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Diffstat (limited to 'trunk/src/emu/cpu/sc61860/sctable.c')
-rw-r--r--trunk/src/emu/cpu/sc61860/sctable.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/sc61860/sctable.c b/trunk/src/emu/cpu/sc61860/sctable.c
new file mode 100644
index 00000000000..02e61f58957
--- /dev/null
+++ b/trunk/src/emu/cpu/sc61860/sctable.c
@@ -0,0 +1,144 @@
+
+static void sc61860_instruction(sc61860_state *cpustate)
+{
+ int oper=READ_OP(cpustate);
+ if ((oper&0xc0)==0x80) {
+ sc61860_load_imm_p(cpustate, oper&0x3f);cpustate->icount-=2;
+ } else if ((oper&0xe0)==0xe0) {
+ sc61860_call(cpustate, READ_OP(cpustate)|((oper&0x1f)<<8));cpustate->icount-=7;
+ } else {
+ switch(oper) {
+ case 0: sc61860_load_imm(cpustate, I, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 1: sc61860_load_imm(cpustate, J, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 2: sc61860_load_imm(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 3: sc61860_load_imm(cpustate, B, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 4: sc61860_inc_load_dp(cpustate, XL);cpustate->icount-=6;break;
+ case 5: sc61860_dec_load_dp(cpustate, XL);cpustate->icount-=6;break;
+ case 6: sc61860_inc_load_dp(cpustate, YL);cpustate->icount-=6;break;
+ case 7: sc61860_dec_load_dp(cpustate, YL);cpustate->icount-=6;break;
+ case 8: sc61860_copy(cpustate, READ_RAM(cpustate, I));break;
+ case 9: sc61860_exchange(cpustate, READ_RAM(cpustate, I));break;
+ case 10: sc61860_copy(cpustate, READ_RAM(cpustate, J));break;
+ case 11: sc61860_exchange(cpustate, READ_RAM(cpustate, J));break;
+ case 12: sc61860_add_bcd_a(cpustate);cpustate->icount-=7;break;
+ case 13: sc61860_sub_bcd_a(cpustate);cpustate->icount-=7;break;
+ case 14: sc61860_add_bcd(cpustate);cpustate->icount-=7;break;
+ case 15: sc61860_sub_bcd(cpustate);cpustate->icount-=7;break;
+ case 16: sc61860_load_dp(cpustate);cpustate->icount-=8;break;
+ case 17: sc61860_load_dl(cpustate);cpustate->icount-=5;break;
+ case 18: sc61860_load_imm_p(cpustate, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 19: sc61860_load_imm_q(cpustate, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 20: sc61860_add_word(cpustate);cpustate->icount-=5;break;
+ case 21: sc61860_sub_word(cpustate);cpustate->icount-=5;break;
+ case 24: sc61860_copy_ext(cpustate, READ_RAM(cpustate, I));break;
+ case 25: sc61860_exchange_ext(cpustate, READ_RAM(cpustate, I));break;
+ case 26: sc61860_copy_ext(cpustate, READ_RAM(cpustate, J));break;
+ case 27: sc61860_exchange_ext(cpustate, READ_RAM(cpustate, J));break;
+ case 28: sc61860_shift_right_nibble(cpustate);cpustate->icount-=5;break;
+ case 29: sc61860_shift_left_nibble(cpustate);cpustate->icount-=5;break;
+ case 30: sc61860_fill(cpustate);cpustate->icount-=5;break;
+ case 31: sc61860_fill_ext(cpustate);cpustate->icount-=4;break;
+ case 32: sc61860_store_p(cpustate);cpustate->icount-=2;break;
+ case 33: sc61860_store_q(cpustate);cpustate->icount-=2;break;
+ case 34: sc61860_store_r(cpustate);cpustate->icount-=2;break;
+ case 36: sc61860_inc_load_dp_load(cpustate);cpustate->icount-=7;break;
+ case 37: sc61860_dec_load_dp_load(cpustate);cpustate->icount-=7;break;
+ case 38: sc61860_inc_load_dp_store(cpustate);cpustate->icount-=7;break;
+ case 39: sc61860_dec_load_dp_store(cpustate);cpustate->icount-=7;break;
+ case 40: sc61860_jump_rel_plus(cpustate, !cpustate->zero);cpustate->icount-=4;break;
