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model3.c: experimenting with interrupts (nw)

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This commit is contained in:
Ville Linde 2014-10-14 17:26:57 +00:00
parent fc4057fe85
commit c2a5a49e28
1 changed files with 19 additions and 10 deletions
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29
src/mame/drivers/model3.c
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@ -26,7 +26,7 @@
vs29815 - massive memory trashing and page faults
vs2 - works
harley - works, massive slowdown ingame
harley - works, wrong textures in many places, correct textures uploaded when the game ends
skichamp - boots after skipping the drive board errors, massive slowdowns
srally2/sraly2dx - works
von2/von254g - works
@ -42,7 +42,7 @@
dirtdvls/dirtdvla - works
swtrilgy -
swtrilga -
magtruck - works
magtruck - works, broken FPU values in matrices during 2nd part of attract mode (cpu core bug?)
eca/ecax - cabinet network error
===================================================================================
@ -5400,15 +5400,23 @@ WRITE8_MEMBER(model3_state::scsp_irq)
0x04: Video (unknown -- has callback hook in scud)
0x02: Video (VBLANK start?)
0x01: Video (unused?)
IRQ 0x08 and 0x04 directly affect the game speed in magtruck, once per scanline seems fast enough
Un-syncing the interrupts breaks the progress bar in magtruck
*/
TIMER_DEVICE_CALLBACK_MEMBER(model3_state::model3_interrupt)
{
int scanline = param;
if (scanline == 384)
{
set_irq_line(0x02, ASSERT_LINE);
}
else
set_irq_line(0x0d, ASSERT_LINE);
{
//if ((scanline & 0x1) == 0)
set_irq_line(0x0c, ASSERT_LINE);
}
}
static MACHINE_CONFIG_START( model3_10, model3_state )
@ -5834,15 +5842,16 @@ DRIVER_INIT_MEMBER(model3_state,srally2)
DRIVER_INIT_MEMBER(model3_state,swtrilgy)
{
//UINT32 *rom = (UINT32*)memregion("user1")->base();
UINT32 *rom = (UINT32*)memregion("user1")->base();
DRIVER_INIT_CALL(model3_20);
/*
rom[(0xf0e48^4)/4] = 0x60000000;
rom[(0x043dc^4)/4] = 0x48000090;
rom[(0x029a0^4)/4] = 0x60000000;
rom[(0x02a0c^4)/4] = 0x60000000;
*/
// Unemulated JTAG stuff, see srally2
rom[(0xf776c^4)/4] = 0x60000000;
rom[(0xf7770^4)/4] = 0x60000000;
rom[(0xf7774^4)/4] = 0x60000000;
rom[(0x043dc^4)/4] = 0x48000090; // skip force feedback setup
rom[(0xf6e44^4)/4] = 0x60000000;
}
DRIVER_INIT_MEMBER(model3_state,swtrilga)