diff options
| -rw-r--r-- | sux.c | 36 | ||||
| -rw-r--r-- | sux.h | 68 |
2 files changed, 91 insertions, 13 deletions
@@ -185,10 +185,10 @@ void *run(void *args) { #endif address.u64 = 0; value.u64 = 0; - uint32_t inst = read_value(cpu, 0, cpu->pc, 4, 1, 0); - uint8_t *tmp_inst = (uint8_t *)&inst; + uint32_t instr = read_value(cpu, 0, cpu->pc, 4, 1, 0); + uint8_t *tmp_inst = (uint8_t *)&instr; uint8_t inst_len = 0; - prefix = ((inst & 3) == 3) ? tmp_inst[inst_len++] : 0; + prefix = ((instr & 3) == 3) ? tmp_inst[inst_len++] : 0; ext_prefix = ((tmp_inst[inst_len] & 0xF) == 0xD) ? tmp_inst[inst_len++] : 0; opcode = tmp_inst[inst_len++]; op_id = (ext_prefix == 0x1D) ? tmp_inst[inst_len++] : 0; @@ -200,6 +200,7 @@ void *run(void *args) { uint8_t tmp_opcode = opcode; uint8_t tmp_ext_prefix = ext_prefix; int is_ortho = 0; + int is_ext = 0; if (ext_prefix) { ext_id = (ext_prefix >> 4); switch (ext_id) { @@ -207,6 +208,7 @@ void *run(void *args) { am = ext_optype[opcode]; if (!is_extop(opcode, 0)) { tmp_ext_prefix = 0; + is_ext = 1; switch (opcode) { case ADC_E: tmp_opcode = ADC_IMM; break; case SBC_E: tmp_opcode = SBC_IMM; break; @@ -282,14 +284,16 @@ void *run(void *args) { cpu->pc = address.u64; } #endif - if (am != IMPL && am != BREG) { - address.u64 = get_addr(cpu, opcode, prefix, ext_prefix, 1, 1, thread); - /*if (address.u64 > mem_size-1) { - addr[STEP_ADDR] = 1; - step = 1; - }*/ - if (isrw(opcode, ext_prefix) && am != REL && isread(opcode, ext_prefix)) { - value.u64 = read_value(cpu, 0, address.u64, size, 1, check_io); + if (ext_prefix && ext_id == 0) { + if (am != IMPL && am != BREG) { + address.u64 = get_addr(cpu, opcode, prefix, ext_prefix, 1, 1, thread); + /*if (address.u64 > mem_size-1) { + addr[STEP_ADDR] = 1; + step = 1; + }*/ + if (isrw(opcode, ext_prefix) && am != REL && isread(opcode, ext_prefix)) { + value.u64 = read_value(cpu, 0, address.u64, size, 1, check_io); + } } } /*decode_microinst(&uc, &uc_test, prefix, 0);*/ @@ -302,7 +306,13 @@ void *run(void *args) { case 0x1: exec_ortho_inst(cpu, opcode, prefix, size, operand_type, ortho_id, thread); break; } } else { - exec_base_inst(cpu, opcode, prefix, value.u64, address.u64, size, thread); + if (is_ext) { + exec_base_inst(cpu, opcode, prefix, value.u64, address.u64, size, thread); + } else { + const int inc_pc = 1; + const int inc_clk = getclk; + i[opcode](cpu, prefix, 7, inc_pc, inc_clk, thread); + } } /*usleep(1);*/ #if !IO @@ -316,7 +326,7 @@ void *run(void *args) { wrefresh(regs); wrefresh(inst_win); #endif - for (; step && c != 19 && !end; c = get_key(scr)); + for (; step && c != 19 && !end; c = get_key(scr, -1, cpu->clk)); #if debug wrefresh(scr); wrefresh(regs); @@ -1,3 +1,5 @@ +#ifndef SUX_H +#define SUX_H #include "opcode.h" #include <pthread.h> #include <ctype.h> @@ -1891,6 +1893,72 @@ static /*inline*/ void inst_##op(struct sux *cpu, uint8_t prefix, uint8_t size, t(0, 0x07660376, 0x03660376, 0x16361776, 0x06761776, 0x16760576, 0x04760576, 0x04760576, 0x04760576) { setflag(tmp >> (msb-1), N); } /* Update negative flag. */ \ } +typedef void (inst_func)(struct sux *cpu, uint8_t prefix, uint8_t size, int inc_pc, int inc_clk, uint8_t thread); + +#define inst_func(op) inst_##op + +#define INST \ + o(00) o(01) o(02) o(03) o(04) o(05) o(06) o(07) \ + o(08) o(09) o(0A) o(0B) o(0C) o(0D) o(0E) o(0F) \ + o(10) o(11) o(12) o(13) o(14) o(15) o(16) o(17) \ + o(18) o(19) o(1A) o(1B) o(1C) o(1D) o(1E) o(1F) \ + o(20) o(21) o(22) o(23) o(24) o(25) o(26) o(27) \ + o(28) o(29) o(2A) o(2B) o(2C) o(2D) o(2E) o(2F) \ + o(30) o(31) o(32) o(33) o(34) o(35) o(36) o(37) \ + o(38) o(39) o(3A) o(3B) o(3C) o(3D) o(3E) o(3F) \ + o(40) o(41) o(42) o(43) o(44) o(45) o(46) o(47) \ + o(48) o(49) o(4A) o(4B) o(4C) o(4D) o(4E) o(4F) \ + o(50) o(51) o(52) o(53) o(54) o(55) o(56) o(57) \ + o(58) o(59) o(5A) o(5B) o(5C) o(5D) o(5E) o(5F) \ + o(60) o(61) o(62) o(63) o(64) o(65) o(66) o(67) \ + o(68) o(69) o(6A) o(6B) o(6C) o(6D) o(6E) o(6F) \ + o(70) o(71) o(72) o(73) o(74) o(75) o(76) o(77) \ + o(78) o(79) o(7A) o(7B) o(7C) o(7D) o(7E) o(7F) \ + o(80) o(81) o(82) o(83) o(84) o(85) o(86) o(87) \ + o(88) o(89) o(8A) o(8B) o(8C) o(8D) o(8E) o(8F) \ + o(90) o(91) o(92) o(93) o(94) o(95) o(96) o(97) \ + o(98) o(99) o(9A) o(9B) o(9C) o(9D) o(9E) o(9F) \ + o(A0) o(A1) o(A2) o(A3) o(A4) o(A5) o(A6) o(A7) \ + o(A8) o(A9) o(AA) o(AB) o(AC) o(AD) o(AE) o(AF) \ + o(B0) o(B1) o(B2) o(B3) o(B4) o(B5) o(B6) o(B7) \ + o(B8) o(B9) o(BA) o(BB) o(BC) o(BD) o(BE) o(BF) \ + o(C0) o(C1) o(C2) o(C3) o(C4) o(C5) o(C6) o(C7) \ + o(C8) o(C9) o(CA) o(CB) o(CC) o(CD) o(CE) o(CF) \ + o(D0) o(D1) o(D2) o(D3) o(D4) o(D5) o(D6) o(D7) \ + o(D8) o(D9) o(DA) o(DB) o(DC) o(DD) o(DE) o(DF) \ + o(E0) o(E1) o(E2) o(E3) o(E4) o(E5) o(E6) o(E7) \ + o(E8) o(E9) o(EA) o(EB) o(EC) o(ED) o(EE) o(EF) \ + o(F0) o(F1) o(F2) o(F3) o(F4) o(F5) o(F6) o(F7) \ + o(F8) o(F9) o(FA) o(FB) o(FC) o(FD) o(FE) o(FF) \ + i(100) i(101) i(102) + +#if 1 +#define i(n) inst(n, 0) +#define o(n) inst(n, 0) +INST +#undef o +#undef i +#else +#include "inst_funcs.h" +#endif + +#if 0 +#define i(n) (/*const*/ inst_func *const)inst_func(n), +#define o(n) (/*const*/ inst_func *const)inst_func(n), +#else +#define i(n) inst_func(n), +#define o(n) inst_func(n), +#endif + +static inst_func *const i[] = { + INST +}; +#undef o +#undef i + + + #undef ORTHO_1CC #undef ORTHO_1OP #undef ORTHO_2OP +#endif |