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From Dirk Best:

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Astrocade update:
 - Update src/mame/includes/astrocde.h to use an XTAL value
 - Clear interrupts if they are no longer valid
 - Add the knob inputs
This commit is contained in:
Aaron Giles 2008-04-02 08:27:45 +00:00
parent a4a7ea967c
commit 125e286bda
2 changed files with 23 additions and 1 deletions
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2
src/mame/includes/astrocde.h
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@ -6,7 +6,7 @@
#include "sound/custom.h"
#define ASTROCADE_CLOCK (14318180/2)
#define ASTROCADE_CLOCK (XTAL_14_31818MHz/2)
#define AC_SOUND_PRESENT (0x01)
#define AC_LIGHTPEN_INTS (0x02)

22
src/mame/video/astrocde.c
View File

@ -439,7 +439,10 @@ static void astrocade_trigger_lightpen(running_machine *machine, UINT8 vfeedback
{
/* bit 0 controls the interrupt mode: mode 0 means assert until acknowledged */
if ((interrupt_enable & 0x01) == 0)
{
cpunum_set_input_line_and_vector(machine, 0, 0, HOLD_LINE, interrupt_vector & 0xf0);
timer_set(video_screen_get_time_until_vblank_end(machine->primary_screen), NULL, 0, interrupt_off);
}
/* mode 1 means assert for 1 instruction */
else
@ -476,7 +479,10 @@ static TIMER_CALLBACK( scanline_callback )
{
/* bit 2 controls the interrupt mode: mode 0 means assert until acknowledged */
if ((interrupt_enable & 0x04) == 0)
{
cpunum_set_input_line_and_vector(machine, 0, 0, HOLD_LINE, interrupt_vector);
timer_set(video_screen_get_time_until_vblank_end(machine->primary_screen), NULL, 0, interrupt_off);
}
/* mode 1 means assert for 1 instruction */
else
@ -556,6 +562,22 @@ READ8_HANDLER( astrocade_data_chip_register_r )
case 0x17: /* keypad column 3 */
result = readinputportbytag_safe("KEYPAD3", 0xff);
break;
case 0x1c: /* player 1 knob */
result = readinputportbytag_safe("P1_KNOB", 0xff);
break;
case 0x1d: /* player 2 knob */
result = readinputportbytag_safe("P2_KNOB", 0xff);
break;
case 0x1e: /* player 3 knob */
result = readinputportbytag_safe("P3_KNOB", 0xff);
break;
case 0x1f: /* player 4 knob */
result = readinputportbytag_safe("P4_KNOB", 0xff);
break;
}
return result;