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IMLAC: Fix data switches.

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This commit is contained in:
Lars Brinkhoff 2020-06-16 14:21:35 +02:00
parent 4cac65af40
commit a91679d6f5
2 changed files with 21 additions and 10 deletions
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23
imlac/imlac_cpu.c
View file

@ -25,6 +25,10 @@
*/
#include "imlac_defs.h"
#ifdef HAVE_LIBSDL
#include "display/display.h"
#endif
/* Debug */
#define DBG_CPU 0001
@ -45,7 +49,6 @@ static uint16 DS;
static uint16 IR;
static uint16 MA;
static uint16 MB;
static uint16 SWITCHES;
static int ion_delay = 0;
/* IRQ state. */
@ -77,7 +80,6 @@ REG cpu_reg[] = {
{ ORDATAD (IR, IR, 16, "Instruction") },
{ ORDATAD (MA, MA, 13, "Memory Address") },
{ ORDATAD (MB, MB, 16, "Memory Buffer") },
{ ORDATAD (SWITCHES, SWITCHES, 16, "Toggle switches") },
{ NULL }
};
@ -574,3 +576,20 @@ rom_show_type (FILE *st, UNIT *up, int32 v, CONST void *dp)
}
return SCPE_OK;
}
#ifdef HAVE_LIBSDL
/* Called from display library to get data switches. */
void
cpu_get_switches (unsigned long *p1, unsigned long *p2)
{
*p1 = DS;
*p2 = 0;
}
/* Called from display library to set data switches. */
void
cpu_set_switches (unsigned long p1, unsigned long p2)
{
DS = p1 & 0177777;
}
#endif /* HAVE_LIBSDL */

8
imlac/imlac_crt.c
View file

@ -126,11 +126,3 @@ void
crt_hvc (void)
{
}
void cpu_get_switches (unsigned long *p1, unsigned long *p2)
{
}
void cpu_set_switches (unsigned long p1, unsigned long p2)
{
}