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61 lines
927 B
61 lines
927 B
#ifndef PSXC_INSN_H_
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#define PSXC_INSN_H_
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#include <stdint.h>
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typedef enum {
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SPECIAL = 0x00,
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BCONDZ = 0x01,
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J = 0x02,
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JAL = 0x03,
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BEQ = 0x04,
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BNE = 0x05,
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BLEZ = 0x06,
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BGTZ = 0x07,
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ADDI = 0x08,
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ADDIU = 0x09,
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SLTI = 0x0a,
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SLTIU = 0x0b,
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ANDI = 0x0c,
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ORI = 0x0d,
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XORI = 0x0e,
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LUI = 0x0f,
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COP0 = 0x10,
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COP1 = 0x11,
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COP2 = 0x12,
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COP3 = 0x13,
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LB = 0x20,
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LH = 0x21,
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LWL = 0x22,
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LW = 0x23,
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LBU = 0x24,
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LHU = 0x25,
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LWR = 0x26,
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SB = 0x28,
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SH = 0x29,
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SWL = 0x2a,
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SW = 0x2b,
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SWR = 0x2e,
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LWC0 = 0x30,
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LWC1 = 0x31,
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LWC2 = 0x32,
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LWC3 = 0x33,
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SWC0 = 0x38,
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SWC1 = 0x39,
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SWC2 = 0x3a,
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SWC3 = 0x3b,
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} op_primary_t;
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static inline op_primary_t extract_primary_op(uint32_t insn) {
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return (insn >> 26) & 0x3f;
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}
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typedef enum {
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SLL = 0x00,
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} op_secondary_t;
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static inline op_secondary_t extract_secondary_op(uint32_t insn) {
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return (insn >> 0) & 0x3f;
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}
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#endif
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