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(MESS) Tagmap lookup cleanup. (nw)

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This commit is contained in:
Curt Coder 2013-01-27 19:18:13 +00:00
parent 2d0ba2d051
commit 43de61ccf7
6 changed files with 35 additions and 56 deletions
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41
src/mess/drivers/c128.c
View File

@ -3,7 +3,6 @@
TODO:
- connect CAPS LOCK to charom A12 on international variants
- remove frame interrupt handler
- expansion DMA
*/
@ -161,24 +160,24 @@ UINT8 c128_state::read_memory(address_space &space, offs_t offset, offs_t vma, i
if (!rom1)
{
// CR: data = m_rom1[(ms3 << 14) | ((BIT(ta, 14) && BIT(offset, 13)) << 13) | (ta & 0x1000) | (offset & 0xfff)];
data = m_rom1[((BIT(ta, 14) && BIT(offset, 13)) << 13) | (ta & 0x1000) | (offset & 0xfff)];
data = m_rom->base()[((BIT(ta, 14) && BIT(offset, 13)) << 13) | (ta & 0x1000) | (offset & 0xfff)];
}
if (!rom2)
{
data = m_rom2[offset & 0x3fff];
data = m_rom->base()[0x4000 | (offset & 0x3fff)];
}
if (!rom3)
{
// CR: data = m_rom3[(BIT(offset, 15) << 14) | (offset & 0x3fff)];
data = m_rom3[offset & 0x3fff];
data = m_rom->base()[0x8000 | (offset & 0x3fff)];
}
if (!rom4)
{
data = m_rom4[(ta & 0x1000) | (offset & 0x2fff)];
data = m_rom->base()[0xc000 | (ta & 0x1000) | (offset & 0x2fff)];
}
if (!charom)
{
data = m_charom[(ms3 << 12) | (ta & 0xf00) | sa];
data = m_charom->base()[(ms3 << 12) | (ta & 0xf00) | sa];
}
if (!colorram && aec)
{
@ -190,7 +189,7 @@ UINT8 c128_state::read_memory(address_space &space, offs_t offset, offs_t vma, i
}
if (!from1)
{
data = m_from[offset & 0x7fff];
data = m_from->base()[offset & 0x7fff];
}
if (!iocs && BIT(offset, 10))
{
@ -1066,17 +1065,15 @@ READ8_MEMBER( c128_state::cia1_pb_r )
// keyboard
UINT8 cia1_pa = m_cia1->pa_r();
UINT8 row[8] = { m_row0->read(), m_row1->read() & m_lock->read(), m_row2->read(), m_row3->read(),
m_row4->read(), m_row5->read(), m_row6->read(), m_row7->read() };
if (!BIT(cia1_pa, 7)) data &= row[7];
if (!BIT(cia1_pa, 6)) data &= row[6];
if (!BIT(cia1_pa, 5)) data &= row[5];
if (!BIT(cia1_pa, 4)) data &= row[4];
if (!BIT(cia1_pa, 3)) data &= row[3];
if (!BIT(cia1_pa, 2)) data &= row[2];
if (!BIT(cia1_pa, 1)) data &= row[1];
if (!BIT(cia1_pa, 0)) data &= row[0];
if (!BIT(cia1_pa, 7)) data &= m_row7->read();
if (!BIT(cia1_pa, 6)) data &= m_row6->read();
if (!BIT(cia1_pa, 5)) data &= m_row5->read();
if (!BIT(cia1_pa, 4)) data &= m_row4->read();
if (!BIT(cia1_pa, 3)) data &= m_row3->read();
if (!BIT(cia1_pa, 2)) data &= m_row2->read();
if (!BIT(cia1_pa, 1)) data &= m_row1->read() & m_lock->read();
if (!BIT(cia1_pa, 0)) data &= m_row0->read();
if (!BIT(m_vic_k, 0)) data &= m_k0->read();
if (!BIT(m_vic_k, 1)) data &= m_k1->read();
@ -1433,16 +1430,6 @@ static C64_USER_PORT_INTERFACE( user_intf )
void c128_state::machine_start()
{
cbm_common_init();
// find memory regions
m_rom1 = memregion(M8502_TAG)->base();
m_rom2 = m_rom1 + 0x4000;
m_rom3 = m_rom1 + 0x8000;
m_rom4 = m_rom1 + 0xc000;
m_from = memregion("from")->base();
m_charom = memregion("charom")->base();
// allocate memory
m_color_ram.allocate(0x800);

