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nokia/mikromikko2: Added preliminary video. [Curt Coder]

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Curt Coder 2024-06-03 15:05:32 +03:00
parent 21272432e9
commit 34e11bd73e
2 changed files with 130 additions and 16 deletions
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113
src/mame/nokia/mikromikko2.cpp
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@ -67,7 +67,7 @@ void mm2_state::mm2_map(address_map &map)
map(0x20000, 0x3ffff).ram(); // DRAM 128 KB (on SBC186)
map(0x40000, 0x7ffff).ram(); // DRAM 256 KB (on SBC186 or MEME186)
map(0x80000, 0xbffff).ram(); // DRAM 256 KB (on MEME186)
map(0xd0000, 0xd7fff).ram(); // video RAM
map(0xd0000, 0xd1fff).ram(); // video RAM
map(0xd8000, 0xd9fff).rom().region("chargen", 0);
map(0xf0000, 0xf01ff).rw(m_novram, FUNC(x2212_device::read), FUNC(x2212_device::write)).umask16(0xff00);
map(0xf0200, 0xfffff).rom().region(I80186_TAG, 0x200);
@ -100,13 +100,13 @@ void mm2_state::mm2_io_map(address_map &map)
map(0xf980, 0xf9ff).rw(m_vpac, FUNC(crt9007_device::read), FUNC(crt9007_device::write)).umask16(0x00ff);
map(0xf980, 0xf981).rw(m_sio, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)).umask16(0xff00);
map(0xf982, 0xf983).rw(m_sio, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)).umask16(0xff00);
//map(0xf9c0, 0xf9c0) COMPL
//map(0xf9c2, 0xf9c2) BLANK
//map(0xf9c4, 0xf9c4) MODE
//map(0xf9c6, 0xf9c6) MODEG
//map(0xf9ca, 0xf9ca) C70/50
//map(0xf9ce, 0xf9ce) CRU
//map(0xf9cc, 0xf9cc) CRB
map(0xf9c0, 0xf9c1).w(FUNC(mm2_state::cpl_w));
map(0xf9c2, 0xf9c3).w(FUNC(mm2_state::blc_w));
map(0xf9c4, 0xf9c5).w(FUNC(mm2_state::mode_w));
map(0xf9c6, 0xf9c7).w(FUNC(mm2_state::modeg_w));
map(0xf9ca, 0xf9cb).w(FUNC(mm2_state::c70_50_w));
map(0xf9cc, 0xf9cd).w(FUNC(mm2_state::crb_w));
map(0xf9ce, 0xf9cf).w(FUNC(mm2_state::cru_w));
// MMC186
map(0xfa00, 0xfa1f).rw(m_dmac, FUNC(am9517a_device::read), FUNC(am9517a_device::write)).umask16(0x00ff);
@ -126,8 +126,66 @@ void mm2_state::vpac_mem(address_map &map)
static INPUT_PORTS_START( mm2 )
INPUT_PORTS_END
uint32_t mm2_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
static const gfx_layout charlayout =
{
8, 15,
RGN_FRAC(1,1),
1,
{ RGN_FRAC(0,1) },
{ 7, 6, 5, 4, 3, 2, 1, 0 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16 },
16*16
};
static const gfx_layout gfxlayout =
{
8, 1,
RGN_FRAC(1,1),
1,
{ RGN_FRAC(0,1) },
{ 7, 6, 5, 4, 3, 2, 1, 0 },
{ 15*16 },
16*16
};
static GFXDECODE_START( gfx_mm2 )
GFXDECODE_ENTRY( "chargen", 0, charlayout, 0, 1 )
GFXDECODE_ENTRY( "chargen", 0, gfxlayout, 0, 1 )
GFXDECODE_END
uint32_t mm2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
if (!m_blc)
{
bitmap.fill(0, cliprect);
return 0;
}
uint16_t *vram = (uint16_t *)m_maincpu->space(AS_PROGRAM).get_read_ptr(0xd1000);