+ case 41: sc61860_jump_rel_minus(cpustate, !cpustate->zero);cpustate->icount-=4;break;
+ case 42: sc61860_jump_rel_plus(cpustate, !cpustate->carry);cpustate->icount-=4;break;
+ case 43: sc61860_jump_rel_minus(cpustate, !cpustate->carry);cpustate->icount-=4;break;
+ case 44: sc61860_jump_rel_plus(cpustate, TRUE);cpustate->icount-=4;break;
+ case 45: sc61860_jump_rel_minus(cpustate, TRUE);cpustate->icount-=4;break;
+ case 47: sc61860_loop(cpustate);cpustate->icount-=7;break;
+ case 48: sc61860_load_imm_p(cpustate, READ_RAM(cpustate, A));cpustate->icount-=2;break;
+ case 49: sc61860_load_imm_q(cpustate, READ_RAM(cpustate, A));cpustate->icount-=2;break;
+ case 50: sc61860_load_r(cpustate);cpustate->icount-=2;break;
+ case 52: sc61860_push(cpustate);cpustate->icount-=3;break;
+ case 53: sc61860_copy_int(cpustate, READ_RAM(cpustate, I));break;
+ case 55: sc61860_return(cpustate);cpustate->icount-=4;break;
+ case 56: sc61860_jump_rel_plus(cpustate, cpustate->zero);cpustate->icount-=4;break;
+ case 57: sc61860_jump_rel_minus(cpustate, cpustate->zero);cpustate->icount-=4;break;
+ case 58: sc61860_jump_rel_plus(cpustate, cpustate->carry);cpustate->icount-=4;break;
+ case 59: sc61860_jump_rel_minus(cpustate, cpustate->carry);cpustate->icount-=4;break;
+ case 64: sc61860_inc(cpustate, I);cpustate->icount-=4;break;
+ case 65: sc61860_dec(cpustate, I);cpustate->icount-=4;break;
+ case 66: sc61860_inc(cpustate, A);cpustate->icount-=4;break;
+ case 67: sc61860_dec(cpustate, A);cpustate->icount-=4;break;
+ case 68: sc61860_add(cpustate, cpustate->p, READ_RAM(cpustate, A));cpustate->icount-=3;break;
+ case 69: sc61860_sub(cpustate, cpustate->p, READ_RAM(cpustate, A));cpustate->icount-=3;break;
+ case 70: sc61860_and(cpustate, cpustate->p, READ_RAM(cpustate, A));cpustate->icount-=3;break;
+ case 71: sc61860_or(cpustate, cpustate->p, READ_RAM(cpustate, A));cpustate->icount-=3;break;
+ case 72: sc61860_inc(cpustate, K);cpustate->icount-=4;break;
+ case 73: sc61860_dec(cpustate, K);cpustate->icount-=4;break;
+ case 74: sc61860_inc(cpustate, V);cpustate->icount-=4;break;
+ case 75: sc61860_dec(cpustate, V);cpustate->icount-=4;break;
+ case 76: sc61860_in_a(cpustate);cpustate->icount-=2;break;
+ case 77: /*nopw*/;cpustate->icount-=2;break;
+ case 78: sc61860_wait(cpustate);cpustate->icount-=6;break;
+ case 79: sc61860_wait_x(cpustate, FALSE);cpustate->icount-=1;break;
+ case 80: sc61860_inc_p(cpustate);cpustate->icount-=2;break;
+ case 81: sc61860_dec_p(cpustate);cpustate->icount-=2;break;
+ case 82: sc61860_store_ext(cpustate, A);cpustate->icount-=2;break;
+ case 83: sc61860_store_ext(cpustate, cpustate->p);cpustate->icount-=2;break;
+ case 84: sc61860_load_imm(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=3/*?*/;break; // undocumented
+ case 85: sc61860_load_ext(cpustate, cpustate->p);cpustate->icount-=3;break;
+ case 86: sc61860_load_imm(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=3/*?*/;break; // undocumented
+ case 87: sc61860_load_ext(cpustate, A);cpustate->icount-=3;break;
+ case 88: sc61860_swap(cpustate);cpustate->icount-=2;break;
+ case 89: sc61860_load(cpustate);cpustate->icount-=2;break;
+ case 90: sc61860_rotate_left(cpustate);cpustate->icount-=2;break;
+ case 91: sc61860_pop(cpustate);cpustate->icount-=2;break;
+ case 93: sc61860_out_a(cpustate);cpustate->icount-=3;break;
