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#include <stdint.h>
enum {
Z80_LD,
Z80_PUSH,
Z80_POP,
Z80_EX,
Z80_EXX,
Z80_LDI,
Z80_LDIR,
Z80_LDD,
Z80_LDDR,
Z80_CPI,
Z80_CPIR,
Z80_CPD,
Z80_CPDR,
Z80_ADD,
Z80_ADC,
Z80_SUB,
Z80_SBC,
Z80_AND,
Z80_OR,
Z80_XOR,
Z80_CP,
Z80_INC,
Z80_DEC,
Z80_DAA,
Z80_CPL,
Z80_NEG,
Z80_CCF,
Z80_SCF,
Z80_NOP,
Z80_HALT,
Z80_DI,
Z80_EI,
Z80_IM,
Z80_RLC,
Z80_RL,
Z80_RRC,
Z80_RR,
Z80_SLA,
Z80_SRA,
Z80_SLL,
Z80_SRL,
Z80_RLD,
Z80_RRD,
Z80_BIT,
Z80_SET,
Z80_RES,
Z80_JP,
Z80_JPCC,
Z80_JR,
Z80_JRCC,
Z80_DJNZ,
Z80_CALL,
Z80_CALLCC,
Z80_RET,
Z80_RETCC,
Z80_RETI,
Z80_RETN,
Z80_RST,
Z80_IN,
Z80_INI,
Z80_INIR,
Z80_IND,
Z80_INDR,
Z80_OUT,
Z80_OUTI,
Z80_OTIR,
Z80_OUTD,
Z80_OTDR
};
enum {
Z80_B=0,
Z80_C,
Z80_D,
Z80_E,
Z80_H,
Z80_L,
Z80_IXH,
Z80_IXL,
Z80_IYH,
Z80_IYL,
Z80_I,
Z80_R,
Z80_A,
Z80_BC,
Z80_DE,
Z80_HL,
Z80_SP,
Z80_AF,
Z80_IX,
Z80_IY,
Z80_UNUSED
};
#define Z80_IMMED_FLAG 0x80
#define Z80_USE_IMMED (Z80_IMMED_FLAG|Z80_UNUSED)
enum {
Z80_CC_NZ,
Z80_CC_Z,
Z80_CC_NC,
Z80_CC_C,
Z80_CC_PO,
Z80_CC_PE,
Z80_CC_P,
Z80_CC_M
};
enum {
Z80_REG,
Z80_REG_INDIRECT,
Z80_IMMED,
Z80_IMMED_INDIRECT,
Z80_IX_DISPLACE,
Z80_IY_DISPLACE
};
#define Z80_DIR 0x80
typedef struct {
uint8_t op;
uint8_t reg;
uint8_t addr_mode;
uint8_t ea_reg;
uint16_t immed;
} z80inst;
uint8_t * z80_decode(uint8_t * istream, z80inst * decoded);
int z80_disasm(z80inst * decoded, char * dst);
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