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sinclair/atm.cpp: Added support for ATM-Turbo 2 with 128K ROM. (#10192)

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Also added eXtra v1.37 XT ROM as a BIOS option.
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holub 2022-08-08 12:36:35 -04:00 committed by GitHub
parent 95dc01dd40
commit 360de9fadb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 26 deletions
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src/mame/sinclair/atm.cpp
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@ -11,7 +11,7 @@ NOTES:
TODO:
* ports read
* ATM2+ (compare to ATM2) has only 1M RAM vs 512K
* Mem masks are hardcoded to 1M RAM, 64K ROM
* Mem masks are hardcoded to 1M RAM
* CMOS
* better handling of SHADOW ports
* validate screen timings
@ -39,8 +39,9 @@ namespace {
#define LOGVIDEO(...) LOGMASKED(LOG_VIDEO, __VA_ARGS__)
#define LOGWARN(...) LOGMASKED(LOG_WARN, __VA_ARGS__)
static constexpr u8 RAM_MASK = 0x40;
static constexpr u8 DOS7FFD_MASK = 0x80;
static constexpr u8 ROM_MASK = 0x7;
static constexpr u8 PEN_RAM_MASK = 0x40;
static constexpr u8 PEN_DOS7FFD_MASK = 0x80;
class atm_state : public spectrum_128_state
{
@ -124,11 +125,11 @@ void atm_state::atm_update_memory()
{
u8 page = pen_page(bank);
if (!m_pen)
page = 3;
page = ROM_MASK;
if (page & RAM_MASK)
if (page & PEN_RAM_MASK)
{
if (page & DOS7FFD_MASK)
if (page & PEN_DOS7FFD_MASK)
page = (page & 0xf8) | (m_port_7ffd_data & 0x07);
page = page & 0x3f; // TODO size dependent
m_bank_ram[bank]->set_entry(page);
@ -137,9 +138,9 @@ void atm_state::atm_update_memory()
}
else
{
if ((page & DOS7FFD_MASK) && !BIT(page, 1))
if ((page & PEN_DOS7FFD_MASK) && !BIT(page, 1))
page = (page & ~1) | is_shadow_active();
page = page & 0x03; // TODO size dependent
page = page & ROM_MASK;
m_bank_rom[bank]->set_entry(page);
views[bank].get().select(0);
LOGMEM(" RO(%X>%X)", m_bank_rom[bank]->entry(), page);
@ -217,7 +218,7 @@ void atm_state::atm_port_fff7_w(offs_t offset, u8 data)
u8 bank = offset >> 14;
u8 page = (data & 0xc0) | (~data & 0x3f);
LOGMEM("PEN%s.%s = %X %s%d: %02X\n", (page | DOS7FFD_MASK) ? "+" : "!", BIT(m_port_7ffd_data, 4), data, (page & RAM_MASK) ? "RAM" : "ROM", bank, page & 0x3f);
LOGMEM("PEN%s.%s = %X %s%d: %02X\n", (page | PEN_DOS7FFD_MASK) ? "+" : "!", BIT(m_port_7ffd_data, 4), data, (page & PEN_RAM_MASK) ? "RAM" : "ROM", bank, page & 0x3f);
pen_page(bank) = page;
atm_update_memory();
}
@ -360,7 +361,7 @@ u8 atm_state::beta_enable_r(offs_t offset)
{
if (!machine().side_effects_disabled()) {
u8 page = pen_page(0);
if (!(page & RAM_MASK) && !is_shadow_active()) {
if (!(page & PEN_RAM_MASK) && !is_shadow_active()) {
m_beta->enable();
atm_update_memory();
}
@ -438,7 +439,7 @@ void atm_state::machine_start()
// reconfigure ROMs
memory_region *rom = memregion("maincpu");
for (auto i = 0; i < 4; i++)
m_bank_rom[i]->configure_entries(0, 4*8, rom->base() + 0x10000, 0x4000);
m_bank_rom[i]->configure_entries(0, 8, rom->base() + 0x10000, 0x4000);
m_bank_ram[0]->configure_entries(0, m_ram->size() / 0x4000, m_ram->pointer(), 0x4000);
m_maincpu->space(AS_PROGRAM).specific(m_program);
@ -532,37 +533,40 @@ void atm_state::atmtb2(machine_config &config)
***************************************************************************/
ROM_START( atm )
ROM_REGION(0x020000, "maincpu", ROMREGION_ERASEFF)
ROM_REGION(0x030000, "maincpu", ROMREGION_ERASEFF)
ROM_SYSTEM_BIOS(0, "v1", "v.1.03")
ROMX_LOAD( "atm103.rom", 0x010000, 0x10000, CRC(4912e249) SHA1(a4adff05bb215dd126c47201b36956115b8fed76), ROM_BIOS(0))
ROMX_LOAD( "atm103.rom", 0x020000, 0x10000, CRC(4912e249) SHA1(a4adff05bb215dd126c47201b36956115b8fed76), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "v2", "v.1.06 joined")