uint16_t *crom = (uint16_t *)m_maincpu->space(AS_PROGRAM).get_read_ptr(0xd8000);
for (int sy = 0; sy < 24; sy++)
{
for (int y = 0; y < 12; y++)
{
for (int sx = 0; sx < 80; sx++)
{
uint16_t data = vram[(sy * 80) + sx];
offs_t char_addr = ((data & 0x1ff) << 4) | y;
uint16_t char_data = crom[char_addr];
for (int bit = 0; bit < 8; bit++)
{
bool pixel = BIT(char_data, 0) ^ !m_cpl;
char_data >>= 1;
bitmap.pix((sy * 12) + y, (sx * 8) + bit) = pixel;
}
}
}
}
return 0;
}
@ -135,6 +193,17 @@ void mm2_state::machine_start()
{
}
void mm2_state::machine_reset()
{
m_cpl = 0;
m_blc = 0;
m_mode = 0;
m_modeg = 0;
m_c70_50 = 0;
m_cru = 0;
m_crb = 0;
}
void mm2_state::floppy_formats(format_registration &fr)
{
fr.add_mfm_containers();
@ -153,10 +222,18 @@ void mm2_state::mm2(machine_config &config)
m_maincpu->set_addrmap(AS_IO, &mm2_state::mm2_io_map);
PIC8259(config, m_pic);
m_pic->out_int_callback().set(m_maincpu, FUNC(i80186_cpu_device::int0_w));
PIT8253(config, m_pit);
m_pit->set_clk<0>(16_MHz_XTAL/8);
m_pit->set_clk<1>(16_MHz_XTAL/8);
m_pit->set_clk<2>(16_MHz_XTAL/8);
m_pit->out_handler<0>().set(m_pic, FUNC(pic8259_device::ir0_w));
//m_pit->out_handler<1>().set()); MPSC ch B line clock
//m_pit->out_handler<2>().set()); Beep control
I8274(config, m_mpsc, 16_MHz_XTAL/4);
m_mpsc->out_int_callback().set(m_pic, FUNC(pic8259_device::ir1_w));
X2212(config, m_novram);
@ -164,12 +241,17 @@ void mm2_state::mm2(machine_config &config)
screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
screen.set_refresh_hz(71);
screen.set_screen_update(FUNC(mm2_state::screen_update));
screen.set_size(800, 420);
screen.set_visarea(0, 800-1, 0, 420-1);
screen.set_size(640, 420);
screen.set_visarea(0, 640-1, 0, 420-1);
screen.set_palette(m_palette);
GFXDECODE(config, "gfxdecode", m_palette, gfx_mm2);
PALETTE(config, m_palette, palette_device::MONOCHROME);
CRT9007(config, m_vpac, 35.4525_MHz_XTAL/8);
m_vpac->set_addrmap(0, &mm2_state::vpac_mem);
m_vpac->set_character_width(10);
m_vpac->int_callback().set(FUNC(mm2_state::vpac_int_w));
m_vpac->set_screen(SCREEN_TAG);
CRT9212(config, m_drb0, 0);
@ -177,11 +259,14 @@ void mm2_state::mm2(machine_config &config)
CRT9212(config, m_drb1, 0);
I8251(config, m_sio, 16_MHz_XTAL/4);
m_sio->rxrdy_handler().set(FUNC(mm2_state::sio_rxrdy_w));
m_sio->txrdy_handler().set(FUNC(mm2_state::sio_txrdy_w));
// MMC186
AM9517A(config, m_dmac, 16_MHz_XTAL/4);
UPD765A(config, m_fdc, 16_MHz_XTAL/2, true, true);
m_fdc->intrq_wr_callback().set(m_pic, FUNC(pic8259_device::ir4_w));
FLOPPY_CONNECTOR(config, UPD765_TAG ":0", mm2_floppies, "525qd", mm2_state::floppy_formats).enable_sound(true);
@ -209,7 +294,7 @@ ROM_START( mm2m35d )
ROMX_LOAD( "9491c.ic58", 0x8001, 0x4000, CRC(32047735) SHA1(408f03bc2d89257488e4b3336500681bb168cdec), ROM_SKIP(1) | ROM_BIOS(1) )
ROM_REGION16_LE( 0x4000, "chargen", 0 )
