#include "config.h" #include #ifdef HAVE_UNISTD_H #include #endif #include "mn10300_sim.h" #include "simops.h" #include "sys/syscall.h" #include "bfd.h" #include #include #include #include enum op_types { OP_UNKNOWN, }; #ifdef DEBUG static void trace_input PARAMS ((char *name, enum op_types type, int size)); static void trace_output PARAMS ((enum op_types result)); static int init_text_p = 0; static asection *text; static bfd_vma text_start; static bfd_vma text_end; extern bfd *exec_bfd; #ifndef SIZE_INSTRUCTION #define SIZE_INSTRUCTION 6 #endif #ifndef SIZE_OPERANDS #define SIZE_OPERANDS 16 #endif #ifndef SIZE_VALUES #define SIZE_VALUES 11 #endif #ifndef SIZE_LOCATION #define SIZE_LOCATION 40 #endif static void trace_input (name, type, size) char *name; enum op_types type; int size; { } static void trace_output (result) enum op_types result; { } #else #define trace_input(NAME, IN1, IN2) #define trace_output(RESULT) #endif /* mov */ void OP_8000 () { } /* mov */ void OP_80 () { } /* mov */ void OP_F1E0 () { } /* mov */ void OP_F1D0 () { } /* mov */ void OP_9000 () { } /* mov */ void OP_90 () { } /* mov sp, an */ void OP_3C () { State.regs[REG_A0 + (insn & 0x3)] = State.regs[REG_SP]; } /* mov am, sp */ void OP_F2F0 () { State.regs[REG_SP] = State.regs[REG_A0 + ((insn & 0xc) >> 2)]; } /* mov */ void OP_F2E4 () { } /* mov */ void OP_F2F3 () { } /* mov */ void OP_F2E0 () { } /* mov */ void OP_F2F2 () { } /* mov */ void OP_70 () { } /* mov */ void OP_F80000 () { } /* mov */ void OP_FA000000 () { } /* mov */ void OP_FC000000 () { } /* mov */ void OP_5800 () { } /* mov */ void OP_FAB40000 () { } /* mov */ void OP_FCB40000 () { } /* mov */ void OP_F300 () { } /* mov */ void OP_300000 () { } /* mov */ void OP_FCA40000 () { } /* mov */ void OP_F000 () { } /* mov */ void OP_F82000 () { } /* mov */ void OP_FA200000 () { } /* mov */ void OP_FC200000 () { } /* mov */ void OP_5C00 () { } /* mov */ void OP_FAB00000 () { } /* mov */ void OP_FCB00000 () { } /* mov */ void OP_F380 () { } /* mov */ void OP_FAA00000 () { } /* mov */ void OP_FCA00000 () { } /* mov */ void OP_F8F000 () { } /* mov */ void OP_60 () { } /* mov */ void OP_F81000 () { } /* mov */ void OP_FA100000 () { } /* mov */ void OP_FC100000 () { } /* mov */ void OP_4200 () { } /* mov */ void OP_FA910000 () { } /* mov */ void OP_FC910000 () { } /* mov */ void OP_F340 () { } /* mov */ void OP_10000 () { } /* mov */ void OP_FC810000 () { } /* mov */ void OP_F010 () { } /* mov */ void OP_F83000 () { } /* mov */ void OP_FA300000 () { } /* mov */ void OP_FC300000 () { } /* mov */ void OP_4300 () { } /* mov */ void OP_FA900000 () { } /* mov */ void OP_FC900000 () { } /* mov */ void OP_F3C0 () { } /* mov */ void OP_FA800000 () { } /* mov */ void OP_FC800000 () { } /* mov */ void OP_F8F400 () { } /* mov */ void OP_2C0000 () { } /* mov */ void OP_FCCC0000 () { } /* mov */ void OP_240000 () { } /* mov imm32, an */ void OP_FCDC0000 () { unsigned long value; value = (insn & 0xffff) << 16 | extension; State.regs[REG_A0 + ((insn & 0x30000) >> 16)] = value; } /* movbu */ void OP_F040 () { } /* movbu */ void OP_F84000 () { } /* movbu */ void OP_FA400000 () { } /* movbu */ void OP_FC400000 () { } /* movbu */ void OP_F8B800 () { } /* movbu */ void OP_FAB80000 () { } /* movbu */ void OP_FCB80000 () { } /* movbu */ void OP_F400 () { } /* movbu */ void OP_340000 () { } /* movbu */ void OP_FCA80000 () { } /* movbu dm,(an) */ void OP_F050 () { store_mem (State.regs[REG_A0 + ((insn & 0xc) >> 2)], 1, State.regs[REG_D0 + (insn & 0x3)]); } /* movbu */ void OP_F85000 () { } /* movbu */ void OP_FA500000 () { } /* movbu */ void OP_FC500000 () { } /* movbu */ void OP_F89200 () { } /* movbu */ void OP_FA920000 () { } /* movbu */ void OP_FC920000 () { } /* movbu */ void OP_F440 () { } /* movbu */ void OP_20000 () { } /* movbu */ void OP_FC820000 () { } /* movhu */ void OP_F060 () { } /* movhu */ void OP_F86000 () { } /* movhu */ void OP_FA600000 () { } /* movhu */ void OP_FC600000 () { } /* movhu */ void OP_F8BC00 () { } /* movhu */ void OP_FABC0000 () { } /* movhu */ void OP_FCBC0000 () { } /* movhu */ void OP_F480 () { } /* movhu */ void OP_380000 () { } /* movhu */ void OP_FCAC0000 () { } /* movhu */ void OP_F070 () { } /* movhu */ void OP_F87000 () { } /* movhu */ void OP_FA700000 () { } /* movhu */ void OP_FC700000 () { } /* movhu */ void OP_F89300 () { } /* movhu */ void OP_FA930000 () { } /* movhu */ void OP_FC930000 () { } /* movhu */ void OP_F4C0 () { } /* movhu */ void OP_30000 () { } /* movhu */ void OP_FC830000 () { } /* ext */ void OP_F2D0 () { } /* extb */ void OP_10 () { } /* extbu */ void OP_14 () { } /* exth */ void OP_18 () { } /* exthu */ void OP_1C () { } /* movm (sp), reg_list */ void OP_CE00 () { unsigned long sp = State.regs[REG_SP]; unsigned long mask; mask = insn & 0xff; if (mask & 0x8) { sp += 4; State.regs[REG_LAR] = load_mem (sp, 4); sp += 4; State.regs[REG_LIR] = load_mem (sp, 4); sp += 4; State.regs[REG_MDR] = load_mem (sp, 4); sp += 4; State.regs[REG_A0 + 1] = load_mem (sp, 4); sp += 4; State.regs[REG_A0] = load_mem (sp, 4); sp += 4; State.regs[REG_D0 + 1] = load_mem (sp, 4); sp += 4; State.regs[REG_D0] = load_mem (sp, 4); sp += 4; } if (mask & 0x10) { State.regs[REG_A0 + 3] = load_mem (sp, 4); sp += 4; } if (mask & 0x20) { State.regs[REG_A0 + 2] = load_mem (sp, 4); sp += 4; } if (mask & 0x40) { State.regs[REG_D0 + 3] = load_mem (sp, 4); sp += 4; } if (mask & 0x80) { State.regs[REG_D0 + 2] = load_mem (sp, 4); sp += 4; } /* And make sure to update the stack pointer. */ State.regs[REG_SP] = sp; } /* movm reg_list, (sp) */ void OP_CF00 () { unsigned long sp = State.regs[REG_SP]; unsigned long mask; mask = insn & 0xff; if (mask & 0x80) { sp -= 4; store_mem (sp, 4, State.regs[REG_D0 + 2]); } if (mask & 0x40) { sp -= 4; store_mem (sp, 4, State.regs[REG_D0 + 3]); } if (mask & 0x20) { sp -= 4; store_mem (sp, 4, State.regs[REG_A0 + 2]); } if (mask & 0x10) { sp -= 4; store_mem (sp, 4, State.regs[REG_A0 + 3]); } if (mask & 0x8) { sp -= 4; store_mem (sp, 4, State.regs[REG_D0]); sp -= 4; store_mem (sp, 4, State.regs[REG_D0 + 1]); sp -= 4; store_mem (sp, 4, State.regs[REG_A0]); sp -= 4; store_mem (sp, 4, State.regs[REG_A0 + 1]); sp -= 4; store_mem (sp, 4, State.regs[REG_MDR]); sp -= 4; store_mem (sp, 4, State.regs[REG_LIR]); sp -= 4; store_mem (sp, 4, State.regs[REG_LAR]); sp -= 4; } /* And make sure to update the stack pointer. */ State.regs[REG_SP] = sp; } /* clr dn */ void OP_0 () { State.regs[REG_D0 + ((insn & 0xc) >> 2)] = 0; PSW |= PSW_Z; PSW &= ~(PSW_V | PSW_C | PSW_N); } /* add dm,dn*/ void OP_E0 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_D0 + (insn & 0x3)]; value = reg1 + reg2; State.regs[REG_D0 + (insn & 0x3)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add dm, an */ void OP_F160 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_A0 + (insn & 0x3)]; value = reg1 + reg2; State.regs[REG_A0 + (insn & 0x3)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add am, dn*/ void OP_F150 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_A0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_D0 + (insn & 0x3)]; value = reg1 + reg2; State.regs[REG_D0 + (insn & 0x3)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add am,an */ void OP_F170 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_A0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_A0 + (insn & 0x3)]; value = reg1 + reg2; State.regs[REG_A0 + (insn & 0x3)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm8, dn */ void OP_2800 