ROMX_LOAD( "atm106.rom", 0x010000, 0x10000, CRC(75350b37) SHA1(2afc9994f026645c74b6c4b35bcee2e0bc0d6edc), ROM_BIOS(1))
ROMX_LOAD( "atm106.rom", 0x020000, 0x10000, CRC(75350b37) SHA1(2afc9994f026645c74b6c4b35bcee2e0bc0d6edc), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "v3", "v.1.06")
ROMX_LOAD( "atm106-1.rom", 0x010000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(2))
ROMX_LOAD( "atm106-2.rom", 0x014000, 0x4000, CRC(8fe367f9) SHA1(56de8fd39061663b9c315b74fd3c31acddae279c), ROM_BIOS(2))
ROMX_LOAD( "atm106-3.rom", 0x018000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(2))
ROMX_LOAD( "atm106-4.rom", 0x01c000, 0x4000, CRC(f352f2ab) SHA1(6045500ab01be708cef62327e9821b4a358a4673), ROM_BIOS(2))
ROMX_LOAD( "atm106-1.rom", 0x020000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(2))
ROMX_LOAD( "atm106-2.rom", 0x024000, 0x4000, CRC(8fe367f9) SHA1(56de8fd39061663b9c315b74fd3c31acddae279c), ROM_BIOS(2))
ROMX_LOAD( "atm106-3.rom", 0x028000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(2))
ROMX_LOAD( "atm106-4.rom", 0x02c000, 0x4000, CRC(f352f2ab) SHA1(6045500ab01be708cef62327e9821b4a358a4673), ROM_BIOS(2))
ROM_SYSTEM_BIOS(3, "v4", "v.1.03rs")
ROMX_LOAD( "atm103rs.rom", 0x010000, 0x10000, CRC(cdec1dfb) SHA1(08190807c6b110cb2e657d8e7d0ad18668915375), ROM_BIOS(3))
ROMX_LOAD( "atm103rs.rom", 0x020000, 0x10000, CRC(cdec1dfb) SHA1(08190807c6b110cb2e657d8e7d0ad18668915375), ROM_BIOS(3))
ROM_END
ROM_START( atmtb2 )
ROM_REGION(0x020000, "maincpu", ROMREGION_ERASEFF)
ROM_REGION(0x030000, "maincpu", ROMREGION_ERASEFF)
ROM_SYSTEM_BIOS(0, "v1", "v.1.07.12 joined")
ROMX_LOAD( "atmtb2.rom", 0x010000, 0x10000,CRC(05218c26) SHA1(71ed9864e7aa85131de97cf1e53dc152e7c79488), ROM_BIOS(0))
ROMX_LOAD( "atmtb2.rom", 0x020000, 0x10000,CRC(05218c26) SHA1(71ed9864e7aa85131de97cf1e53dc152e7c79488), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "v2", "v.1.07.12")
ROMX_LOAD( "atmtb2-1.rom", 0x010000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-2.rom", 0x014000, 0x4000, CRC(bc3f6b2b) SHA1(afa9df63857141fef270e2c97e12d2edc60cf919), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-3.rom", 0x018000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-4.rom", 0x01c000, 0x4000, CRC(5869d8c4) SHA1(c3e198138f528ac4a8dff3c76cd289fd4713abff), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-1.rom", 0x020000, 0x4000, CRC(658c98f1) SHA1(1ec694795aa6cac10147e58f38a9db0bdf7ed89b), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-2.rom", 0x024000, 0x4000, CRC(bc3f6b2b) SHA1(afa9df63857141fef270e2c97e12d2edc60cf919), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-3.rom", 0x028000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(1))
ROMX_LOAD( "atmtb2-4.rom", 0x02c000, 0x4000, CRC(5869d8c4) SHA1(c3e198138f528ac4a8dff3c76cd289fd4713abff), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "v3", "v.1.07.13")
ROMX_LOAD( "atmtb213.rom", 0x010000, 0x10000, CRC(34a91d53) SHA1(8f0af0f3c0ff1644535f20545c73d01576d6e52f), ROM_BIOS(2))
ROMX_LOAD( "atmtb213.rom", 0x020000, 0x10000, CRC(34a91d53) SHA1(8f0af0f3c0ff1644535f20545c73d01576d6e52f), ROM_BIOS(2))
ROM_SYSTEM_BIOS(3, "v4", "eXtra v1.37 XT")
ROMX_LOAD( "atmtb2x37xt.rom", 0x010000, 0x20000, CRC(e5ef44d9) SHA1(3fbb9ace7cb031e7365c19e4f8b67ed366e24064), ROM_BIOS(3))
ROM_REGION(0x01000, "keyboard", ROMREGION_ERASEFF)
// XT Keyboard
ROM_LOAD( "rf2ve3.rom", 0x0000, 0x0580, CRC(35e0f9ec) SHA1(adcf14758fab8472cfa0167af7e8326c66416416))
// AT Keyboard
ROM_LOAD( "rfat710.rom", 0x0600, 0x0680, CRC(03734365) SHA1(6cb6311727fad9bc4ccb18919c3c39b37529b8e6))
ROM_REGION(0x08000, "charrom", ROMREGION_ERASEFF)
// Char gen rom
ROM_LOAD( "sgen.rom", 0x0000, 0x0800, CRC(1f4387d6) SHA1(93b3774dc8a486643a1bdd48c606b0c84fa0e22b))