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Disabling the PS/2 mouse via the KBC command byte now also disables the "Write to mouse output buffer" and "Write to mouse" commands, fixes hang when entering CMOS Setup on the P55T2S;

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Unified the various machines' identical port 92h implementations.
This commit is contained in:
OBattler
2018-01-07 20:36:30 +01:00
parent 4c5dadc84a
commit 32bc2a02b3
7 changed files with 35 additions and 50 deletions
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19
src/machine/m_ps2_mca.c
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@@ -356,9 +356,6 @@ uint8_t ps2_mca_read(uint16_t port, void *p)
{
case 0x91:
fatal("Read 91 setup=%02x adapter=%02x\n", ps2.setup, ps2.adapter_setup);
case 0x92:
temp = ps2.sys_ctrl_port_a;
break;
case 0x94:
temp = ps2.setup;
break;
@@ -452,16 +449,6 @@ static void ps2_mca_write(uint16_t port, uint8_t val, void *p)
switch (port)
{
case 0x0092:
if ((val & 1) && !(ps2.sys_ctrl_port_a & 1))
{
softresetx86();
cpu_set_edx();
}
ps2.sys_ctrl_port_a = val;
mem_a20_alt = val & 2;
mem_a20_recalc();
break;
case 0x94:
ps2.setup = val;
break;
@@ -524,11 +511,15 @@ static void ps2_mca_write(uint16_t port, uint8_t val, void *p)
static void ps2_mca_board_common_init()
{
io_sethandler(0x0091, 0x0002, ps2_mca_read, NULL, NULL, ps2_mca_write, NULL, NULL, NULL);
io_sethandler(0x0091, 0x0001, ps2_mca_read, NULL, NULL, ps2_mca_write, NULL, NULL, NULL);
io_sethandler(0x0094, 0x0001, ps2_mca_read, NULL, NULL, ps2_mca_write, NULL, NULL, NULL);
io_sethandler(0x0096, 0x0001, ps2_mca_read, NULL, NULL, ps2_mca_write, NULL, NULL, NULL);
io_sethandler(0x0100, 0x0008, ps2_mca_read, NULL, NULL, ps2_mca_write, NULL, NULL, NULL);
port_92_reset();
port_92_add();
ps2.setup = 0xff;
lpt1_init(0x3bc);