diff options
author | 2019-03-26 11:13:37 +1100 | |
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committer | 2019-03-26 11:13:37 +1100 | |
commit | 97b67170277437131adf6ed4d60139c172529e4f (patch) | |
tree | 7a5cbf608f191075f1612b1af15832c206a3fe2d /src/devices/bus/astrocde/rom.cpp | |
parent | b380514764cf857469bae61c11143a19f79a74c5 (diff) |
(nw) Clean up the mess on master
This effectively reverts b380514764cf857469bae61c11143a19f79a74c5 and
c24473ddff715ecec2e258a6eb38960cf8c8e98e, restoring the state at
598cd5227223c3b04ca31f0dbc1981256d9ea3ff.
Before pushing, please check that what you're about to push is sane.
Check your local commit log and ensure there isn't anything out-of-place
before pushing to mainline. When things like this happen, it wastes
everyone's time. I really don't need this in a week when real work⢠is
busting my balls and I'm behind where I want to be with preparing for
MAME release.
Diffstat (limited to 'src/devices/bus/astrocde/rom.cpp')
-rw-r--r-- | src/devices/bus/astrocde/rom.cpp | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/src/devices/bus/astrocde/rom.cpp b/src/devices/bus/astrocde/rom.cpp index fcebedfc81d..bb5d6912fc2 100644 --- a/src/devices/bus/astrocde/rom.cpp +++ b/src/devices/bus/astrocde/rom.cpp @@ -17,9 +17,10 @@ // astrocade_rom_device - constructor //------------------------------------------------- -DEFINE_DEVICE_TYPE(ASTROCADE_ROM_STD, astrocade_rom_device, "astrocade_rom", "Bally Astrocade Standard Carts") -DEFINE_DEVICE_TYPE(ASTROCADE_ROM_256K, astrocade_rom_256k_device, "astrocade_256k", "Bally Astrocade 256K Carts") -DEFINE_DEVICE_TYPE(ASTROCADE_ROM_512K, astrocade_rom_512k_device, "astrocade_512k", "Bally Astrocade 512K Carts") +DEFINE_DEVICE_TYPE(ASTROCADE_ROM_STD, astrocade_rom_device, "astrocade_rom", "Bally Astrocade Standard Carts") +DEFINE_DEVICE_TYPE(ASTROCADE_ROM_256K, astrocade_rom_256k_device, "astrocade_rom_256k", "Bally Astrocade 256K Carts") +DEFINE_DEVICE_TYPE(ASTROCADE_ROM_512K, astrocade_rom_512k_device, "astrocade_rom_512k", "Bally Astrocade 512K Carts") +DEFINE_DEVICE_TYPE(ASTROCADE_ROM_CASS, astrocade_rom_cass_device, "astrocade_rom_cass", "Bally Astrocade AstroBASIC Cart") astrocade_rom_device::astrocade_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) @@ -42,6 +43,12 @@ astrocade_rom_512k_device::astrocade_rom_512k_device(const machine_config &mconf { } +astrocade_rom_cass_device::astrocade_rom_cass_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : astrocade_rom_device(mconfig, ASTROCADE_ROM_CASS, tag, owner, clock) + , m_cassette(*this, "cassette") +{ +} + void astrocade_rom_256k_device::device_start() { @@ -95,3 +102,31 @@ READ8_MEMBER(astrocade_rom_512k_device::read_rom) else // 0x3fc0-0x3fff return m_base_bank = offset & 0x7f; } + +READ8_MEMBER(astrocade_rom_cass_device::read_rom) +{ + if (offset < m_rom_size) + return m_rom[offset]; + else if ((offset & 0x1c00) == 0x1800) + { + m_cassette->output(+1); + return 0xff; + } + else if ((offset & 0x1c00) == 0x1c00) + { + m_cassette->output(-1); + return m_cassette->input() > 0.0 ? 0 : 1; + } + return 0xff; +} + +/*------------------------------------------------- + mapper specific device configuration + -------------------------------------------------*/ + +void astrocade_rom_cass_device::device_add_mconfig(machine_config &config) +{ + CASSETTE(config, m_cassette); + m_cassette->set_default_state(CASSETTE_STOPPED); + m_cassette->set_interface("astrocade_cass"); +} |