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prof180x: Add LS259 device; basic corrections to memory maps (nw)

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This commit is contained in:
AJR 2019-10-01 00:06:46 -04:00
parent 2363861414
commit ee3b871974
2 changed files with 57 additions and 59 deletions
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106
src/mame/drivers/prof180x.cpp
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@ -27,6 +27,7 @@
#include "cpu/z180/z180.h" #include "cpu/z180/z180.h"
#include "imagedev/floppy.h" #include "imagedev/floppy.h"
#include "machine/74259.h"
#include "machine/ram.h" #include "machine/ram.h"
#include "machine/upd765.h" #include "machine/upd765.h"
#include "screen.h" #include "screen.h"
@ -81,62 +82,44 @@ WRITE8_MEMBER( prof180x_state::write )
} }
} }
void prof180x_state::ls259_w(int flag, int value) WRITE_LINE_MEMBER(prof180x_state::c0_flag_w)
{ {
switch (flag) // C0 (DATA)
{ m_c0 = state;
case 0: // C0
m_c0 = value;
break;
case 1: // C1
m_c1 = value;
break;
case 2: // C2
m_c2 = value;
break;
case 3: // MINI
break;
case 4: // MM0
m_mm0 = value;
break;
case 5: // RTC
break;
case 6: // PEPS
break;
case 7: // MM1
m_mm1 = value;
break;
}
} }
WRITE8_MEMBER( prof180x_state::flr_w ) WRITE_LINE_MEMBER(prof180x_state::c1_flag_w)
{ {
/* // C1 (M0)
m_c1 = state;
}
bit description WRITE_LINE_MEMBER(prof180x_state::c2_flag_w)
{
// C2 (M1)
m_c2 = state;
}
0 VAL WRITE_LINE_MEMBER(prof180x_state::mini_flag_w)
1 FLG0 {
2 FLG1 }
3 FLG2
4
5
6
7
*/ WRITE_LINE_MEMBER(prof180x_state::mm0_flag_w)
{
m_mm0 = state;
}
int val = BIT(data, 0); WRITE_LINE_MEMBER(prof180x_state::rtc_ce_w)
int flg = (data >> 1) & 0x07; {
}
ls259_w(flg, val); WRITE_LINE_MEMBER(prof180x_state::peps_flag_w)
{
}
WRITE_LINE_MEMBER(prof180x_state::mm1_flag_w)
{
m_mm1 = state;
} }
READ8_MEMBER( prof180x_state::status0_r ) READ8_MEMBER( prof180x_state::status0_r )
@ -188,16 +171,19 @@ READ8_MEMBER( prof180x_state::status_r )
void prof180x_state::prof180x_mem(address_map &map) void prof180x_state::prof180x_mem(address_map &map)
{ {
map(0x0000, 0xffff).rw(FUNC(prof180x_state::read), FUNC(prof180x_state::write)); map(0x00000, 0x0ffff).rom().region(HD64180_TAG, 0);
map(0x4f000, 0x4ffff).ram();
//map(0x0000, 0xffff).rw(FUNC(prof180x_state::read), FUNC(prof180x_state::write));
} }
void prof180x_state::prof180x_io(address_map &map) void prof180x_state::prof180x_io(address_map &map)
{ {
map(0x08, 0x08).mirror(0xff00).w(FUNC(prof180x_state::flr_w)); map(0x0000, 0x003f).noprw(); // Z180 internal registers
map(0x09, 0x09).select(0xff00).r(FUNC(prof180x_state::status_r)); map(0x00d8, 0x00d8).mirror(0xff00).w("syslatch", FUNC(ls259_device::write_nibble_d0));
map(0x0a, 0x0a).mirror(0xff00).rw(FDC9268_TAG, FUNC(upd765a_device::dma_r), FUNC(upd765a_device::dma_w)); map(0x00d9, 0x00d9).select(0xff00).r(FUNC(prof180x_state::status_r));
map(0x0b, 0x0b).mirror(0xff00).w("cent_data_out", FUNC(output_latch_device::bus_w)); map(0x00da, 0x00da).mirror(0xff00).rw(FDC9268_TAG, FUNC(upd765a_device::dma_r), FUNC(upd765a_device::dma_w));
map(0x0c, 0x0d).mirror(0xff00).m(FDC9268_TAG, FUNC(upd765a_device::map)); map(0x00db, 0x00db).mirror(0xff00).w("cent_data_out", FUNC(output_latch_device::bus_w));
map(0x00dc, 0x00dd).mirror(0xff00).m(FDC9268_TAG, FUNC(upd765a_device::map));
} }
/* Input ports */ /* Input ports */
@ -231,10 +217,6 @@ void prof180x_state::machine_start()
void prof180x_state::machine_reset() void prof180x_state::machine_reset()
{ {
for (int i = 0; i < 8; i++)
{
ls259_w(i, 0);
}
} }
void prof180x_state::prof180x(machine_config &config) void prof180x_state::prof180x(machine_config &config)
@ -244,6 +226,16 @@ void prof180x_state::prof180x(machine_config &config)
maincpu.set_addrmap(AS_PROGRAM, &prof180x_state::prof180x_mem); maincpu.set_addrmap(AS_PROGRAM, &prof180x_state::prof180x_mem);
maincpu.set_addrmap(AS_IO, &prof180x_state::prof180x_io); maincpu.set_addrmap(AS_IO, &prof180x_state::prof180x_io);
ls259_device &syslatch(LS259(config, "syslatch")); // Z41
syslatch.q_out_cb<0>().set(FUNC(prof180x_state::c0_flag_w));
syslatch.q_out_cb<1>().set(FUNC(prof180x_state::c1_flag_w));
syslatch.q_out_cb<2>().set(FUNC(prof180x_state::c2_flag_w));
syslatch.q_out_cb<3>().set(FUNC(prof180x_state::mini_flag_w));
syslatch.q_out_cb<4>().set(FUNC(prof180x_state::mm0_flag_w));
syslatch.q_out_cb<5>().set(FUNC(prof180x_state::rtc_ce_w));
syslatch.q_out_cb<6>().set(FUNC(prof180x_state::peps_flag_w));
syslatch.q_out_cb<7>().set(FUNC(prof180x_state::mm1_flag_w));
/* video hardware */ /* video hardware */
screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER)); screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
screen.set_screen_update(FUNC(prof180x_state::screen_update)); screen.set_screen_update(FUNC(prof180x_state::screen_update));

10
src/mame/includes/prof180x.h
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@ -34,12 +34,18 @@ private:
DECLARE_READ8_MEMBER( read ); DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write ); DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE8_MEMBER( flr_w );
DECLARE_READ8_MEMBER( status0_r ); DECLARE_READ8_MEMBER( status0_r );
DECLARE_READ8_MEMBER( status1_r ); DECLARE_READ8_MEMBER( status1_r );
DECLARE_READ8_MEMBER( status_r ); DECLARE_READ8_MEMBER( status_r );
void ls259_w(int flag, int value); DECLARE_WRITE_LINE_MEMBER(c0_flag_w);
DECLARE_WRITE_LINE_MEMBER(c1_flag_w);
DECLARE_WRITE_LINE_MEMBER(c2_flag_w);
DECLARE_WRITE_LINE_MEMBER(mini_flag_w);
DECLARE_WRITE_LINE_MEMBER(mm0_flag_w);
DECLARE_WRITE_LINE_MEMBER(rtc_ce_w);
DECLARE_WRITE_LINE_MEMBER(peps_flag_w);
DECLARE_WRITE_LINE_MEMBER(mm1_flag_w);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);