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apple2gs: more slot mapping fixes based on hardware tests [gorlik, R. Belmont]

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This commit is contained in:
arbee 2020-12-22 23:02:44 -05:00
parent 30077b1ecb
commit c0dee3c856
1 changed files with 7 additions and 17 deletions
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24
src/mame/drivers/apple2gs.cpp
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@ -3066,7 +3066,7 @@ void apple2gs_state::c080_w(offs_t offset, u8 data)
u8 apple2gs_state::read_slot_rom(int slotbias, int offset) u8 apple2gs_state::read_slot_rom(int slotbias, int offset)
{ {
int slotnum = ((offset>>8) & 0xf) + slotbias; const int slotnum = ((offset>>8) & 0xf) + slotbias;
// printf("read_slot_rom: sl %d offs %x, cnxx_slot %d\n", slotnum, offset, m_cnxx_slot); // printf("read_slot_rom: sl %d offs %x, cnxx_slot %d\n", slotnum, offset, m_cnxx_slot);
@ -3087,7 +3087,7 @@ u8 apple2gs_state::read_slot_rom(int slotbias, int offset)
void apple2gs_state::write_slot_rom(int slotbias, int offset, u8 data) void apple2gs_state::write_slot_rom(int slotbias, int offset, u8 data)
{ {
int slotnum = ((offset>>8) & 0xf) + slotbias; const int slotnum = ((offset>>8) & 0xf) + slotbias;
slow_cycle(); slow_cycle();
@ -3116,7 +3116,7 @@ u8 apple2gs_state::read_int_rom(int slotbias, int offset)
u8 apple2gs_state::c100_r(offs_t offset) u8 apple2gs_state::c100_r(offs_t offset)
{ {
int slot = ((offset>>8) & 0xf) + 1; const int slot = ((offset>>8) & 0xf) + 1;
slow_cycle(); slow_cycle();
@ -3133,7 +3133,7 @@ u8 apple2gs_state::c100_r(offs_t offset)
void apple2gs_state::c100_w(offs_t offset, u8 data) void apple2gs_state::c100_w(offs_t offset, u8 data)
{ {
int slot = ((offset>>8) & 0xf) + 1; const int slot = ((offset>>8) & 0xf) + 1;
accel_slot(slot); accel_slot(slot);
@ -3151,7 +3151,7 @@ void apple2gs_state::c300_w(offs_t offset, u8 data) { accel_slot(3 + ((offset >>
u8 apple2gs_state::c400_r(offs_t offset) u8 apple2gs_state::c400_r(offs_t offset)
{ {
int slot = ((offset>>8) & 0xf) + 4; const int slot = ((offset>>8) & 0xf) + 4;
accel_slot(slot); accel_slot(slot);
@ -3167,7 +3167,7 @@ u8 apple2gs_state::c400_r(offs_t offset)
void apple2gs_state::c400_w(offs_t offset, u8 data) void apple2gs_state::c400_w(offs_t offset, u8 data)
{ {
int slot = ((offset>>8) & 0xf) + 1; const int slot = ((offset>>8) & 0xf) + 4;
accel_slot(slot); accel_slot(slot);
@ -3185,19 +3185,9 @@ u8 apple2gs_state::c800_r(offs_t offset)
if ((offset == 0x7ff) && !machine().side_effects_disabled()) if ((offset == 0x7ff) && !machine().side_effects_disabled())
{ {
u8 rv = 0xff;
if ((m_cnxx_slot > 0) && (m_slotdevice[m_cnxx_slot] != nullptr))
{
rv = m_slotdevice[m_cnxx_slot]->read_c800(offset&0xfff);
}
else
{
rv = m_rom[offset + 0x3c800];
}
m_cnxx_slot = CNXX_UNCLAIMED; m_cnxx_slot = CNXX_UNCLAIMED;
update_slotrom_banks(); update_slotrom_banks();
return rv; return 0xff;
} }
if (m_cnxx_slot == CNXX_INTROM) if (m_cnxx_slot == CNXX_INTROM)