Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-24 17:30:55 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Before I get crazy, logged all irqs for MS1, nw

Browse Source
This commit is contained in:
angelosa 2015-12-14 21:02:41 +01:00
parent 93d8046498
commit 71f0dadc7a
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/mame/drivers/megasys1.cpp
View File

@ -172,15 +172,24 @@ TIMER_DEVICE_CALLBACK_MEMBER(megasys1_state::megasys1A_scanline)
{
int scanline = param;
// irq 1 is vblank (confirmed by Saint Dragon "press start" behaviour), 2 & 3 unknown
// stdragon: irq 1 is vblank ("press start" behaviour), 2 unknown, 3 is RTE. Or maybe 1 is raster irq?
// p47: irq 2 valid, others RTE
// kickoff: irq 3 valid, others RTE
// tshingen: irq 3 RTE, irq 1 reads inputs, irq 2 sets vregs values (pending further investigation ...)
// kazan: irq 3 disables irq in SW then execute a routine, irq 2 just execute this routine, irq 1 RTR
// astyanax: irq 3 RTE, irq 1 sets "ffff0210" OR 2, irq 2 vblank
// hachoo: irq 2 vblank, irq 3 & 1 sets 0xf004e buffer with the level number
// jitsupro: irq 3 RTE, irq 2 sets palette and vregs, irq 1 reads inputs
// plusalph: irq 1 & 3 RTE, irq 2 valid
// rodland: irq 1 & 3 RTE, irq 2 valid (sets palette, vregs ...)
// soldam: irq 1 & 3 RTE, irq 2 valid
if(scanline == 240) // vblank-out irq
m_maincpu->set_input_line(1, HOLD_LINE);
if(scanline == 0)
if(scanline == 16)
m_maincpu->set_input_line(2, HOLD_LINE);
// RTE in stdragon
if(scanline == 128)
m_maincpu->set_input_line(3, HOLD_LINE);
}