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mbee: added optional SN76489A, works with '128pepsgmod' sw-item.

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This commit is contained in:
Robbbert 2021-06-11 05:26:50 +10:00
parent 2b56705512
commit 39ce71dda0
3 changed files with 15 additions and 3 deletions
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2
hash/mbee_flop.xml
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@ -5629,7 +5629,7 @@ At the time of writing (2021-06-04) any floppy image will work in any emulated d
</part>
</software>
<software name="128pepsgmod" supported="no"><!-- need SN device added -->
<software name="128pepsgmod">
<description>EPSGmod Files</description>
<year>19??</year>
<publisher>&lt;unknown&gt;</publisher>

15
src/mame/drivers/mbee.cpp
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@ -129,6 +129,7 @@ from Brett Selwood and Andrew Davies.
#include "emu.h"
#include "includes/mbee.h"
#include "formats/mbee_cas.h"
#include "sound/sn76496.h"
#include "speaker.h"
void mbee_state::mbee_mem(address_map &map)
@ -288,6 +289,14 @@ void mbee_state::mbee128_io(address_map &map)
map(0x50, 0x57).w(FUNC(mbee_state::port50_w));
}
void mbee_state::mbee128p_io(address_map &map)
{
map.global_mask(0xff);
map.unmap_value_high();
mbee128_io(map);
map(0x10, 0x13).w("sn1", FUNC(sn76489a_device::write));
}
void mbee_state::mbee256_io(address_map &map)
{
map.unmap_value_high();
@ -301,7 +310,7 @@ void mbee_state::mbee256_io(address_map &map)
map(0x000b, 0x000b).mirror(0xff00).w(FUNC(mbee_state::port0b_w));
map(0x000c, 0x000c).mirror(0xff00).r(m_crtc, FUNC(mc6845_device::status_r)).w(FUNC(mbee_state::m6545_index_w));
map(0x000d, 0x000d).mirror(0xff00).r(m_crtc, FUNC(mc6845_device::register_r)).w(FUNC(mbee_state::m6545_data_w));
// map(0x0010, 0x0013).mirror(0xff00); Optional SN76489AN audio chip (never used)
map(0x0010, 0x0013).mirror(0xff00).w("sn1", FUNC(sn76489a_device::write));
map(0x0018, 0x001b).mirror(0xff00).r(FUNC(mbee_state::port18_r));
map(0x001c, 0x001f).mirror(0xff00).rw(FUNC(mbee_state::port1c_r), FUNC(mbee_state::port1c_w));
map(0x0044, 0x0047).mirror(0xff00).rw(m_fdc, FUNC(wd2793_device::read), FUNC(wd2793_device::write));
@ -836,7 +845,7 @@ void mbee_state::mbee128p(machine_config &config)
{
mbeeppc(config);
m_maincpu->set_addrmap(AS_PROGRAM, &mbee_state::mbee256_mem);
m_maincpu->set_addrmap(AS_IO, &mbee_state::mbee128_io);
m_maincpu->set_addrmap(AS_IO, &mbee_state::mbee128p_io);
WD2793(config, m_fdc, 4_MHz_XTAL / 2);
m_fdc->intrq_wr_callback().set(FUNC(mbee_state::fdc_intrq_w));
@ -845,6 +854,8 @@ void mbee_state::mbee128p(machine_config &config)
FLOPPY_CONNECTOR(config, m_floppy0, mbee_floppies, "35dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true);
FLOPPY_CONNECTOR(config, m_floppy1, mbee_floppies, "35dd", floppy_image_device::default_mfm_floppy_formats).enable_sound(true);
SN76489A(config, "sn1", 13.5_MHz_XTAL / 4).add_route(ALL_OUTPUTS, "mono", 0.50);
SOFTWARE_LIST(config, "flop_list").set_original("mbee_flop").set_filter("3");
remove_carts(config);
remove_quick(config);

1
src/mame/includes/mbee.h
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@ -140,6 +140,7 @@ private:
required_device<palette_device> m_palette;
void mbee128_io(address_map &map);
void mbee128p_io(address_map &map);
void mbee256_io(address_map &map);
void mbee256_mem(address_map &map);
void mbee56_io(address_map &map);