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More RTL8029AS fixes from TheCollector1995;

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FDC now updates the floppy drive's DENSEL on receiving updates from the Super I/O chip;
Commented out ASIS P/I-P55TP4XE and ASUS P/I-P55T2P4 because they are too buggy;
Completely illegal instructions now also log the second byte for purposes of prefixed instruction identification;
PIC now sets mask to 0 on reset.
This commit is contained in:
OBattler
2016-08-13 17:29:14 +02:00
parent 91075fb627
commit f1367357b0
5 changed files with 52 additions and 23 deletions
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8
src/386_ops.h
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@@ -153,12 +153,14 @@ static inline uint32_t POP_L_seg(uint32_t seg)
#include "x86_ops_string.h"
#include "x86_ops_xchg.h"
static int fopcode;
static int ILLEGAL(uint32_t fetchdat)
{
cpu_state.pc = oldpc;
// fatal("Illegal instruction %08X\n", fetchdat);
pclog("Illegal instruction %08X\n", fetchdat);
pclog("Illegal instruction %08X (%02X)\n", fetchdat, fopcode);
x86illegal();
return 0;
}
@@ -166,6 +168,7 @@ static int ILLEGAL(uint32_t fetchdat)
static int op0F_w_a16(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
fopcode = opcode;
cpu_state.pc++;
// pclog("A16W: 0F %02X\n", opcode);
@@ -174,6 +177,7 @@ static int op0F_w_a16(uint32_t fetchdat)
static int op0F_l_a16(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
fopcode = opcode;
cpu_state.pc++;
// pclog("A16L: 0F %02X\n", opcode);
@@ -182,6 +186,7 @@ static int op0F_l_a16(uint32_t fetchdat)
static int op0F_w_a32(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
fopcode = opcode;
cpu_state.pc++;
// pclog("A32W: 0F %02X\n", opcode);
@@ -190,6 +195,7 @@ static int op0F_w_a32(uint32_t fetchdat)
static int op0F_l_a32(uint32_t fetchdat)
{
int opcode = fetchdat & 0xff;
fopcode = opcode;
cpu_state.pc++;
// pclog("A32L: 0F %02X\n", opcode);