mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
956 B
57 lines
956 B
/*[
|
|
|
|
aas.c
|
|
|
|
LOCAL CHAR SccsID[]="@(#)aas.c 1.5 02/09/94";
|
|
|
|
AAS CPU functions.
|
|
------------------
|
|
|
|
]*/
|
|
|
|
|
|
#include <insignia.h>
|
|
|
|
#include <host_def.h>
|
|
#include <xt.h>
|
|
#include <c_main.h>
|
|
#include <c_addr.h>
|
|
#include <c_bsic.h>
|
|
#include <c_prot.h>
|
|
#include <c_seg.h>
|
|
#include <c_stack.h>
|
|
#include <c_xcptn.h>
|
|
#include <c_reg.h>
|
|
#include <aas.h>
|
|
|
|
|
|
/*
|
|
=====================================================================
|
|
EXTERNAL ROUTINES STARTS HERE.
|
|
=====================================================================
|
|
*/
|
|
|
|
|
|
GLOBAL VOID
|
|
AAS()
|
|
{
|
|
if ( (GET_AL() & 0xf) > 9 || GET_AF() )
|
|
{
|
|
SET_AX(GET_AX() - 6);
|
|
SET_AH(GET_AH() - 1);
|
|
SET_CF(1); SET_AF(1);
|
|
}
|
|
else
|
|
{
|
|
SET_CF(0); SET_AF(0);
|
|
}
|
|
SET_AL(GET_AL() & 0xf);
|
|
|
|
/* Set undefined flag(s) */
|
|
#ifdef SET_UNDEFINED_FLAG
|
|
SET_OF(UNDEFINED_FLAG);
|
|
SET_SF(UNDEFINED_FLAG);
|
|
SET_ZF(UNDEFINED_FLAG);
|
|
SET_PF(UNDEFINED_FLAG);
|
|
#endif
|
|
}
|