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0xc00) >> 8)]; imm = SEXT8 (insn & 0xff); value = reg1 + imm; State.regs[REG_D0 + ((insn & 0xc00) >> 8)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm16, dn */ void OP_FAC00000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0xc0000) >> 16)]; imm = SEXT16 (insn & 0xffff); value = reg1 + imm; State.regs[REG_D0 + ((insn & 0xc0000) >> 16)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm32,dn */ void OP_FCC00000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0xc0000) >> 16)]; imm = ((insn & 0xffff) << 16) | extension; value = reg1 + imm; State.regs[REG_D0 + ((insn & 0xc0000) >> 16)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm8, an */ void OP_2000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0xc00) >> 8)]; imm = insn & 0xff; value = reg1 + imm; State.regs[REG_A0 + ((insn & 0xc00) >> 8)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm16, an */ void OP_FAD00000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0xc0000) >> 16)]; imm = 0xffff; value = reg1 + imm; State.regs[REG_A0 + ((insn & 0xc0000) >> 16)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm32, an */ void OP_FCD00000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0xc0000) >> 16)]; imm = ((insn & 0xffff) << 16) | extension; value = reg1 + imm; State.regs[REG_A0 + ((insn & 0xc0000) >> 16)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm8, sp*/ void OP_F8FE00 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_SP]; imm = SEXT8 (insn & 0xff); value = reg1 + imm; State.regs[REG_SP] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add imm16,sp */ void OP_FAFE0000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_SP]; imm = SEXT16 (insn & 0xffff); value = reg1 + imm; State.regs[REG_SP] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* add */ void OP_FCFE0000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_SP]; imm = ((insn & 0xffff) << 16) | extension; value = reg1 + imm; State.regs[REG_SP] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* addc */ void OP_F140 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_D0 + (insn & 0x3)]; value = reg1 + reg2 + ((PSW & PSW_C) != 0); State.regs[REG_D0 + (insn & 0x3)] = value; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* sub */ void OP_F100 () { } /* sub */ void OP_F120 () { } /* sub */ void OP_F110 () { } /* sub */ void OP_F130 () { } /* sub */ void OP_FCC40000 () { } /* sub */ void OP_FCD40000 () { } /* subc */ void OP_F180 () { } /* mul */ void OP_F240 () { } /* mulu */ void OP_F250 () { } /* div */ void OP_F260 () { } /* divu */ void OP_F270 () { } /* inc dn */ void OP_40 () { State.regs[REG_D0 + ((insn & 0xc) >> 2)] += 1; } /* inc an */ void OP_41 () { State.regs[REG_A0 + ((insn & 0xc) >> 2)] += 1; } /* inc4 an */ void OP_50 () { State.regs[REG_A0 + (insn & 0x3)] += 4; } /* cmp imm8, dn */ void OP_A000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0x300) >> 8)]; imm = SEXT8 (insn & 0xff); value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp dm, dn */ void OP_A0 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_D0 + (insn & 0x3)]; value = reg1 - reg2; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp dm, an */ void OP_F1A0 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_D0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_A0 + (insn & 0x3)]; value = reg1 - reg2; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp am, dn */ void OP_F190 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_A0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_D0 + (insn & 0x3)]; value = reg1 - reg2; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp imm8, an */ void OP_B000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0x300) >> 8)]; imm = insn & 