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fix t-state table for dd/fd opcodes, the 'illegal' ones were especially wrong, all taking 4 t-states

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Michaël Banaan Ananas 2012-05-29 17:22:06 +00:00
parent ef9bb5ca46
commit f8b4459fc5
1 changed files with 21 additions and 20 deletions
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41
src/emu/cpu/z80/z80.c
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@ -258,10 +258,10 @@ static const UINT8 cc_op[0x100] = {
4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
5,10,10,10,10,11, 7,11, 5,10,10, 0,10,17, 7,11,
5,10,10,11,10,11, 7,11, 5, 4,10,11,10, 0, 7,11,
5,10,10,19,10,11, 7,11, 5, 4,10, 4,10, 0, 7,11,
5,10,10, 4,10,11, 7,11, 5, 6,10, 4,10, 0, 7,11};
5,10,10,10,10,11, 7,11, 5,10,10, 0,10,17, 7,11, /* cb -> cc_cb */
5,10,10,11,10,11, 7,11, 5, 4,10,11,10, 0, 7,11, /* dd -> cc_xy */
5,10,10,19,10,11, 7,11, 5, 4,10, 4,10, 0, 7,11, /* ed -> cc_ed */
5,10,10, 4,10,11, 7,11, 5, 6,10, 4,10, 0, 7,11}; /* fd -> cc_xy */
static const UINT8 cc_cb[0x100] = {
8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
@ -299,23 +299,24 @@ static const UINT8 cc_ed[0x100] = {
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8};
/* ix/iy: with the exception of (i+offset) opcodes, t-states are main_opcode_table + 4 */
static const UINT8 cc_xy[0x100] = {
4, 4, 4, 4, 4, 4, 4, 4, 4,15, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,15, 4, 4, 4, 4, 4, 4,
4,14,20,10, 9, 9,11, 4, 4,15,20,10, 9, 9,11, 4,
4, 4, 4, 4,23,23,19, 4, 4,15, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
9, 9, 9, 9, 9, 9,19, 9, 9, 9, 9, 9, 9, 9,19, 9,
19,19,19,19,19,19, 4,19, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4,14, 4,23, 4,15, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4,10, 4, 4, 4, 4, 4, 4};
4+4,10+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4, 4+4,11+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4,
8+4,10+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4,12+4,11+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4,
7+4,10+4,16+4, 6+4, 4+4, 4+4, 7+4, 4+4, 7+4,11+4,16+4, 6+4, 4+4, 4+4, 7+4, 4+4,
7+4,10+4,13+4, 6+4,23 ,23 ,19 , 4+4, 7+4,11+4,13+4, 6+4, 4+4, 4+4, 7+4, 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
19 ,19 ,19 ,19 ,19 ,19 , 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4,
5+4,10+4,10+4,10+4,10+4,11+4, 7+4,11+4, 5+4,10+4,10+4, 0 ,10+4,17+4, 7+4,11+4, /* cb -> cc_xycb */
5+4,10+4,10+4,11+4,10+4,11+4, 7+4,11+4, 5+4, 4+4,10+4,11+4,10+4, 4+4, 7+4,11+4,
5+4,10+4,10+4,19+4,10+4,11+4, 7+4,11+4, 5+4, 4+4,10+4, 4+4,10+4, 4+4, 7+4,11+4,
5+4,10+4,10+4, 4+4,10+4,11+4, 7+4,11+4, 5+4, 6+4,10+4, 4+4,10+4, 4+4, 7+4,11+4};
static const UINT8 cc_xycb[0x100] = {
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,