IBM.H is gone, video stuff re-organized. Keyboard stuff reorganized. Machines that have their own video, mouse and/or keyboard now have all this in their machine file. Fixed and other cleanups here and there.
27 lines
464 B
C
27 lines
464 B
C
/* Copyright holders: Sarah Walker
|
|
see COPYING for more details
|
|
*/
|
|
/*IBM 5150 cassette nonsense
|
|
Calls F979 twice
|
|
Expects CX to be nonzero, BX >$410 and <$540
|
|
CX is loops between bit 4 of $62 changing
|
|
BX is timer difference between calls
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include "pit.h"
|
|
#include "ppi.h"
|
|
|
|
|
|
PPI ppi;
|
|
int ppispeakon;
|
|
|
|
|
|
void ppi_reset(void)
|
|
{
|
|
ppi.pa=0x0;
|
|
ppi.pb=0x40;
|
|
}
|