0xff; value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp am,an */ void OP_B0 () { int z, c, n, v; unsigned long reg1, reg2, value; reg1 = State.regs[REG_A0 + ((insn & 0xc) >> 2)]; reg2 = State.regs[REG_A0 + (insn & 0x3)]; value = reg1 - reg2; z = (value == 0); n = (value & 0x80000000); c = (reg1 < reg2); v = ((reg2 & 0x8000000) != (reg1 & 0x80000000) && (reg2 & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp */ void OP_FAC80000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0x300) >> 16)]; imm = SEXT16 (insn & 0xffff); value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp */ void OP_FCC80000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_D0 + ((insn & 0x300) >> 16)]; imm = ((insn & 0xffff) << 16) | extension; value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp */ void OP_FAD80000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0x300) >> 16)]; imm = insn & 0xffff; value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* cmp */ void OP_FCD80000 () { int z, c, n, v; unsigned long reg1, imm, value; reg1 = State.regs[REG_A0 + ((insn & 0x300) >> 16)]; imm = ((insn & 0xffff) << 16) | extension; value = reg1 - imm; z = (value == 0); n = (value & 0x80000000); c = (reg1 < imm); v = ((imm & 0x8000000) != (reg1 & 0x80000000) && (imm & 0x8000000) != (value & 0x80000000)); PSW &= ~(PSW_Z | PSW_N | PSW_C | PSW_V); PSW |= ((z ? PSW_Z : 0) | ( n ? PSW_N : 0) | (c ? PSW_C : 0) | (v ? PSW_V : 0)); } /* and */ void OP_F200 () { } /* and */ void OP_F8E000 () { } /* and */ void OP_FAE00000 () { } /* and */ void OP_FCE00000 () { } /* and */ void OP_FAFC0000 () { } /* or */ void OP_F210 () { } /* or */ void OP_F8E400 () { } /* or */ void OP_FAE40000 () { } /* or */ void OP_FCE40000 () { } /* or */ void OP_FAFD0000 () { } /* xor */ void OP_F220 () { } /* xor */ void OP_FAE80000 () { } /* xor */ void OP_FCE80000 () { } /* not */ void OP_F230 () { } /* btst */ void OP_F8EC00 () { } /* btst */ void OP_FAEC0000 () { } /* btst */ void OP_FCEC0000 () { } /* btst */ void OP_FE020000 () { } /* btst */ void OP_FAF80000 () { } /* btst */ void OP_F080 () { } /* btst */ void OP_FE000000 () { } /* btst */ void OP_FAF00000 () { } /* bclr */ void OP_F090 () { } /* bclr */ void OP_FE010000 () { } /* bclr */ void OP_FAF40000 () { } /* asr */ void OP_F2B0 () { } /* asr */ void OP_F8C800 () { } /* lsr */ void OP_F2A0 () { } /* lsr */ void OP_F8C400 () { } /* asl */ void OP_F290 () { } /* asl */ void OP_F8C000 () { } /* asl2 */ void OP_54 () { } /* ror */ void OP_F284 () { } /* rol */ void OP_F280 () { } /* beq */ void OP_C800 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (PSW & PSW_Z) State.pc += SEXT8 (insn & 0xff) - 2; } /* bne */ void OP_C900 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (!(PSW & PSW_Z)) State.pc += SEXT8 (insn & 0xff) - 2; } /* bgt */ void OP_C100 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (!(((PSW & PSW_Z) != 0) || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)))) State.pc += SEXT8 (insn & 0xff) - 2; } /* bge */ void OP_C200 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (!(((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) State.pc += SEXT8 (insn & 0xff) - 2; } /* ble */ void OP_C300 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (((PSW & PSW_Z) != 0) || (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0))) State.pc += SEXT8 (insn & 0xff) - 2; } /* blt */ void OP_C000 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (((PSW & PSW_N) != 0) ^ ((PSW & PSW_V) != 0)) State.pc += SEXT8 (insn & 0xff) - 2; } /* bhi */ void OP_C500 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (!(((PSW & PSW_C) != 0) || ((PSW & PSW_Z) != 0))) State.pc += SEXT8 (insn & 0xff) - 2; } /* bcc */ void OP_C600 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (!