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itt3030: fix video and get some response from kbd (nw)

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This commit is contained in:
cracyc 2016-05-21 16:33:56 -05:00
parent ec9913a33e
commit 19258d7914
1 changed files with 13 additions and 6 deletions
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19
src/mame/drivers/itt3030.cpp
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@ -274,6 +274,7 @@ public:
DECLARE_WRITE8_MEMBER(bankh_w);
DECLARE_READ8_MEMBER(kbd_matrix_r);
DECLARE_WRITE8_MEMBER(kbd_matrix_w);
DECLARE_READ8_MEMBER(kbd_port2_r);
DECLARE_WRITE8_MEMBER(kbd_port2_w);
DECLARE_READ8_MEMBER(fdc_r);
DECLARE_WRITE8_MEMBER(fdc_w);
@ -370,7 +371,7 @@ UINT32 itt3030_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap
for(int x = 0; x < 80; x++ )
{
UINT8 code = m_vram[x + y*128];
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, code , 0, 0,0, x*8,y*16);
m_gfxdecode->gfx(0)->opaque(bitmap,cliprect, code , 0, 0,0, x*8,y*12);
}
}
@ -540,6 +541,11 @@ WRITE8_MEMBER(itt3030_state::kbd_port2_w)
m_kbdport2 = data;
}
READ8_MEMBER(itt3030_state::kbd_port2_r)
{
return m_kbdport2;
}
// Schematics + i8278 datasheet says:
// Port 1 goes to the keyboard matrix.
// bits 0-2 select bit to read back, bits 3-6 choose column to read from, bit 7 clocks the process (rising edge strobes the row, falling edge reads the data)
@ -548,7 +554,7 @@ WRITE8_MEMBER(itt3030_state::kbd_port2_w)
static ADDRESS_MAP_START( kbdmcu_io, AS_IO, 8, itt3030_state )
AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(kbd_matrix_r)
AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(kbd_matrix_w)
AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_NOP AM_WRITE(kbd_port2_w)
AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(kbd_port2_r, kbd_port2_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( itt3030 )
@ -685,7 +691,7 @@ void itt3030_state::machine_start()
void itt3030_state::machine_reset()
{
m_bank = 9;
m_bank = 0;
m_48kbank->set_bank(8);
m_kbdread = 1;
m_kbdrow = m_kbdcol = 0;
@ -725,8 +731,8 @@ static MACHINE_CONFIG_START( itt3030, itt3030_state )
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(250))
MCFG_SCREEN_UPDATE_DRIVER(itt3030_state, screen_update)
MCFG_SCREEN_SIZE(80*8, 24*16)
MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 24*16-1)
MCFG_SCREEN_SIZE(80*8, 24*12)
MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 24*12-1)
MCFG_SCREEN_PALETTE("palette")
/* devices */
@ -734,10 +740,11 @@ static MACHINE_CONFIG_START( itt3030, itt3030_state )
MCFG_DEVICE_PROGRAM_MAP(lower48_map)
MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(20)
MCFG_ADDRESS_MAP_BANK_STRIDE(0x10000)
MCFG_DEVICE_ADD("crt5027", CRT5027, XTAL_6MHz)
MCFG_TMS9927_CHAR_WIDTH(16)
MCFG_TMS9927_CHAR_WIDTH(8)
MCFG_FD1791_ADD("fdc", XTAL_20MHz / 20)
MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(itt3030_state, fdcirq_w))