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Added screen enable to MZ-2500

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This commit is contained in:
Angelo Salese 2012-12-18 22:58:04 +00:00
parent 7f206c0fb9
commit 18fbeeeec8
1 changed files with 10 additions and 2 deletions
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12
src/mess/drivers/mz2500.c
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@ -24,6 +24,7 @@
- Mugen no Shinzou II - The Prince of Darkness: dies on IPLPRO loading, presumably a wd17xx core bug; - Mugen no Shinzou II - The Prince of Darkness: dies on IPLPRO loading, presumably a wd17xx core bug;
- Multiplan: random hangs/crashes after you set the RTC, sometimes it loads properly; - Multiplan: random hangs/crashes after you set the RTC, sometimes it loads properly;
- Murder Club: has lots of CG artifacts, FDC issue? - Murder Club: has lots of CG artifacts, FDC issue?
- Orbit 3: floppy issue makes it to throw a game over as soon as you start a game;
- Penguin Kun Wars: has a bug with window effects ("Push space or trigger" msg on the bottom"), needs investigation; - Penguin Kun Wars: has a bug with window effects ("Push space or trigger" msg on the bottom"), needs investigation;
- Sound Gal Music Editor: wants a "master disk", that apparently isn't available; - Sound Gal Music Editor: wants a "master disk", that apparently isn't available;
- Yukar K2 (normal version): moans about something, DFJustin: "please put the system disk back to normal", disk write-protected? - Yukar K2 (normal version): moans about something, DFJustin: "please put the system disk back to normal", disk write-protected?
@ -111,6 +112,7 @@ public:
UINT8 m_prev_col_val; UINT8 m_prev_col_val;
UINT8 m_pio_latchb; UINT8 m_pio_latchb;
UINT8 m_ym_porta; UINT8 m_ym_porta;
UINT8 m_screen_enable;
DECLARE_READ8_MEMBER(bank0_r); DECLARE_READ8_MEMBER(bank0_r);
DECLARE_READ8_MEMBER(bank1_r); DECLARE_READ8_MEMBER(bank1_r);
DECLARE_READ8_MEMBER(bank2_r); DECLARE_READ8_MEMBER(bank2_r);
@ -652,6 +654,9 @@ UINT32 mz2500_state::screen_update_mz2500(screen_device &screen, bitmap_ind16 &b
{ {
bitmap.fill(machine().pens[0], cliprect); //TODO: correct? bitmap.fill(machine().pens[0], cliprect); //TODO: correct?
if(m_screen_enable)
return 0;
draw_cg_screen(machine(),bitmap,cliprect,0); draw_cg_screen(machine(),bitmap,cliprect,0);
draw_tv_screen(machine(),bitmap,cliprect); draw_tv_screen(machine(),bitmap,cliprect);
draw_cg_screen(machine(),bitmap,cliprect,1); draw_cg_screen(machine(),bitmap,cliprect,1);
@ -1884,6 +1889,7 @@ WRITE8_MEMBER(mz2500_state::mz2500_portc_w)
---- x--- 0->1 transition = IPL reset ---- x--- 0->1 transition = IPL reset
---- -x-- beeper state ---- -x-- beeper state
---- --x- 0->1 transition = Work RAM reset ---- --x- 0->1 transition = Work RAM reset
---- ---x screen mask
*/ */
/* work RAM reset */ /* work RAM reset */
@ -1904,8 +1910,10 @@ WRITE8_MEMBER(mz2500_state::mz2500_portc_w)
beep_set_state(machine().device(BEEPER_TAG),data & 0x04); beep_set_state(machine().device(BEEPER_TAG),data & 0x04);
if(data & ~0x0e) m_screen_enable = data & 1;
logerror("PPI PORTC W %02x\n",data & ~0x0e);
if(data & ~0x0f)
logerror("PPI PORTC W %02x\n",data & ~0x0f);
} }
static I8255_INTERFACE( ppi8255_intf ) static I8255_INTERFACE( ppi8255_intf )