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Implemented NMI mask register for XT machines. Fixed PC200 NMI stuff.
author TomW
date Sat Sep 27 18:39:06 2014 +0100
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1 #include "ibm.h"
2 #include "nmi.h"
3
4 int nmi_mask;
5
6 void nmi_write(uint16_t port, uint8_t val, void *p)
7 {
8 nmi_mask = val & 0x80;
9 }
10
11 void nmi_init()
12 {
13 io_sethandler(0x00a0, 0x0001, NULL, NULL, NULL, nmi_write, NULL, NULL, NULL);
14 nmi_mask = 0;
15 }