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Dribs and drabs which have escaped

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This commit is contained in:
Jasmine Iwanek
2023-08-11 20:32:56 -04:00
parent 9be5d17061
commit 02e41927e3
25 changed files with 398 additions and 326 deletions
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35
src/cpu/808x.c
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@@ -462,6 +462,9 @@ cycles_biu(int bus, int init)
cycles_idle(5 - BUS_CYCLE); /* Leftover BIU cycles + 2 idle cycles. */
BUS_CYCLE_T1; /* Abort the prefetch. */
break;
default:
break;
}
schedule_fetch = 0;
@@ -1035,6 +1038,9 @@ do_mod_rm(void)
case 2:
wait(3, 0);
break;
default:
break;
}
cpu_state.eaaddr = (*mod1add[0][cpu_rm]) + (*mod1add[1][cpu_rm]);
easeg = ovr_seg ? *ovr_seg : *mod1seg[cpu_rm];
@@ -1049,6 +1055,8 @@ do_mod_rm(void)
cpu_state.eaaddr += pfq_fetchw();
wait(1, 0);
break;
default:
break;
}
cpu_state.eaaddr &= 0xffff;
wait(2, 0);
@@ -1591,6 +1599,9 @@ alu_op(int bits)
case 6:
bitwise(bits, (cpu_dest ^ cpu_src));
break;
default:
break;
}
}
@@ -2274,6 +2285,9 @@ execx86(int cycs)
set_af(0);
set_pzs(bits);
break;
default:
break;
}
if ((opcode & 2) != 0)
wait(4, 0);
@@ -2288,6 +2302,9 @@ execx86(int cycs)
BP = pop();
handled = 1;
break;
default:
break;
}
}
if (!handled) {
@@ -3433,6 +3450,9 @@ execx86(int cycs)
set_af(0);
set_pzs(bits);
break;
default:
break;
}
if ((opcode & 2) != 0)
wait(4, 0);
@@ -3517,6 +3537,9 @@ execx86(int cycs)
case 0xDF:
ops_sf_fpu_8087_df[rmdat & 0xff](rmdat);
break;
default:
break;
}
} else {
switch (opcode) {
@@ -3544,6 +3567,9 @@ execx86(int cycs)
case 0xDF:
ops_fpu_8087_df[rmdat & 0xff](rmdat);
break;
default:
break;
}
}
}
@@ -3572,6 +3598,9 @@ execx86(int cycs)
if (!(cpu_state.flags & Z_FLAG))
oldc = 0;
break;
default:
break;
}
} else
oldc = (CX == 0);
@@ -3744,6 +3773,9 @@ execx86(int cycs)
if (x86_div(AL, AH))
wait(1, 0);
break;
default:
break;
}
break;
@@ -3843,6 +3875,9 @@ execx86(int cycs)
wait(4, 0);
push((uint16_t *) &cpu_data);
break;
default:
break;
}
break;