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#include "x16.h"
#include "mem.h"
TEXT apm(SB), $0
MOVL id+4(SP), BX
CALL rmode16(SB)
PUSHR(rBX)
LWI(0x5300, rAX)
BIOSCALL(0x15)
POPR(rBX)
JC noapm
PUSHR(rBX)
LWI(0x5304, rAX)
BIOSCALL(0x15)
POPR(rBX)
CLC
/* connect */
LWI(0x5303, rAX)
BIOSCALL(0x15)
JC noapm
OPSIZE; PUSHR(rSI)
OPSIZE; PUSHR(rBX)
PUSHR(rDI)
PUSHR(rDX)
PUSHR(rCX)
PUSHR(rAX)
LWI(CONFADDR, rDI)
/*
* write APM data. first four bytes are APM\0.
*/
LWI(0x5041, rAX)
STOSW
LWI(0x004d, rAX)
STOSW
LWI(8, rCX)
apmmove:
POPR(rAX)
STOSW
LOOP apmmove
noapm:
CALL16(pmode32(SB))
RET
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