AUSAM/sys/conf/other/l45.s

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/ low core

	.globl	dump, start, pirqi
	.globl	code00, code01, code02, code03, code04, code05
	.globl	code06, call
br4 = 200
br5 = 240
br6 = 300
br7 = 340

. = 0^.
	br	1f		/ Replaced later with trap
	br7+15			/ Spurious interrupt through 0

/ trap vectors
	code05; br7+7		/ bus error
	code02; br7+2		/ illegal instruction
	code02; br7+3		/ bpt/trace trap
	code01; br7+5		/ iot trap
	code03; br7+11		/ power fail
	code04; br7+6		/ emt
	code02; br7+4		/ system entry

. = 40^.
1:	jmp	start
	jmp	dump
. = 52^.
	0		/ rotating pattern for display by swr = 52
. = 54^.
	0;0		/ clock ticks since system start !!
			/ see clock service routine below
			/ see display in m45.s


. = 60^.
	klin; br4+0.		/ KL #0 input
	klou; br4+0.		/ KL #0 output

. = 100^.
	kwlp; br6+1		/ Clock ** NOTE +1 ==> c-bit set  ** SEE kwlp
	kwlp; br6		/ Clock

. = 114^.
	code03; br7+12		/ 11/45 parity

. = 170^.
	.globl	_idle,diswflag
_idle:
	inc	diswflag
	1	/* wait *
	rts	pc

. = 220^.
	rkio; br5+0.

. = 224^.
	tmio; br5+0.

. = 240^.
	pirqi;  br7		/ programmed interrupt request
	code00; br7+0		/ floating point interrupt
	code06; br7+10		/ segmentation violation

/ floating vectors
. = 300^.
	klin; br4+1.
	klou; br4+1.
	klin; br4+2.
	klou; br4+2.
	klin; br4+3.
	klou; br4+3.
	klin; br4+4.
	klou; br4+4.
. = 340^.
	dhin; br5+0.
	dhou; br5+0.

//////////////////////////////////////////////////////
/		interface code to C
//////////////////////////////////////////////////////

.globl	call

.globl	_klrint
klin:	jsr	r0,call; _klrint
.globl	_klxint
klou:	jsr	r0,call; _klxint

.globl	_clock
kwlp:
	adc	*$56		/  low word count of clock ticks
	adc	*$54		/ high word count of clock ticks
	jsr	r0,call; _clock

.globl	_rkintr
rkio:	jsr	r0,call; _rkintr

.globl _tmintr
tmio:	jsr	r0,call; _tmintr

.globl	_dhrint
dhin:	jsr	r0,call; _dhrint
.globl	_dhxint
dhou:	jsr	r0,call; _dhxint