diff options
Diffstat (limited to 'src/emu/cpu/arcompact/arcompactdasm_dispatch.c')
-rw-r--r-- | src/emu/cpu/arcompact/arcompactdasm_dispatch.c | 830 |
1 files changed, 830 insertions, 0 deletions
diff --git a/src/emu/cpu/arcompact/arcompactdasm_dispatch.c b/src/emu/cpu/arcompact/arcompactdasm_dispatch.c new file mode 100644 index 00000000000..db1417e17c2 --- /dev/null +++ b/src/emu/cpu/arcompact/arcompactdasm_dispatch.c @@ -0,0 +1,830 @@ +/*********************************\ + + ARCompact disassembler + +\*********************************/ + +#include "emu.h" +#include <stdarg.h> + +#include "arcompactdasm_dispatch.h" +#include "arcompactdasm_ops.h" + +int arcompact_handle00_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr = (op & 0x00010000) >> 16; + op &= ~0x00010000; + + switch (subinstr) + { + case 0x00: size = arcompact_handle00_00_dasm(DASM_PARAMS); break; // Branch Conditionally + case 0x01: size = arcompact_handle00_01_dasm(DASM_PARAMS); break; // Branch Unconditionally Far + } + + return size; +} + +int arcompact_handle01_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr = (op & 0x00010000) >> 16; + op &= ~0x00010000; + + switch (subinstr) + { + case 0x00: size = arcompact_handle01_00_dasm(DASM_PARAMS); break; // Branh & Link + case 0x01: size = arcompact_handle01_01_dasm(DASM_PARAMS); break; // Branch on Compare + } + + return size; +} + +int arcompact_handle01_00_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr2 = (op & 0x00020000) >> 17; + op &= ~0x00020000; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle01_00_00dasm(DASM_PARAMS); break; // Branch and Link Conditionally + case 0x01: size = arcompact_handle01_00_01dasm(DASM_PARAMS); break; // Branch and Link Unconditional Far + } + + return size; +} + +int arcompact_handle01_01_dasm(DASM_OPS_32) +{ + int size = 4; + + UINT8 subinstr2 = (op & 0x00000010) >> 4; + op &= ~0x00000010; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle01_01_00_dasm(DASM_PARAMS); break; // Branch on Compare Register-Register + case 0x01: size = arcompact_handle01_01_01_dasm(DASM_PARAMS); break; // Branch on Compare/Bit Test Register-Immediate + } + + return size; +} + +int arcompact_handle01_01_00_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr3 = (op & 0x0000000f) >> 0; + op &= ~0x0000000f; + + switch (subinstr3) + { + case 0x00: size = arcompact_handle01_01_00_00_dasm(DASM_PARAMS); break; // BREQ (reg-reg) + case 0x01: size = arcompact_handle01_01_00_01_dasm(DASM_PARAMS); break; // BRNE (reg-reg) + case 0x02: size = arcompact_handle01_01_00_02_dasm(DASM_PARAMS); break; // BRLT (reg-reg) + case 0x03: size = arcompact_handle01_01_00_03_dasm(DASM_PARAMS); break; // BRGE (reg-reg) + case 0x04: size = arcompact_handle01_01_00_04_dasm(DASM_PARAMS); break; // BRLO (reg-reg) + case 0x05: size = arcompact_handle01_01_00_05_dasm(DASM_PARAMS); break; // BRHS (reg-reg) + case 0x06: size = arcompact_handle01_01_00_06_dasm(DASM_PARAMS); break; // reserved + case 0x07: size = arcompact_handle01_01_00_07_dasm(DASM_PARAMS); break; // reserved + case 0x08: size = arcompact_handle01_01_00_08_dasm(DASM_PARAMS); break; // reserved + case 0x09: size = arcompact_handle01_01_00_09_dasm(DASM_PARAMS); break; // reserved + case 0x0a: size = arcompact_handle01_01_00_0a_dasm(DASM_PARAMS); break; // reserved + case 0x0b: size = arcompact_handle01_01_00_0b_dasm(DASM_PARAMS); break; // reserved + case 0x0c: size = arcompact_handle01_01_00_0c_dasm(DASM_PARAMS); break; // reserved + case 0x0d: size = arcompact_handle01_01_00_0d_dasm(DASM_PARAMS); break; // reserved + case 0x0e: size = arcompact_handle01_01_00_0e_dasm(DASM_PARAMS); break; // BBIT0 (reg-reg) + case 0x0f: size = arcompact_handle01_01_00_0f_dasm(DASM_PARAMS); break; // BBIT1 (reg-reg) + } + + return size; +} + +int arcompact_handle01_01_01_dasm(DASM_OPS_32) // Branch on Compare/Bit Test Register-Immediate +{ + int size = 4; + UINT8 subinstr3 = (op & 0x0000000f) >> 0; + op &= ~0x0000000f; + + switch (subinstr3) + { + case 0x00: size = arcompact_handle01_01_01_00_dasm(DASM_PARAMS); break; // BREQ (reg-imm) + case 0x01: size = arcompact_handle01_01_01_01_dasm(DASM_PARAMS); break; // BRNE (reg-imm) + case 0x02: size = arcompact_handle01_01_01_02_dasm(DASM_PARAMS); break; // BRLT (reg-imm) + case 0x03: size = arcompact_handle01_01_01_03_dasm(DASM_PARAMS); break; // BRGE (reg-imm) + case 0x04: size = arcompact_handle01_01_01_04_dasm(DASM_PARAMS); break; // BRLO (reg-imm) + case 0x05: size = arcompact_handle01_01_01_05_dasm(DASM_PARAMS); break; // BRHS (reg-imm) + case 0x06: size = arcompact_handle01_01_01_06_dasm(DASM_PARAMS); break; // reserved + case 0x07: size = arcompact_handle01_01_01_07_dasm(DASM_PARAMS); break; // reserved + case 0x08: size = arcompact_handle01_01_01_08_dasm(DASM_PARAMS); break; // reserved + case 0x09: size = arcompact_handle01_01_01_09_dasm(DASM_PARAMS); break; // reserved + case 0x0a: size = arcompact_handle01_01_01_0a_dasm(DASM_PARAMS); break; // reserved + case 0x0b: size = arcompact_handle01_01_01_0b_dasm(DASM_PARAMS); break; // reserved + case 0x0c: size = arcompact_handle01_01_01_0c_dasm(DASM_PARAMS); break; // reserved + case 0x0d: size = arcompact_handle01_01_01_0d_dasm(DASM_PARAMS); break; // reserved + case 0x0e: size = arcompact_handle01_01_01_0e_dasm(DASM_PARAMS); break; // BBIT0 (reg-imm) + case 0x0f: size = arcompact_handle01_01_01_0f_dasm(DASM_PARAMS); break; // BBIT1 (reg-imm) + } + + return size; +} + +int arcompact_handle04_dasm(DASM_OPS_32) +{ + int size = 4; + // General Operations + + // bitpos + // 11111 111 11 111111 0 000 000000 0 00000 + // fedcb a98 76 543210 f edc ba9876 5 