc_reg, SF)) == 0x63);
struct smpc {
smpc_reg reg;
};
extern struct smpc smpc __asm("smpc");
/* bits */
enum comreg_bit {
COMREG__MSHON = 0x00,
COMREG__SSHON = 0x02,
COMREG__SSHOFF = 0x03,
COMREG__SNDON = 0x06,
COMREG__SNDOFF = 0x07,
COMREG__CDON = 0x08,
COMREG__CDOFF = 0x09,
COMREG__SYSRES = 0x0D,
COMREG__CKCHG352 = 0x0E,
COMREG__CKCHG320 = 0x0F,
COMREG__INTBACK = 0x10,
COMREG__SETTIME = 0x16,
COMREG__SETSMEM = 0x17,
COMREG__NMIREQ = 0x18,
COMREG__RESENAB = 0x19,
COMREG__RESDISA = 0x1A,
};
enum intback_ireg_bit {
INTBACK__IREG0__CONTINUE = (1 << 7),
INTBACK__IREG0__BREAK = (1 << 6),
INTBACK__IREG0__STATUS_DISABLE = (0x00),
INTBACK__IREG0__STATUS_ENABLE = (0x01),
INTBACK__IREG1__PORT2_15BYTE = (0b00 << 6),
INTBACK__IREG1__PORT2_256BYTE = (0b01 << 6),
INTBACK__IREG1__PORT2_0BYTE = (0b11 << 6),
INTBACK__IREG1__PORT1_15BYTE = (0b00 << 4),
INTBACK__IREG1__PORT1_256BYTE = (0b01 << 4),
INTBACK__IREG1__PORT1_0BYTE = (0b11 << 4),
INTBACK__IREG1__PERIPHERAL_DATA_ENABLE = (1 << 3),
INTBACK__IREG1__NOT_OPTIMIZED = (1 << 1),
INTBACK__IREG2__MAGIC = (0xF0),
};