diff options
Diffstat (limited to 'assemble.c')
| -rw-r--r-- | assemble.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -1390,14 +1390,15 @@ static ea *process_ea (operand *input, ea *output, int addrbits, int rfield, return NULL; if (s!=1 && i!=-1) return NULL;/* no can do, in 16-bit EA */ - if (b==-1 && i!=-1) b ^= i ^= b ^= i; /* swap them round */ + if (b==-1 && i!=-1) { int tmp = b; b = i; i = tmp; } /* swap */ if ((b==R_SI || b==R_DI) && i!=-1) - b ^= i ^= b ^= i; /* have BX/BP as base, SI/DI index */ + { int tmp = b; b = i; i = tmp; } + /* have BX/BP as base, SI/DI index */ if (b==i) return NULL;/* shouldn't ever happen, in theory */ if (i!=-1 && b!=-1 && (i==R_BP || i==R_BX || b==R_SI || b==R_DI)) return NULL; /* invalid combinations */ - if (b==-1) /* pure offset: handled above */ + if (b==-1) /* pure offset: handled above */ return NULL; /* so if it gets to here, panic! */ rm = -1; |