18
src/mess/drivers/c64.c
View File

@ -644,17 +644,15 @@ READ8_MEMBER( c64_state::cia1_pb_r )
// keyboard
UINT8 cia1_pa = m_cia1->pa_r();
UINT8 row[8] = { m_row0->read(), m_row1->read() & m_lock->read(), m_row2->read(), m_row3->read(),
m_row4->read(), m_row5->read(), m_row6->read(), m_row7->read() };
if (!BIT(cia1_pa, 7)) data &= row[7];
if (!BIT(cia1_pa, 6)) data &= row[6];
if (!BIT(cia1_pa, 5)) data &= row[5];
if (!BIT(cia1_pa, 4)) data &= row[4];
if (!BIT(cia1_pa, 3)) data &= row[3];
if (!BIT(cia1_pa, 2)) data &= row[2];
if (!BIT(cia1_pa, 1)) data &= row[1];
if (!BIT(cia1_pa, 0)) data &= row[0];
if (!BIT(cia1_pa, 7)) data &= m_row7->read();
if (!BIT(cia1_pa, 6)) data &= m_row6->read();
if (!BIT(cia1_pa, 5)) data &= m_row5->read();
if (!BIT(cia1_pa, 4)) data &= m_row4->read();
if (!BIT(cia1_pa, 3)) data &= m_row3->read();
if (!BIT(cia1_pa, 2)) data &= m_row2->read();
if (!BIT(cia1_pa, 1)) data &= m_row1->read() & m_lock->read();
if (!BIT(cia1_pa, 0)) data &= m_row0->read();
return data;
}

2
src/mess/drivers/pcw16.c
View File

@ -766,7 +766,7 @@ READ8_MEMBER(pcw16_state::pcw16_system_status_r)
{
// logerror("system status r: \n");
return m_system_status | (ioport("EXTRA")->read() & 0x04);
return m_system_status | (m_io_extra->read() & 0x04);
}
READ8_MEMBER(pcw16_state::pcw16_timer_interrupt_counter_r)

2
src/mess/drivers/portfoli.c
View File

@ -62,8 +62,8 @@
TODO:
- expansion port slot interface
- clock is running too fast
- access violation after OFF command
- create chargen ROM from tech manual
- memory error interrupt vector
- i/o port 8051

6
src/mess/drivers/sage2.c
View File

@ -45,7 +45,7 @@ READ8_MEMBER( sage2_state::read )
{
UINT8 data = 0xff;
if (m_reset || (offset >= 0xfe0000))
if (m_reset || (offset >= 0xfe0000 && offset < 0xff4000))
{
data = m_rom[offset & 0x1fff];
}
@ -248,8 +248,8 @@ WRITE8_MEMBER( sage2_state::ppi0_pc_w )
// drive select
m_floppy = NULL;
if (BIT(data, 3)) m_floppy = m_floppy0->get_device();
if (BIT(data, 4)) m_floppy = m_floppy1->get_device();
if (!BIT(data, 3)) m_floppy = m_floppy0->get_device();
if (!BIT(data, 4)) m_floppy = m_floppy1->get_device();
m_fdc->set_floppy(m_floppy);

22
src/mess/includes/c128.h
View File

@ -57,6 +57,10 @@ public:
m_user(*this, C64_USER_PORT_TAG),
m_ram(*this, RAM_TAG),
m_cassette(*this, PET_DATASSETTE_PORT_TAG),
m_rom(*this, M8502_TAG),
m_from(*this, "from"),
m_charom(*this, "charom"),
m_color_ram(*this, "color_ram"),
m_row0(*this, "ROW0"),
m_row1(*this, "ROW1"),
m_row2(*this, "ROW2"),
@ -78,13 +82,6 @@ public:
m_charen(1),
m_game(1),
m_exrom(1),
m_rom1(NULL),
m_rom2(NULL),
m_rom3(NULL),
m_rom4(NULL),
m_from(NULL),
m_charom(NULL),
m_color_ram(*this, "color_ram"),
m_va14(1),
m_va15(1),
m_clrbank(0),
@ -118,6 +115,10 @@ public:
required_device<c64_user_port_device> m_user;
required_device<ram_device> m_ram;
required_device<pet_datassette_port_device> m_cassette;
required_memory_region m_rom;
required_memory_region m_from;
required_memory_region m_charom;
optional_shared_ptr<UINT8> m_color_ram;
required_ioport m_row0;
required_ioport m_row1;
required_ioport m_row2;
@ -203,15 +204,8 @@ public:
int m_game;
int m_exrom;
int m_reset;
const UINT8 *m_rom1;
const UINT8 *m_rom2;
const UINT8 *m_rom3;
const UINT8 *m_rom4;
const UINT8 *m_from;
const UINT8 *m_charom;
// video state
optional_shared_ptr<UINT8> m_color_ram;
int m_va14;
int m_va15;
int m_clrbank;