ROMX_LOAD( "9067e.ic40", 0x0001, 0x2000, CRC(fa719d92) SHA1(af6cc03a8171b9c95e8548c5e0268816344d7367), ROM_SKIP(1) )
ROMX_LOAD( "9067e.ic40", 0x0000, 0x2000, CRC(fa719d92) SHA1(af6cc03a8171b9c95e8548c5e0268816344d7367), ROM_SKIP(1) )
ROM_REGION( 0x2000, "attr", 0 )
ROM_LOAD( "9026a.ic26", 0x0000, 0x2000, CRC(fe1da600) SHA1(3a5512b08d8f7bb5a0ff3f50bcf33de649a0489d) )
@ -221,4 +306,4 @@ ROM_START( mm2m35d )
ROM_LOAD( "keyboard", 0x000, 0x400, NO_DUMP )
ROM_END
COMP( 1983, mm2m35d, 0, 0, mm2, mm2, mm2_state, empty_init, "Nokia Data", "MikroMikko 2 M35D", MACHINE_IS_SKELETON )
COMP( 1983, mm2m35d, 0, 0, mm2, mm2, mm2_state, empty_init, "Nokia Data", "MikroMikko 2 M35D", MACHINE_NOT_WORKING )

33
src/mame/nokia/mikromikko2.h
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@ -5,6 +5,7 @@
#pragma once
#include "emupal.h"
#include "screen.h"
#include "bus/nscsi/devices.h"
#include "bus/scsi/s1410.h"
@ -44,13 +45,15 @@ public:
m_sio(*this, "i8251"),
m_dmac(*this, "am9517a"),
m_fdc(*this, UPD765_TAG),
m_sasi(*this, "sasi:7:scsicb")
m_sasi(*this, "sasi:7:scsicb"),
m_palette(*this, "palette")
{ }
void mm2(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
required_device<i80186_cpu_device> m_maincpu;
@ -65,18 +68,44 @@ private:
required_device<am9517a_device> m_dmac;
required_device<upd765a_device> m_fdc;
required_device<nscsi_callback_device> m_sasi;
required_device<palette_device> m_palette;
void mm2_map(address_map &map);
void mm2_io_map(address_map &map);
void vpac_mem(address_map &map);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
static void floppy_formats(format_registration &fr);
void novram_store(offs_t offset, uint8_t data);
void novram_recall(offs_t offset, uint8_t data);
uint8_t videoram_r(offs_t offset);
bool m_vpac_int;
bool m_sio_rxrdy;
bool m_sio_txrdy;
void update_pic_ir5() { m_pic->ir5_w(m_vpac_int || m_sio_rxrdy || m_sio_txrdy); }
void vpac_int_w(int state) { m_vpac_int = state; update_pic_ir5(); }
void sio_rxrdy_w(int state) { m_sio_rxrdy = state; update_pic_ir5(); }
void sio_txrdy_w(int state) { m_sio_txrdy = state; update_pic_ir5(); }
bool m_cpl;
bool m_blc;
bool m_mode;
bool m_modeg;
bool m_c70_50;
bool m_cru;
bool m_crb;
void cpl_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_cpl = BIT(data, 0); }
void blc_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_blc = BIT(data, 0); }
void mode_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_mode = BIT(data, 0); }
void modeg_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_modeg = BIT(data, 0); }
void c70_50_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_c70_50 = BIT(data, 0); }
void cru_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_cru = BIT(data, 0); }
void crb_w(offs_t offset, uint16_t data, uint16_t mem_mask) { m_crb = BIT(data, 0); }
};
#endif // MAME_NOKIA_MIKROMIKKO2_H