43210 + // + // 00100 bbb 00 iiiiii F BBB CCCCCC A AAAAA General Operations *UN*Conditional Register to Register + // 00100 bbb 01 iiiiii F BBB UUUUUU A AAAAA General Operations *UN*Conditional Register (Unsigned 6-bit IMM) + // 00100 bbb 10 iiiiii F BBB ssssss S SSSSS General Operations *UN*Conditional Register (Signed 12-bit IMM) + + // 00100 bbb 11 iiiiii F BBB CCCCCC 0 QQQQQ General Operations Conditional Register + // 00100 bbb 11 iiiiii F BBB UUUUUU 1 QQQQQ General Operations Conditional Register (Unsigned 6-bit IMM) + UINT8 subinstr = (op & 0x003f0000) >> 16; + op &= ~0x003f0000; + + switch (subinstr) + { + case 0x00: size = arcompact_handle04_00_dasm(DASM_PARAMS); break; // ADD + case 0x01: size = arcompact_handle04_01_dasm(DASM_PARAMS); break; // ADC + case 0x02: size = arcompact_handle04_02_dasm(DASM_PARAMS); break; // SUB + case 0x03: size = arcompact_handle04_03_dasm(DASM_PARAMS); break; // SBC + case 0x04: size = arcompact_handle04_04_dasm(DASM_PARAMS); break; // AND + case 0x05: size = arcompact_handle04_05_dasm(DASM_PARAMS); break; // OR + case 0x06: size = arcompact_handle04_06_dasm(DASM_PARAMS); break; // BIC + case 0x07: size = arcompact_handle04_07_dasm(DASM_PARAMS); break; // XOR + case 0x08: size = arcompact_handle04_08_dasm(DASM_PARAMS); break; // MAX + case 0x09: size = arcompact_handle04_09_dasm(DASM_PARAMS); break; // MIN + case 0x0a: size = arcompact_handle04_0a_dasm(DASM_PARAMS); break; // MOV + case 0x0b: size = arcompact_handle04_0b_dasm(DASM_PARAMS); break; // TST + case 0x0c: size = arcompact_handle04_0c_dasm(DASM_PARAMS); break; // CMP + case 0x0d: size = arcompact_handle04_0d_dasm(DASM_PARAMS); break; // RCMP + case 0x0e: size = arcompact_handle04_0e_dasm(DASM_PARAMS); break; // RSUB + case 0x0f: size = arcompact_handle04_0f_dasm(DASM_PARAMS); break; // BSET + case 0x10: size = arcompact_handle04_10_dasm(DASM_PARAMS); break; // BCLR + case 0x11: size = arcompact_handle04_11_dasm(DASM_PARAMS); break; // BTST + case 0x12: size = arcompact_handle04_12_dasm(DASM_PARAMS); break; // BXOR + case 0x13: size = arcompact_handle04_13_dasm(DASM_PARAMS); break; // BMSK + case 0x14: size = arcompact_handle04_14_dasm(DASM_PARAMS); break; // ADD1 + case 0x15: size = arcompact_handle04_15_dasm(DASM_PARAMS); break; // ADD2 + case 0x16: size = arcompact_handle04_16_dasm(DASM_PARAMS); break; // ADD3 + case 0x17: size = arcompact_handle04_17_dasm(DASM_PARAMS); break; // SUB1 + case 0x18: size = arcompact_handle04_18_dasm(DASM_PARAMS); break; // SUB2 + case 0x19: size = arcompact_handle04_19_dasm(DASM_PARAMS); break; // SUB3 + case 0x1a: size = arcompact_handle04_1a_dasm(DASM_PARAMS); break; // MPY * + case 0x1b: size = arcompact_handle04_1b_dasm(DASM_PARAMS); break; // MPYH * + case 0x1c: size = arcompact_handle04_1c_dasm(DASM_PARAMS); break; // MPYHU * + case 0x1d: size = arcompact_handle04_1d_dasm(DASM_PARAMS); break; // MPYU * + case 0x1e: size = arcompact_handle04_1e_dasm(DASM_PARAMS); break; // illegal + case 0x1f: size = arcompact_handle04_1f_dasm(DASM_PARAMS); break; // illegal + case 0x20: size = arcompact_handle04_20_dasm(DASM_PARAMS); break; // Jcc + case 0x21: size = arcompact_handle04_21_dasm(DASM_PARAMS); break; // Jcc.D + case 0x22: size = arcompact_handle04_22_dasm(DASM_PARAMS); break; // JLcc + case 0x23: size = arcompact_handle04_23_dasm(DASM_PARAMS); break; // JLcc.D + case 0x24: size = arcompact_handle04_24_dasm(DASM_PARAMS); break; // illegal + case 0x25: size = arcompact_handle04_25_dasm(DASM_PARAMS); break; // illegal + case 0x26: size = arcompact_handle04_26_dasm(DASM_PARAMS); break; // illegal + case 0x27: size = arcompact_handle04_27_dasm(DASM_PARAMS); break; // illegal + case 0x28: size = arcompact_handle04_28_dasm(DASM_PARAMS); break; // LPcc + case 0x29: size = arcompact_handle04_29_dasm(DASM_PARAMS); break; // FLAG + case 0x2a: size = arcompact_handle04_2a_dasm(DASM_PARAMS); break; // LR + case 0x2b: size = arcompact_handle04_2b_dasm(DASM_PARAMS); break; // SR + case 0x2c: size = arcompact_handle04_2c_dasm(DASM_PARAMS); break; // illegal + case 0x2d: size = arcompact_handle04_2d_dasm(DASM_PARAMS); break; // illegal + case 0x2e: size = arcompact_handle04_2e_dasm(DASM_PARAMS); break; // illegal + case 0x2f: size = arcompact_handle04_2f_dasm(DASM_PARAMS); break; // Sub Opcode + case 0x30: size = arcompact_handle04_30_dasm(DASM_PARAMS); break; // LD r-r + case 0x31: size = arcompact_handle04_31_dasm(DASM_PARAMS); break; // LD r-r + case 0x32: size = arcompact_handle04_32_dasm(DASM_PARAMS); break; // LD r-r + case 0x33: size = arcompact_handle04_33_dasm(DASM_PARAMS); break; // LD r-r + case 0x34: size = arcompact_handle04_34_dasm(DASM_PARAMS); break; // LD r-r + case 0x35: size = arcompact_handle04_35_dasm(DASM_PARAMS); break; // LD r-r + case 0x36: size = arcompact_handle04_36_dasm(DASM_PARAMS); break; // LD r-r + case 0x37: size = arcompact_handle04_37_dasm(DASM_PARAMS); break; // LD r-r + case 0x38: size = arcompact_handle04_38_dasm(DASM_PARAMS); break; // illegal + case 0x39: size = arcompact_handle04_39_dasm(DASM_PARAMS); break; // illegal + case 0x3a: size = arcompact_handle04_3a_dasm(DASM_PARAMS); break; // illegal + case 0x3b: size = arcompact_handle04_3b_dasm(DASM_PARAMS); break; // illegal + case 0x3c: size = arcompact_handle04_3c_dasm(DASM_PARAMS); break; // illegal + case 0x3d: size = arcompact_handle04_3d_dasm(DASM_PARAMS); break; // illegal + case 0x3e: size = arcompact_handle04_3e_dasm(DASM_PARAMS); break; // illegal + case 0x3f: size = arcompact_handle04_3f_dasm(DASM_PARAMS); break; // illegal + } + + return size; +} + +int arcompact_handle04_2f_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr2 = (op & 0x0000003f) >> 0; + op &= ~0x0000003f; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle04_2f_00_dasm(DASM_PARAMS); break; // ASL + case 0x01: size = arcompact_handle04_2f_01_dasm(DASM_PARAMS); break; // ASR + case 0x02: size = arcompact_handle04_2f_02_dasm(DASM_PARAMS); break; // LSR + case 0x03: size = arcompact_handle04_2f_03_dasm(DASM_PARAMS); break; // ROR + case 0x04: size = arcompact_handle04_2f_04_dasm(DASM_PARAMS); break; // RCC + case 0x05: size = arcompact_handle04_2f_05_dasm(DASM_PARAMS); break; // SEXB + case 0x06: size = arcompact_handle04_2f_06_dasm(DASM_PARAMS); break; // SEXW + case 0x07: size = arcompact_handle04_2f_07_dasm(DASM_PARAMS); break; // EXTB + case 0x08: size = arcompact_handle04_2f_08_dasm(DASM_PARAMS); break; // EXTW + case 0x09: size = arcompact_handle04_2f_09_dasm(DASM_PARAMS); break; // ABS + case 0x0a: size = arcompact_handle04_2f_0a_dasm(DASM_PARAMS); break; // NOT + case 0x0b: size = arcompact_handle04_2f_0b_dasm(DASM_PARAMS); break; // RLC + case 0x0c: size = arcompact_handle04_2f_0c_dasm(DASM_PARAMS); break; // EX + case 0x0d: size = arcompact_handle04_2f_0d_dasm(DASM_PARAMS); break; // illegal + case 0x0e: size = arcompact_handle04_2f_0e_dasm(DASM_PARAMS); break; // illegal + case 0x0f: size = arcompact_handle04_2f_0f_dasm(DASM_PARAMS); break; // illegal + case 0x10: size = arcompact_handle04_2f_10_dasm(DASM_PARAMS); break; // illegal + case 0x11: size = arcompact_handle04_2f_11_dasm(DASM_PARAMS); break; // illegal + case 0x12: size = arcompact_handle04_2f_12_dasm(DASM_PARAMS); break; // illegal + case 0x13: size = arcompact_handle04_2f_13_dasm(DASM_PARAMS); break; // illegal + case 0x14: size = arcompact_handle04_2f_14_dasm(DASM_PARAMS); break; // illegal + case 0x15: size = arcompact_handle04_2f_15_dasm(DASM_PARAMS); break; // illegal + case 0x16: size = arcompact_handle04_2f_16_dasm(DASM_PARAMS); break; // illegal + case 0x17: size = arcompact_handle04_2f_17_dasm(DASM_PARAMS); break; // illegal + case 0x18: size = arcompact_handle04_2f_18_dasm(DASM_PARAMS); break; // illegal + case 0x19: size = arcompact_handle04_2f_19_dasm(DASM_PARAMS); break; // illegal + case 0x1a: size = arcompact_handle04_2f_1a_dasm(DASM_PARAMS); break; // illegal + case 0x1b: size = arcompact_handle04_2f_1b_dasm(DASM_PARAMS); break; // illegal + case 0x1c: size = arcompact_handle04_2f_1c_dasm(DASM_PARAMS); break; // illegal + case 0x1d: size = arcompact_handle04_2f_1d_dasm(DASM_PARAMS); break; // illegal + case 0x1e: size = arcompact_handle04_2f_1e_dasm(DASM_PARAMS); break; // illegal + case 0x1f: size = arcompact_handle04_2f_1f_dasm(DASM_PARAMS); break; // illegal + case 0x20: size = arcompact_handle04_2f_20_dasm(DASM_PARAMS); break; // illegal + case 0x21: size = arcompact_handle04_2f_21_dasm(DASM_PARAMS); break; // illegal + case 0x22: size = arcompact_handle04_2f_22_dasm(DASM_PARAMS); break; // illegal + case 0x23: size = arcompact_handle04_2f_23_dasm(DASM_PARAMS); break; // illegal + case 0x24: size = arcompact_handle04_2f_24_dasm(DASM_PARAMS); break; // illegal + case 0x25: size = arcompact_handle04_2f_25_dasm(DASM_PARAMS); break; // illegal + case 0x26: size = arcompact_handle04_2f_26_dasm(DASM_PARAMS); break; // illegal + case 0x27: size = arcompact_handle04_2f_27_dasm(DASM_PARAMS); break; // illegal + case 0x28: size = arcompact_handle04_2f_28_dasm(DASM_PARAMS); break; // illegal + case 0x29: size = arcompact_handle04_2f_29_dasm(DASM_PARAMS); break; // illegal + case 0x2a: size = arcompact_handle04_2f_2a_dasm(DASM_PARAMS); break; // illegal + case 0x2b: size = arcompact_handle04_2f_2b_dasm(DASM_PARAMS); break; // illegal + case 0x2c: size = arcompact_handle04_2f_2c_dasm(DASM_PARAMS); break; // illegal + case 0x2d: size = arcompact_handle04_2f_2d_dasm(DASM_PARAMS); break; // illegal + case 0x2e: size = arcompact_handle04_2f_2e_dasm(DASM_PARAMS); break; // illegal + case 0x2f: size = arcompact_handle04_2f_2f_dasm(DASM_PARAMS); break; // illegal + case 0x30: size = arcompact_handle04_2f_30_dasm(DASM_PARAMS); break; // illegal + case 0x31: size = arcompact_handle04_2f_31_dasm(DASM_PARAMS); break; // illegal + case 0x32: size = arcompact_handle04_2f_32_dasm(DASM_PARAMS); break; // illegal + case 0x33: size = arcompact_handle04_2f_33_dasm(DASM_PARAMS); break; // illegal + case 0x34: size = arcompact_handle04_2f_34_dasm(DASM_PARAMS); break; // illegal + case 0x35: size = arcompact_handle04_2f_35_dasm(DASM_PARAMS); break; // illegal + case 0x36: size = arcompact_handle04_2f_36_dasm(DASM_PARAMS); break; // illegal + case 0x37: size = arcompact_handle04_2f_37_dasm(DASM_PARAMS); break; // illegal + case 0x38: size = arcompact_handle04_2f_38_dasm(DASM_PARAMS); break; // illegal + case 0x39: size = arcompact_handle04_2f_39_dasm(DASM_PARAMS); break; // illegal + case 0x3a: size = arcompact_handle04_2f_3a_dasm(DASM_PARAMS); break; // illegal + case 0x3b: size = arcompact_handle04_2f_3b_dasm(DASM_PARAMS); break; // illegal + case 0x3c: size = arcompact_handle04_2f_3c_dasm(DASM_PARAMS); break; // illegal + case 0x3d: size = arcompact_handle04_2f_3d_dasm(DASM_PARAMS); break; // illegal + case 0x3e: size = arcompact_handle04_2f_3e_dasm(DASM_PARAMS); break; // illegal + case 0x3f: size = arcompact_handle04_2f_3f_dasm(DASM_PARAMS); break; // ZOPs (Zero Operand Opcodes) + } + + return size; +} + +int arcompact_handle04_2f_3f_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr3 = (op & 0x07000000) >> 24; + subinstr3 |= ((op & 0x00007000) >> 12) << 3; + + op &= ~0x07007000; + + switch (subinstr3) + { + case 0x00: size = arcompact_handle04_2f_3f_00_dasm(DASM_PARAMS); break; // illegal + case 0x01: size = arcompact_handle04_2f_3f_01_dasm(DASM_PARAMS); break; // SLEEP + case 0x02: size = arcompact_handle04_2f_3f_02_dasm(DASM_PARAMS); break; // SWI / TRAP9 + case 0x03: size = arcompact_handle04_2f_3f_03_dasm(DASM_PARAMS); break; // SYNC + case 0x04: size = arcompact_handle04_2f_3f_04_dasm(DASM_PARAMS); break; // RTIE + case 0x05: size = arcompact_handle04_2f_3f_05_dasm(DASM_PARAMS); break; // BRK + case 0x06: size = arcompact_handle04_2f_3f_06_dasm(DASM_PARAMS); break; // illegal + case 0x07: size = arcompact_handle04_2f_3f_07_dasm(DASM_PARAMS); break; // illegal + case 0x08: size = arcompact_handle04_2f_3f_08_dasm(DASM_PARAMS); break; // illegal + case 0x09: size = arcompact_handle04_2f_3f_09_dasm(DASM_PARAMS); break; // illegal + case 0x0a: size = arcompact_handle04_2f_3f_0a_dasm(DASM_PARAMS); break; // illegal + case 0x0b: size = arcompact_handle04_2f_3f_0b_dasm(DASM_PARAMS); break; // illegal + case 0x0c: size = arcompact_handle04_2f_3f_0c_dasm(DASM_PARAMS); break; // illegal + case 0x0d: size = arcompact_handle04_2f_3f_0d_dasm(DASM_PARAMS); break; // illegal + case 0x0e: size = arcompact_handle04_2f_3f_0e_dasm(DASM_PARAMS); break; // illegal + case 0x0f: size = arcompact_handle04_2f_3f_0f_dasm(DASM_PARAMS); break; // illegal + case 0x10: size = arcompact_handle04_2f_3f_10_dasm(DASM_PARAMS); break; // illegal + case 0x11: size = arcompact_handle04_2f_3f_11_dasm(DASM_PARAMS); break; // illegal + case 0x12: size = arcompact_handle04_2f_3f_12_dasm(DASM_PARAMS); break; // illegal + case 0x13: size = arcompact_handle04_2f_3f_13_dasm(DASM_PARAMS); break; // illegal + case 0x14: size = arcompact_handle04_2f_3f_14_dasm(DASM_PARAMS); break; // illegal + case 0x15: size = arcompact_handle04_2f_3f_15_dasm(DASM_PARAMS); break; // illegal + case 0x16: size = arcompact_handle04_2f_3f_16_dasm(DASM_PARAMS); break; // illegal + case 0x17: size = arcompact_handle04_2f_3f_17_dasm(DASM_PARAMS); break; // illegal + case 0x18: size = arcompact_handle04_2f_3f_18_dasm(DASM_PARAMS); break; // illegal + case 0x19: size = arcompact_handle04_2f_3f_19_dasm(DASM_PARAMS); break; // illegal + case 0x1a: size = arcompact_handle04_2f_3f_1a_dasm(DASM_PARAMS); break; // illegal + case 0x1b: size = arcompact_handle04_2f_3f_1b_dasm(DASM_PARAMS); break; // illegal + case 0x1c: size = arcompact_handle04_2f_3f_1c_dasm(DASM_PARAMS); break; // illegal + case 0x1d: size = arcompact_handle04_2f_3f_1d_dasm(DASM_PARAMS); break; // illegal + case 0x1e: size = arcompact_handle04_2f_3f_1e_dasm(DASM_PARAMS); break; // illegal + case 0x1f: size = arcompact_handle04_2f_3f_1f_dasm(DASM_PARAMS); break; // illegal + case 0x20: size = arcompact_handle04_2f_3f_20_dasm(DASM_PARAMS); break; // illegal + case 0x21: size = arcompact_handle04_2f_3f_21_dasm(DASM_PARAMS); break; // illegal + case 0x22: size = arcompact_handle04_2f_3f_22_dasm(DASM_PARAMS); break; // illegal + case 0x23: size = arcompact_handle04_2f_3f_23_dasm(DASM_PARAMS); break; // illegal + case 0x24: size = arcompact_handle04_2f_3f_24_dasm(DASM_PARAMS); break; // illegal + case 0x25: size = arcompact_handle04_2f_3f_25_dasm(DASM_PARAMS); break; // illegal + case 0x26: size = arcompact_handle04_2f_3f_26_dasm(DASM_PARAMS); break; // illegal + case 0x27: size = arcompact_handle04_2f_3f_27_dasm(DASM_PARAMS); break; // illegal + case 0x28: size = arcompact_handle04_2f_3f_28_dasm(DASM_PARAMS); break; // illegal + case 0x29: size = arcompact_handle04_2f_3f_29_dasm(DASM_PARAMS); break; // illegal + case 0x2a: size = arcompact_handle04_2f_3f_2a_dasm(DASM_PARAMS); break; // illegal + case 0x2b: size = arcompact_handle04_2f_3f_2b_dasm(DASM_PARAMS); break; // illegal + case 0x2c: size = arcompact_handle04_2f_3f_2c_dasm(DASM_PARAMS); break; // illegal + case 0x2d: size = arcompact_handle04_2f_3f_2d_dasm(DASM_PARAMS); break; // illegal + case 0x2e: size = arcompact_handle04_2f_3f_2e_dasm(DASM_PARAMS); break; // illegal + case 0x2f: size = arcompact_handle04_2f_3f_2f_dasm(DASM_PARAMS); break; // illegal + case 0x30: size = arcompact_handle04_2f_3f_30_dasm(DASM_PARAMS); break; // illegal + case 0x31: size = arcompact_handle04_2f_3f_31_dasm(DASM_PARAMS); break; // illegal + case 0x32: size = arcompact_handle04_2f_3f_32_dasm(DASM_PARAMS); break; // illegal + case 0x33: size = arcompact_handle04_2f_3f_33_dasm(DASM_PARAMS); break; // illegal + case 0x34: size = arcompact_handle04_2f_3f_34_dasm(DASM_PARAMS); break; // illegal + case 0x35: size = arcompact_handle04_2f_3f_35_dasm(DASM_PARAMS); break; // illegal + case 0x36: size = arcompact_handle04_2f_3f_36_dasm(DASM_PARAMS); break; // illegal + case 0x37: size = arcompact_handle04_2f_3f_37_dasm(DASM_PARAMS); break; // illegal + case 0x38: size = arcompact_handle04_2f_3f_38_dasm(DASM_PARAMS); break; // illegal + case 0x39: size = arcompact_handle04_2f_3f_39_dasm(DASM_PARAMS); break; // illegal + case 0x3a: size = arcompact_handle04_2f_3f_3a_dasm(DASM_PARAMS); break; // illegal + case 0x3b: size = arcompact_handle04_2f_3f_3b_dasm(DASM_PARAMS); break; // illegal + case 0x3c: size = arcompact_handle04_2f_3f_3c_dasm(DASM_PARAMS); break; // illegal + case 0x3d: size = arcompact_handle04_2f_3f_3d_dasm(DASM_PARAMS); break; // illegal + case 0x3e: size = arcompact_handle04_2f_3f_3e_dasm(DASM_PARAMS); break; // illegal + case 0x3f: size = arcompact_handle04_2f_3f_3f_dasm(DASM_PARAMS); break; // illegal + } + + return size; +} + +// this is an Extension ALU group, maybe optional on some CPUs? +int arcompact_handle05_dasm(DASM_OPS_32) +{ + int size = 4; + UINT8 subinstr = (op & 0x003f0000) >> 16; + op &= ~0x003f0000; + + switch (subinstr) + { + case 0x00: size = arcompact_handle05_00_dasm(DASM_PARAMS); break; // ASL + case 0x01: size = arcompact_handle05_01_dasm(DASM_PARAMS); break; // LSR + case 0x02: size = arcompact_handle05_02_dasm(DASM_PARAMS); break; // ASR + case 0x03: size = arcompact_handle05_03_dasm(DASM_PARAMS); break; // ROR + case 0x04: size = arcompact_handle05_04_dasm(DASM_PARAMS); break; // MUL64 + case 0x05: size = arcompact_handle05_05_dasm(DASM_PARAMS); break; // MULU64 + case 0x06: size = arcompact_handle05_06_dasm(DASM_PARAMS); break; // ADDS + case 0x07: size = arcompact_handle05_07_dasm(DASM_PARAMS); break; // SUBS + case 0x08: size = arcompact_handle05_08_dasm(DASM_PARAMS); break; // DIVAW + case 0x09: size = arcompact_handle05_09_dasm(DASM_PARAMS); break; // illegal + case 0x0a: size = arcompact_handle05_0a_dasm(DASM_PARAMS); break; // ASLS + case 0x0b: size = arcompact_handle05_0b_dasm(DASM_PARAMS); break; // ASRS + case 0x0c: size = arcompact_handle05_0c_dasm(DASM_PARAMS); break; // illegal + case 0x0d: size = arcompact_handle05_0d_dasm(DASM_PARAMS); break; // illegal + case 0x0e: size = arcompact_handle05_0e_dasm(DASM_PARAMS); break; // illegal + case 0x0f: size = arcompact_handle05_0f_dasm(DASM_PARAMS); break; // illegal + case 0x10: size = arcompact_handle05_10_dasm(DASM_PARAMS); break; // illegal + case 0x11: size = arcompact_handle05_11_dasm(DASM_PARAMS); break; // illegal + case 0x12: size = arcompact_handle05_12_dasm(DASM_PARAMS); break; // illegal + case 0x13: size = arcompact_handle05_13_dasm(DASM_PARAMS); break; // illegal + case 0x14: size = arcompact_handle05_14_dasm(DASM_PARAMS); break; // illegal + case 0x15: size = arcompact_handle05_15_dasm(DASM_PARAMS); break; // illegal + case 0x16: size = arcompact_handle05_16_dasm(DASM_PARAMS); break; // illegal + case 0x17: size = arcompact_handle05_17_dasm(DASM_PARAMS); break; // illegal + case 0x18: size = arcompact_handle05_18_dasm(DASM_PARAMS); break; // illegal + case 0x19: size = arcompact_handle05_19_dasm(DASM_PARAMS); break; // illegal + case 0x1a: size = arcompact_handle05_1a_dasm(DASM_PARAMS); break; // illegal + case 0x1b: size = arcompact_handle05_1b_dasm(DASM_PARAMS); break; // illegal + case 0x1c: size = arcompact_handle05_1c_dasm(DASM_PARAMS); break; // illegal + case 0x1d: size = arcompact_handle05_1d_dasm(DASM_PARAMS); break; // illegal + case 0x1e: size = arcompact_handle05_1e_dasm(DASM_PARAMS); break; // illegal + case 0x1f: size = arcompact_handle05_1f_dasm(DASM_PARAMS); break; // illegal + case 0x20: size = arcompact_handle05_20_dasm(DASM_PARAMS); break; // illegal + case 0x21: size = arcompact_handle05_21_dasm(DASM_PARAMS); break; // illegal + case 0x22: size = arcompact_handle05_22_dasm(DASM_PARAMS); break; // illegal + case 0x23: size = arcompact_handle05_23_dasm(DASM_PARAMS); break; // illegal + case 0x24: size = arcompact_handle05_24_dasm(DASM_PARAMS); break; // illegal + case 0x25: size = arcompact_handle05_25_dasm(DASM_PARAMS); break; // illegal + case 0x26: size = arcompact_handle05_26_dasm(DASM_PARAMS); break; // illegal + case 0x27: size = arcompact_handle05_27_dasm(DASM_PARAMS); break; // illegal + case 0x28: size = arcompact_handle05_28_dasm(DASM_PARAMS); break; // ADDSDW + case 0x29: size = arcompact_handle05_29_dasm(DASM_PARAMS); break; // SUBSDW + case 0x2a: size = arcompact_handle05_2a_dasm(DASM_PARAMS); break; // illegal + case 0x2b: size = arcompact_handle05_2b_dasm(DASM_PARAMS); break; // illegal + case 0x2c: size = arcompact_handle05_2c_dasm(DASM_PARAMS); break; // illegal + case 0x2d: size = arcompact_handle05_2d_dasm(DASM_PARAMS); break; // illegal + case 0x2e: size = arcompact_handle05_2e_dasm(DASM_PARAMS); break; // illegal + case 0x2f: size = arcompact_handle05_2f_dasm(DASM_PARAMS); break; // SOPs + case 0x30: size = arcompact_handle05_30_dasm(DASM_PARAMS); break; // illegal + case 0x31: size = arcompact_handle05_31_dasm(DASM_PARAMS); break; // illegal + case 0x32: size = arcompact_handle05_32_dasm(DASM_PARAMS); break; // illegal + case 0x33: size = arcompact_handle05_33_dasm(DASM_PARAMS); break; // illegal + case 0x34: size = arcompact_handle05_34_dasm(DASM_PARAMS); break; // illegal + case 0x35: size = arcompact_handle05_35_dasm(DASM_PARAMS); break; // illegal + case 0x36: size = arcompact_handle05_36_dasm(DASM_PARAMS); break; // illegal + case 0x37: size = arcompact_handle05_37_dasm(DASM_PARAMS); break; // illegal + case 0x38: size = arcompact_handle05_38_dasm(DASM_PARAMS); break; // illegal + case 0x39: size = arcompact_handle05_39_dasm(DASM_PARAMS); break; // illegal + case 0x3a: size = arcompact_handle05_3a_dasm(DASM_PARAMS); break; // illegal + case 0x3b: size = arcompact_handle05_3b_dasm(DASM_PARAMS); break; // illegal + case 0x3c: size = arcompact_handle05_3c_dasm(DASM_PARAMS); break; // illegal + case 0x3d: size = arcompact_handle05_3d_dasm(DASM_PARAMS); break; // illegal + case 0x3e: size = arcompact_handle05_3e_dasm(DASM_PARAMS); break; // illegal + case 0x3f: size = arcompact_handle05_3f_dasm(DASM_PARAMS); break; // illegal + } + + return size; +} + +int arcompact_handle0c_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0018) >> 3; + op &= ~0x0018; + + switch (subinstr) + { + case 0x00: size = arcompact_handle0c_00_dasm(DASM_PARAMS); break; // LD_S + case 0x01: size = arcompact_handle0c_01_dasm(DASM_PARAMS); break; // LDB_S + case 0x02: size = arcompact_handle0c_02_dasm(DASM_PARAMS); break; // LDW_S + case 0x03: size = arcompact_handle0c_03_dasm(DASM_PARAMS); break; // ADD_S + } + return size; +} + +int arcompact_handle0d_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0018) >> 3; + op &= ~0x0018; + + switch (subinstr) + { + case 0x00: size = arcompact_handle0d_00_dasm(DASM_PARAMS); break; // ADD_S + case 0x01: size = arcompact_handle0d_01_dasm(DASM_PARAMS); break; // SUB_S + case 0x02: size = arcompact_handle0d_02_dasm(DASM_PARAMS); break; // ASL_S + case 0x03: size = arcompact_handle0d_03_dasm(DASM_PARAMS); break; // ASR_S + } + return size; +} + +int arcompact_handle0e_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0018) >> 3; + op &= ~0x0018; + + switch (subinstr) + { + case 0x00: size = arcompact_handle0e_00_dasm(DASM_PARAMS); break; // ADD_S + case 0x01: size = arcompact_handle0e_01_dasm(DASM_PARAMS); break; // MOV_S + case 0x02: size = arcompact_handle0e_02_dasm(DASM_PARAMS); break; // CMP_S + case 0x03: size = arcompact_handle0e_03_dasm(DASM_PARAMS); break; // MOV_S + } + return size; +} + +int arcompact_handle0f_dasm(DASM_OPS_16) +{ + int size = 2; + // General Register Instructions (16-bit) + // 01111 bbb ccc iiiii + UINT8 subinstr = (op & 0x01f) >> 0; + op &= ~0x001f; + + switch (subinstr) + { + case 0x00: size = arcompact_handle0f_00_dasm(DASM_PARAMS); break; // SOPs + case 0x01: size = arcompact_handle0f_01_dasm(DASM_PARAMS); break; // 0x01 <illegal> + case 0x02: size = arcompact_handle0f_02_dasm(DASM_PARAMS); break; // SUB_S + case 0x03: size = arcompact_handle0f_03_dasm(DASM_PARAMS); break; // 0x03 <illegal> + case 0x04: size = arcompact_handle0f_04_dasm(DASM_PARAMS); break; // AND_S + case 0x05: size = arcompact_handle0f_05_dasm(DASM_PARAMS); break; // OR_S + case 0x06: size = arcompact_handle0f_06_dasm(DASM_PARAMS); break; // BIC_S + case 0x07: size = arcompact_handle0f_07_dasm(DASM_PARAMS); break; // XOR_S + case 0x08: size = arcompact_handle0f_08_dasm(DASM_PARAMS); break; // 0x08 <illegal> + case 0x09: size = arcompact_handle0f_09_dasm(DASM_PARAMS); break; // 0x09 <illegal> + case 0x0a: size = arcompact_handle0f_0a_dasm(DASM_PARAMS); break; // 0x0a <illegal> + case 0x0b: size = arcompact_handle0f_0b_dasm(DASM_PARAMS); break; // TST_S + case 0x0c: size = arcompact_handle0f_0c_dasm(DASM_PARAMS); break; // MUL64_S + case 0x0d: size = arcompact_handle0f_0d_dasm(DASM_PARAMS); break; // SEXB_S + case 0x0e: size = arcompact_handle0f_0e_dasm(DASM_PARAMS); break; // SEXW_S + case 0x0f: size = arcompact_handle0f_0f_dasm(DASM_PARAMS); break; // EXTB_S + case 0x10: size = arcompact_handle0f_10_dasm(DASM_PARAMS); break; // EXTW_S + case 0x11: size = arcompact_handle0f_11_dasm(DASM_PARAMS); break; // ABS_S + case 0x12: size = arcompact_handle0f_12_dasm(DASM_PARAMS); break; // NOT_S + case 0x13: size = arcompact_handle0f_13_dasm(DASM_PARAMS); break; // NEG_S + case 0x14: size = arcompact_handle0f_14_dasm(DASM_PARAMS); break; // ADD1_S + case 0x15: size = arcompact_handle0f_15_dasm(DASM_PARAMS); break; // ADD2_S + case 0x16: size = arcompact_handle0f_16_dasm(DASM_PARAMS); break; // ADD3_S + case 0x17: size = arcompact_handle0f_17_dasm(DASM_PARAMS); break; // 0x17 <illegal> + case 0x18: size = arcompact_handle0f_18_dasm(DASM_PARAMS); break; // ASL_S (multiple) + case 0x19: size = arcompact_handle0f_19_dasm(DASM_PARAMS); break; // LSR_S (multiple) + case 0x1a: size = arcompact_handle0f_1a_dasm(DASM_PARAMS); break; // ASR_S (multiple) + case 0x1b: size = arcompact_handle0f_1b_dasm(DASM_PARAMS); break; // ASL_S (single) + case 0x1c: size = arcompact_handle0f_1c_dasm(DASM_PARAMS); break; // LSR_S (single) + case 0x1d: size = arcompact_handle0f_1d_dasm(DASM_PARAMS); break; // ASR_S (single) + case 0x1e: size = arcompact_handle0f_1e_dasm(DASM_PARAMS); break; // TRAP (not a5?) + case 0x1f: size = arcompact_handle0f_1f_dasm(DASM_PARAMS); break; // BRK_S ( 0x7fff only? ) + + } + return size; +} + +int arcompact_handle0f_00_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x00e0) >> 5; + op &= ~0x00e0; + + switch (subinstr) + { + case 0x00: size = arcompact_handle0f_00_00_dasm(DASM_PARAMS); break; // J_S + case 0x01: size = arcompact_handle0f_00_01_dasm(DASM_PARAMS); break; // J_S.D + case 0x02: size = arcompact_handle0f_00_02_dasm(DASM_PARAMS); break; // JL_S + case 0x03: size = arcompact_handle0f_00_03_dasm(DASM_PARAMS); break; // JL_S.D + case 0x04: size = arcompact_handle0f_00_04_dasm(DASM_PARAMS); break; // 0x04 <illegal> + case 0x05: size = arcompact_handle0f_00_05_dasm(DASM_PARAMS); break; // 0x05 <illegal> + case 0x06: size = arcompact_handle0f_00_06_dasm(DASM_PARAMS); break; // SUB_S.NE + case 0x07: size = arcompact_handle0f_00_07_dasm(DASM_PARAMS); break; // ZOPs + + } + + return size; +} + +int arcompact_handle0f_00_07_dasm(DASM_OPS_16) +{ + int size = 2; + // General Operations w/o Register + // 01111 iii 111 00000 + UINT8 subinstr3 = (op & 0x0700) >> 8; + op &= ~0x0700; + + switch (subinstr3) + { + case 0x00: size = arcompact_handle0f_00_07_00_dasm(DASM_PARAMS); break; // NOP_S + case 0x01: size = arcompact_handle0f_00_07_01_dasm(DASM_PARAMS); break; // UNIMP_S + case 0x02: size = arcompact_handle0f_00_07_02_dasm(DASM_PARAMS); break; // 0x02 <illegal> + case 0x03: size = arcompact_handle0f_00_07_03_dasm(DASM_PARAMS); break; // 0x03 <illegal> + case 0x04: size = arcompact_handle0f_00_07_04_dasm(DASM_PARAMS); break; // JEQ_S [BLINK] + case 0x05: size = arcompact_handle0f_00_07_05_dasm(DASM_PARAMS); break; // JNE_S [BLINK] + case 0x06: size = arcompact_handle0f_00_07_06_dasm(DASM_PARAMS); break; // J_S [BLINK] + case 0x07: size = arcompact_handle0f_00_07_07_dasm(DASM_PARAMS); break; // J_S.D [BLINK] + + } + return size; +} + +int arcompact_handle17_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x00e0) >> 5; + op &= ~0x00e0; + + switch (subinstr) + { + case 0x00: size = arcompact_handle17_00_dasm(DASM_PARAMS); break; // ASL_S + case 0x01: size = arcompact_handle17_01_dasm(DASM_PARAMS); break; // LSR_S + case 0x02: size = arcompact_handle17_02_dasm(DASM_PARAMS); break; // ASR_S + case 0x03: size = arcompact_handle17_03_dasm(DASM_PARAMS); break; // SUB_S + case 0x04: size = arcompact_handle17_04_dasm(DASM_PARAMS); break; // BSET_S + case 0x05: size = arcompact_handle17_05_dasm(DASM_PARAMS); break; // BCLR_S + case 0x06: size = arcompact_handle17_06_dasm(DASM_PARAMS); break; // BMSK_S + case 0x07: size = arcompact_handle17_07_dasm(DASM_PARAMS); break; // BTST_S + } + + return size; +} + +int arcompact_handle18_dasm(DASM_OPS_16) +{ + int size = 2; + // Stack Pointer Based Instructions (16-bit) + // 11000 bbb iii uuuuu + UINT8 subinstr = (op & 0x00e0) >> 5; + op &= ~0x00e0; + + switch (subinstr) + { + case 0x00: size = arcompact_handle18_00_dasm(DASM_PARAMS); break; // LD_S (SP) + case 0x01: size = arcompact_handle18_01_dasm(DASM_PARAMS); break; // LDB_S (SP) + case 0x02: size = arcompact_handle18_02_dasm(DASM_PARAMS); break; // ST_S (SP) + case 0x03: size = arcompact_handle18_03_dasm(DASM_PARAMS); break; // STB_S (SP) + case 0x04: size = arcompact_handle18_04_dasm(DASM_PARAMS); break; // ADD_S (SP) + case 0x05: size = arcompact_handle18_05_dasm(DASM_PARAMS); break; // subtable 18_05 + case 0x06: size = arcompact_handle18_06_dasm(DASM_PARAMS); break; // subtable 18_06 + case 0x07: size = arcompact_handle18_07_dasm(DASM_PARAMS); break; // subtable 18_07 + } + + return size; +} + +int arcompact_handle18_05_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr2 = (op & 0x0700) >> 8; + op &= ~0x001f; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle18_05_00_dasm(DASM_PARAMS); break; // ADD_S (SP) + case 0x01: size = arcompact_handle18_05_01_dasm(DASM_PARAMS); break; // SUB_S (SP) + case 0x02: size = arcompact_handle18_05_02_dasm(DASM_PARAMS); break; // <illegal 0x18_05_02> + case 0x03: size = arcompact_handle18_05_03_dasm(DASM_PARAMS); break; // <illegal 0x18_05_03> + case 0x04: size = arcompact_handle18_05_04_dasm(DASM_PARAMS); break; // <illegal 0x18_05_04> + case 0x05: size = arcompact_handle18_05_05_dasm(DASM_PARAMS); break; // <illegal 0x18_05_05> + case 0x06: size = arcompact_handle18_05_06_dasm(DASM_PARAMS); break; // <illegal 0x18_05_06> + case 0x07: size = arcompact_handle18_05_07_dasm(DASM_PARAMS); break; // <illegal 0x18_05_07> + } + + return size; +} + +int arcompact_handle18_06_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr2 = (op & 0x001f) >> 0; + op &= ~0x001f; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle18_06_00_dasm(DASM_PARAMS); break; // <illegal 0x18_06_00> + case 0x01: size = arcompact_handle18_06_01_dasm(DASM_PARAMS); break; // POP_S b + case 0x02: size = arcompact_handle18_06_02_dasm(DASM_PARAMS); break; // <illegal 0x18_06_02> + case 0x03: size = arcompact_handle18_06_03_dasm(DASM_PARAMS); break; // <illegal 0x18_06_03> + case 0x04: size = arcompact_handle18_06_04_dasm(DASM_PARAMS); break; // <illegal 0x18_06_04> + case 0x05: size = arcompact_handle18_06_05_dasm(DASM_PARAMS); break; // <illegal 0x18_06_05> + case 0x06: size = arcompact_handle18_06_06_dasm(DASM_PARAMS); break; // <illegal 0x18_06_06> + case 0x07: size = arcompact_handle18_06_07_dasm(DASM_PARAMS); break; // <illegal 0x18_06_07> + case 0x08: size = arcompact_handle18_06_08_dasm(DASM_PARAMS); break; // <illegal 0x18_06_08> + case 0x09: size = arcompact_handle18_06_09_dasm(DASM_PARAMS); break; // <illegal 0x18_06_09> + case 0x0a: size = arcompact_handle18_06_0a_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0a> + case 0x0b: size = arcompact_handle18_06_0b_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0b> + case 0x0c: size = arcompact_handle18_06_0c_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0c> + case 0x0d: size = arcompact_handle18_06_0d_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0d> + case 0x0e: size = arcompact_handle18_06_0e_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0e> + case 0x0f: size = arcompact_handle18_06_0f_dasm(DASM_PARAMS); break; // <illegal 0x18_06_0f> + case 0x10: size = arcompact_handle18_06_10_dasm(DASM_PARAMS); break; // <illegal 0x18_06_10> + case 0x11: size = arcompact_handle18_06_11_dasm(DASM_PARAMS); break; // POP_S blink + case 0x12: size = arcompact_handle18_06_12_dasm(DASM_PARAMS); break; // <illegal 0x18_06_12> + case 0x13: size = arcompact_handle18_06_13_dasm(DASM_PARAMS); break; // <illegal 0x18_06_13> + case 0x14: size = arcompact_handle18_06_14_dasm(DASM_PARAMS); break; // <illegal 0x18_06_14> + case 0x15: size = arcompact_handle18_06_15_dasm(DASM_PARAMS); break; // <illegal 0x18_06_15> + case 0x16: size = arcompact_handle18_06_16_dasm(DASM_PARAMS); break; // <illegal 0x18_06_16> + case 0x17: size = arcompact_handle18_06_17_dasm(DASM_PARAMS); break; // <illegal 0x18_06_17> + case 0x18: size = arcompact_handle18_06_18_dasm(DASM_PARAMS); break; // <illegal 0x18_06_18> + case 0x19: size = arcompact_handle18_06_19_dasm(DASM_PARAMS); break; // <illegal 0x18_06_19> + case 0x1a: size = arcompact_handle18_06_1a_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1a> + case 0x1b: size = arcompact_handle18_06_1b_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1b> + case 0x1c: size = arcompact_handle18_06_1c_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1c> + case 0x1d: size = arcompact_handle18_06_1d_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1d> + case 0x1e: size = arcompact_handle18_06_1e_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1e> + case 0x1f: size = arcompact_handle18_06_1f_dasm(DASM_PARAMS); break; // <illegal 0x18_06_1f> + } + + return size; +} + +int