+ case 95: sc61860_out_f(cpustate);cpustate->icount-=3;break;
+ case 96: sc61860_and(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 97: sc61860_or(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 98: sc61860_test(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 99: sc61860_cmp(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 100: sc61860_and(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 101: sc61860_or(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 102: sc61860_test(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 103: sc61860_cmp(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 105: sc61860_execute_table_call(cpustate);cpustate->icount-=3;break;
+ case 107: sc61860_test_special(cpustate);cpustate->icount-=4;break;
+ case 111: sc61860_wait_x(cpustate, TRUE);cpustate->icount-=1;break;
+ case 112: sc61860_add(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 113: sc61860_sub(cpustate, cpustate->p, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 116: sc61860_add(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 117: sc61860_sub(cpustate, A, READ_OP(cpustate));cpustate->icount-=4;break;
+ case 120: sc61860_call(cpustate, READ_OP_ARG_WORD(cpustate));cpustate->icount-=8;break;
+ case 121: sc61860_jump(cpustate, 1);cpustate->icount-=6;break;
+ case 122: sc61860_prepare_table_call(cpustate);cpustate->icount-=9;break;
+ case 124: sc61860_jump(cpustate, !cpustate->zero);cpustate->icount-=6;break;
+ case 125: sc61860_jump(cpustate, !cpustate->carry);cpustate->icount-=6;break;
+ case 126: sc61860_jump(cpustate, cpustate->zero);cpustate->icount-=6;break;
+ case 127: sc61860_jump(cpustate, cpustate->carry);cpustate->icount-=6;break;
+ case 192: sc61860_inc(cpustate, J);cpustate->icount-=4;break;
+ case 193: sc61860_dec(cpustate, J);cpustate->icount-=4;break;
+ case 194: sc61860_inc(cpustate, B);cpustate->icount-=4;break;
+ case 195: sc61860_dec(cpustate, B);cpustate->icount-=4;break;
+ case 196: sc61860_add_carry(cpustate);cpustate->icount-=3;break;
+ case 197: sc61860_sub_carry(cpustate);cpustate->icount-=3;break;
+ case 199: sc61860_cmp(cpustate, cpustate->p, READ_RAM(cpustate, A));cpustate->icount-=3;break;
+ case 200: sc61860_inc(cpustate, L);cpustate->icount-=4;break;
+ case 201: sc61860_dec(cpustate, L);cpustate->icount-=4;break;
+ case 202: sc61860_inc(cpustate, W);cpustate->icount-=4;break;
+ case 203: sc61860_dec(cpustate, W);cpustate->icount-=4;break;
+ case 204: sc61860_in_b(cpustate);cpustate->icount-=2;break;
+ case 206: /*nopt*/;cpustate->icount-=3;break;
+ case 208: sc61860_set_carry(cpustate);cpustate->icount-=2;break;
+ case 209: sc61860_reset_carry(cpustate);cpustate->icount-=4;break;
+ case 210: sc61860_rotate_right(cpustate);cpustate->icount-=2;break;
+ case 212: sc61860_and_ext(cpustate);cpustate->icount-=6;break;
+ case 213: sc61860_or_ext(cpustate);cpustate->icount-=6;break;
+ case 214: sc61860_test_ext(cpustate);cpustate->icount-=6;break;
+ case 216: sc61860_leave(cpustate);cpustate->icount-=2;break;
+ case 218: sc61860_exam(cpustate, A, B);cpustate->icount-=3;break;
+ case 219: sc61860_exam(cpustate, A, cpustate->p);cpustate->icount-=3;break;
+ case 221: sc61860_out_b(cpustate);cpustate->icount-=2;break;
+ case 223: sc61860_out_c(cpustate);cpustate->icount-=2;break;
+ default: logerror("sc61860 illegal opcode at %.4x %.2x\n",cpustate->pc-1, oper);
+ }
+ }
+}