diff options
author | arbee <rb6502@users.noreply.github.com> | 2017-08-10 23:45:14 -0400 |
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committer | arbee <rb6502@users.noreply.github.com> | 2017-08-10 23:45:14 -0400 |
commit | c02fb9b8023a645e4ec130fa57def1f486e406cf (patch) | |
tree | f4223434a761ffaf004fa60ed15350934c85874f /src/mame/drivers/alphatro.cpp | |
parent | fe999de3d3d76ddc3b4f448628fe32714e0c2a03 (diff) |
alphatro: support 8K carts from the command line + add cart software list [R. Belmont]
Diffstat (limited to 'src/mame/drivers/alphatro.cpp')
-rw-r--r-- | src/mame/drivers/alphatro.cpp | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/src/mame/drivers/alphatro.cpp b/src/mame/drivers/alphatro.cpp index 20ebffa4516..46b06e1576b 100644 --- a/src/mame/drivers/alphatro.cpp +++ b/src/mame/drivers/alphatro.cpp @@ -602,16 +602,22 @@ image_init_result alphatro_state::load_cart(device_image_interface &image, gener { uint32_t size = slot->common_get_size("rom"); - if (!image.loaded_through_softlist()) + if ((size != 0x4000) && (size != 0x2000)) { - if (size != 0x4000) - { - image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid size, must be 16 K" ); - } + image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid size, must be 8 or 16 K" ); + return image_init_result::FAIL; } - slot->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_BIG); - slot->common_load_rom(slot->get_rom_base(), size, "rom"); + slot->rom_alloc(0x4000, GENERIC_ROM8_WIDTH, ENDIANNESS_BIG); + + if (size == 0x4000) // 16K ROMs come in at 0xA000 + { + slot->common_load_rom(slot->get_rom_base(), size, "rom"); + } + else // load 8K ROMs at an offset of 8K so they end up at 0xC000 + { + slot->common_load_rom(slot->get_rom_base()+0x2000, size, "rom"); + } return image_init_result::PASS; } @@ -707,6 +713,7 @@ static MACHINE_CONFIG_START( alphatro ) MCFG_UPD765_DRQ_CALLBACK(DEVWRITELINE("dmac", i8257_device, dreq2_w)) MCFG_FLOPPY_DRIVE_ADD("fdc:0", alphatro_floppies, "525dd", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD("fdc:1", alphatro_floppies, "525dd", floppy_image_device::default_floppy_formats) + MCFG_SOFTWARE_LIST_ADD("flop_list", "alphatro_flop") MCFG_DEVICE_ADD("dmac" , I8257, MAIN_CLOCK) MCFG_I8257_OUT_HRQ_CB(WRITELINE(alphatro_state, hrq_w)) @@ -730,6 +737,7 @@ static MACHINE_CONFIG_START( alphatro ) MCFG_CASSETTE_ADD("cassette") MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED) MCFG_CASSETTE_INTERFACE("alphatro_cass") + MCFG_SOFTWARE_LIST_ADD("cass_list","alphatro_cass") MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", alphatro_state, timer_c, attotime::from_hz(4800)) MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_p", alphatro_state, timer_p, attotime::from_hz(40000)) @@ -741,6 +749,7 @@ static MACHINE_CONFIG_START( alphatro ) MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "alphatro_cart") MCFG_GENERIC_EXTENSIONS("bin") MCFG_GENERIC_LOAD(alphatro_state, cart_load) + MCFG_SOFTWARE_LIST_ADD("cart_list","alphatro_cart") /* 0000 banking */ MCFG_DEVICE_ADD("lowbank", ADDRESS_MAP_BANK, 0) @@ -762,9 +771,6 @@ static MACHINE_CONFIG_START( alphatro ) MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_BIG) MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8) MCFG_ADDRESS_MAP_BANK_STRIDE(0x1000) - - // software list - MCFG_SOFTWARE_LIST_ADD("flop_list", "alphatro_flop") MACHINE_CONFIG_END |