arcompact_handle18_07_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr2 = (op & 0x001f) >> 0; + op &= ~0x001f; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle18_07_00_dasm(DASM_PARAMS); break; // <illegal 0x18_07_00> + case 0x01: size = arcompact_handle18_07_01_dasm(DASM_PARAMS); break; // PUSH_S b + case 0x02: size = arcompact_handle18_07_02_dasm(DASM_PARAMS); break; // <illegal 0x18_07_02> + case 0x03: size = arcompact_handle18_07_03_dasm(DASM_PARAMS); break; // <illegal 0x18_07_03> + case 0x04: size = arcompact_handle18_07_04_dasm(DASM_PARAMS); break; // <illegal 0x18_07_04> + case 0x05: size = arcompact_handle18_07_05_dasm(DASM_PARAMS); break; // <illegal 0x18_07_05> + case 0x06: size = arcompact_handle18_07_06_dasm(DASM_PARAMS); break; // <illegal 0x18_07_06> + case 0x07: size = arcompact_handle18_07_07_dasm(DASM_PARAMS); break; // <illegal 0x18_07_07> + case 0x08: size = arcompact_handle18_07_08_dasm(DASM_PARAMS); break; // <illegal 0x18_07_08> + case 0x09: size = arcompact_handle18_07_09_dasm(DASM_PARAMS); break; // <illegal 0x18_07_09> + case 0x0a: size = arcompact_handle18_07_0a_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0a> + case 0x0b: size = arcompact_handle18_07_0b_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0b> + case 0x0c: size = arcompact_handle18_07_0c_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0c> + case 0x0d: size = arcompact_handle18_07_0d_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0d> + case 0x0e: size = arcompact_handle18_07_0e_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0e> + case 0x0f: size = arcompact_handle18_07_0f_dasm(DASM_PARAMS); break; // <illegal 0x18_07_0f> + case 0x10: size = arcompact_handle18_07_10_dasm(DASM_PARAMS); break; // <illegal 0x18_07_10> + case 0x11: size = arcompact_handle18_07_11_dasm(DASM_PARAMS); break; // PUSH_S blink + case 0x12: size = arcompact_handle18_07_12_dasm(DASM_PARAMS); break; // <illegal 0x18_07_12> + case 0x13: size = arcompact_handle18_07_13_dasm(DASM_PARAMS); break; // <illegal 0x18_07_13> + case 0x14: size = arcompact_handle18_07_14_dasm(DASM_PARAMS); break; // <illegal 0x18_07_14> + case 0x15: size = arcompact_handle18_07_15_dasm(DASM_PARAMS); break; // <illegal 0x18_07_15> + case 0x16: size = arcompact_handle18_07_16_dasm(DASM_PARAMS); break; // <illegal 0x18_07_16> + case 0x17: size = arcompact_handle18_07_17_dasm(DASM_PARAMS); break; // <illegal 0x18_07_17> + case 0x18: size = arcompact_handle18_07_18_dasm(DASM_PARAMS); break; // <illegal 0x18_07_18> + case 0x19: size = arcompact_handle18_07_19_dasm(DASM_PARAMS); break; // <illegal 0x18_07_19> + case 0x1a: size = arcompact_handle18_07_1a_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1a> + case 0x1b: size = arcompact_handle18_07_1b_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1b> + case 0x1c: size = arcompact_handle18_07_1c_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1c> + case 0x1d: size = arcompact_handle18_07_1d_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1d> + case 0x1e: size = arcompact_handle18_07_1e_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1e> + case 0x1f: size = arcompact_handle18_07_1f_dasm(DASM_PARAMS); break; // <illegal 0x18_07_1f> + } + + return size; +} + +int arcompact_handle19_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0600) >> 9; + op &= ~0x0600; + + switch (subinstr) + { + case 0x00: size = arcompact_handle19_00_dasm(DASM_PARAMS); break; // LD_S (GP) + case 0x01: size = arcompact_handle19_01_dasm(DASM_PARAMS); break; // LDB_S (GP) + case 0x02: size = arcompact_handle19_02_dasm(DASM_PARAMS); break; // LDW_S (GP) + case 0x03: size = arcompact_handle19_03_dasm(DASM_PARAMS); break; // ADD_S (GP) + } + return size; +} + +int arcompact_handle1c_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0080) >> 7; + op &= ~0x0080; + + switch (subinstr) + { + case 0x00: size = arcompact_handle1c_00_dasm(DASM_PARAMS); break; // ADD_S + case 0x01: size = arcompact_handle1c_01_dasm(DASM_PARAMS); break; // CMP_S + } + return size; +} + +int arcompact_handle1d_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0080) >> 7; + op &= ~0x0080; + + switch (subinstr) + { + case 0x00: size = arcompact_handle1d_00_dasm(DASM_PARAMS); break; // BREQ_S + case 0x01: size = arcompact_handle1d_01_dasm(DASM_PARAMS); break; // BRNE_S + } + return size; +} + +int arcompact_handle1e_dasm(DASM_OPS_16) +{ + int size = 2; + UINT8 subinstr = (op & 0x0600) >> 9; + op &= ~0x0600; + + switch (subinstr) + { + case 0x00: size = arcompact_handle1e_00_dasm(DASM_PARAMS); break; // B_S + case 0x01: size = arcompact_handle1e_01_dasm(DASM_PARAMS); break; // BEQ_S + case 0x02: size = arcompact_handle1e_02_dasm(DASM_PARAMS); break; // BNE_S + case 0x03: size = arcompact_handle1e_03_dasm(DASM_PARAMS); break; // Bcc_S + } + return size; +} + +int arcompact_handle1e_03_dasm(DASM_OPS_16) +{ + + int size = 2; + UINT8 subinstr2 = (op & 0x01c0) >> 6; + op &= ~0x01c0; + + switch (subinstr2) + { + case 0x00: size = arcompact_handle1e_03_00_dasm(DASM_PARAMS); break; // BGT_S + case 0x01: size = arcompact_handle1e_03_01_dasm(DASM_PARAMS); break; // BGE_S + case 0x02: size = arcompact_handle1e_03_02_dasm(DASM_PARAMS); break; // BLT_S + case 0x03: size = arcompact_handle1e_03_03_dasm(DASM_PARAMS); break; // BLE_S + case 0x04: size = arcompact_handle1e_03_04_dasm(DASM_PARAMS); break; // BHI_S + case 0x05: size = arcompact_handle1e_03_05_dasm(DASM_PARAMS); break; // BHS_S + case 0x06: size = arcompact_handle1e_03_06_dasm(DASM_PARAMS); break; // BLO_S + case 0x07: size = arcompact_handle1e_03_07_dasm(DASM_PARAMS); break; // BLS_S + } + return size; + +} |