mirror of
https://github.com/pevans/erc-c.git
synced 2024-08-20 09:29:01 +00:00
Show the individual flags of the P register
This commit is contained in:
parent
6b160c6ca2
commit
a9cf25853d
@ -14,7 +14,7 @@ static char s_inst[4],
|
||||
s_oper[10],
|
||||
s_value[3],
|
||||
s_label[13],
|
||||
s_state[51],
|
||||
s_state[54],
|
||||
s_bytes[12];
|
||||
|
||||
static vm_8bit jump_table[MOS6502_MEMSIZE];
|
||||
@ -321,10 +321,18 @@ mos6502_dis_opcode(mos6502 *cpu, FILE *stream, int address)
|
||||
// what the PC was at the point of this opcode sequence; two,
|
||||
// the opcode;
|
||||
snprintf(s_state, sizeof(s_state) - 1,
|
||||
"pc:%02x%02x cy:%02d val:%2s a:%02x x:%02x y:%02x p:%02x s:%02x",
|
||||
"pc:%02x%02x cy:%02d val:%2s a:%02x x:%02x y:%02x p:%c%c-%c%c%c%c%c s:%02x",
|
||||
cpu->PC >> 8, cpu->PC & 0xff,
|
||||
mos6502_cycles(cpu, opcode), s_value,
|
||||
cpu->A, cpu->X, cpu->Y, cpu->P, cpu->S);
|
||||
cpu->A, cpu->X, cpu->Y,
|
||||
cpu->P & MOS_NEGATIVE ? 'N' : 'n',
|
||||
cpu->P & MOS_OVERFLOW ? 'O' : 'o',
|
||||
cpu->P & MOS_BREAK ? 'B' : 'b',
|
||||
cpu->P & MOS_DECIMAL ? 'D' : 'd',
|
||||
cpu->P & MOS_INTERRUPT ? 'I' : 'i',
|
||||
cpu->P & MOS_ZERO ? 'Z' : 'z',
|
||||
cpu->P & MOS_CARRY ? 'C' : 'c',
|
||||
cpu->S);
|
||||
|
||||
// And three, the operand, if any. Remembering that the operand
|
||||
// should be shown in little-endian order.
|
||||
@ -339,7 +347,7 @@ mos6502_dis_opcode(mos6502 *cpu, FILE *stream, int address)
|
||||
}
|
||||
}
|
||||
|
||||
fprintf(stream, "%s %4s %-9s ; %-51s | %s\n",
|
||||
fprintf(stream, "%s %4s %-9s ; %-54s | %s\n",
|
||||
s_label, s_inst, s_oper, s_state, s_bytes);
|
||||
|
||||
if (mos6502_would_jump(inst_code)) {
|
||||
|
Loading…
Reference in New Issue
Block a user