((PSW & PSW_C) != 0)) State.pc += SEXT8 (insn & 0xff) - 2; } /* bls */ void OP_C700 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if (((PSW & PSW_C) != 0) || ((PSW & PSW_Z) != 0)) State.pc += SEXT8 (insn & 0xff) - 2; } /* bcs */ void OP_C400 () { /* The dispatching code will add 2 after we return, so we subtract two here to make things right. */ if ((PSW & PSW_C) != 0) State.pc += SEXT8 (insn & 0xff) - 2; } /* bvc */ void OP_F8E800 () { /* The dispatching code will add 3 after we return, so we subtract two here to make things right. */ if (!((PSW & PSW_V) != 0)) State.pc += SEXT8 (insn & 0xff) - 3; } /* bvs */ void OP_F8E900 () { /* The dispatching code will add 3 after we return, so we subtract two here to make things right. */ if ((PSW & PSW_V) != 0) State.pc += SEXT8 (insn & 0xff) - 3; } /* bnc */ void OP_F8EA00 () { /* The dispatching code will add 3 after we return, so we subtract two here to make things right. */ if (!((PSW & PSW_C) != 0)) State.pc += SEXT8 (insn & 0xff) - 3; } /* bns */ void OP_F8EB00 () { /* The dispatching code will add 3 after we return, so we subtract two here to make things right. */ if ((PSW & PSW_N) != 0) State.pc += SEXT8 (insn & 0xff) - 3; } /* bra */ void OP_CA00 () { State.pc += SEXT8 (insn & 0xff) - 2; } /* leq */ void OP_D8 () { } /* lne */ void OP_D9 () { } /* lgt */ void OP_D1 () { } /* lge */ void OP_D2 () { } /* lle */ void OP_D3 () { } /* llt */ void OP_D0 () { } /* lhi */ void OP_D5 () { } /* lcc */ void OP_D6 () { } /* lls */ void OP_D7 () { } /* lcs */ void OP_D4 () { } /* lra */ void OP_DA () { } /* setlb */ void OP_DB () { } /* jmp */ void OP_F0F4 () { State.pc = State.regs[REG_A0 + (insn & 0x3)] - 2; } /* jmp */ void OP_CC0000 () { State.pc += SEXT16 (insn & 0xffff) - 3; } /* jmp */ void OP_DC000000 () { State.pc += (((insn & 0xffffff) << 8) | extension) - 5; } /* call */ void OP_CD000000 () { } /* call */ void OP_DD000000 () { } /* calls */ void OP_F0F0 () { unsigned int next_pc, sp; sp = State.regs[REG_SP]; next_pc = State.pc + 2; State.mem[sp] = next_pc & 0xff; State.mem[sp+1] = next_pc & 0xff00; State.mem[sp+2] = next_pc & 0xff0000; State.mem[sp+3] = next_pc & 0xff000000; State.regs[REG_MDR] = next_pc; State.pc = State.regs[REG_A0 + (insn & 0x3)] - 2; } /* calls */ void OP_FAFF0000 () { unsigned int next_pc, sp; sp = State.regs[REG_SP]; next_pc = State.pc + 4; State.mem[sp] = next_pc & 0xff; State.mem[sp+1] = next_pc & 0xff00; State.mem[sp+2] = next_pc & 0xff0000; State.mem[sp+3] = next_pc & 0xff000000; State.regs[REG_MDR] = next_pc; State.pc += SEXT16 (insn & 0xffff) - 4; } /* calls */ void OP_FCFF0000 () { unsigned int next_pc, sp; sp = State.regs[REG_SP]; next_pc = State.pc + 6; State.mem[sp] = next_pc & 0xff; State.mem[sp+1] = next_pc & 0xff00; State.mem[sp+2] = next_pc & 0xff0000; State.mem[sp+3] = next_pc & 0xff000000; State.regs[REG_MDR] = next_pc; State.pc += (((insn & 0xffff) << 16) | extension) - 6; } /* ret */ void OP_DF0000 () { } /* retf */ void OP_DE0000 () { } /* rets */ void OP_F0FC () { unsigned int sp; sp = State.regs[REG_SP]; State.pc = (State.mem[sp] | (State.mem[sp+1] << 8) | (State.mem[sp+2] << 16) | (State.mem[sp+3] << 24)); State.pc -= 2; } /* rti */ void OP_F0FD () { } /* trap */ void OP_F0FE () { } /* rtm */ void OP_F0FF () { } /* nop */ void OP_CB () { } /* putx */ void OP_F500 () { } /* getx */ void OP_F6F0 () { } /* mulq */ void OP_F600 () { } /* mulq */ void OP_F90000 () { } /* mulq */ void OP_FB000000 () { } /* mulq */ void OP_FD000000 () { } /* mulqu */ void OP_F610 () { } /* mulqu */ void OP_F91400 () { } /* mulqu */ void OP_FB140000 () { } /* mulqu */ void OP_FD140000 () { } /* sat16 */ void OP_F640 () { } /* sat24 */ void OP_F650 () { } /* bsch */ void OP_F670 () { }