| traps.s -- define trap linkages for C routines
| -------    -----------------------------------
| Version 8 -- 1987-06-08 -- D.N. Lynx Crowe

| Caution:  these are serially re-useable, but NOT reentrant, so
| don't use them in interrupt processing code.

| An exception is made for ROMP in trap15 for breakpoints so that the
| debug code can be debugged.

		.text

		.xdef	trap1
		.xdef	trap13,trap14
		.xdef	xtrap15

		.xdef	tr1sav,tr13sav,tr14sav
		.xdef	tr1rmp,tr13rmp,tr14rmp

| trap1 -- provide access to BDOS functions
| -----    --------------------------------
trap1:		move.l	(a7)+,tr1sav		| Save return address
		trap	#1			| Do the trap
		move.l	tr1sav,-(a7)		| Restore return address
		rts				| Return to caller

| trap13 -- provide access to BIOS functions
| ------    --------------------------------
trap13:		move.l	(a7)+,tr13sav		| Save return address
		trap	#13			| Do the trap
		move.l	tr13sav,-(a7)		| Restore return address
		rts				| Return to caller

| trap14 -- provide access to extended BIOS functions
| ------    -----------------------------------------
trap14:		move.l	(a7)+,tr14sav		| Save return address
		trap	#14			| Do the trap
		move.l	tr14sav,-(a7)		| Restore return address
		rts				| Return to caller

| xtrap15 -- Setup initial register trap for ROMP
| -------    ------------------------------------
xtrap15:	trap	#15			| TRAP into ROMP
		rts				| Return  (usually won't happen)

		.page

| RAM storage areas
| -----------------
		.bss
		.even

tr1sav:		.ds.l	1		| Return address for trap1
tr13sav:	.ds.l	1		| Return address for trap13
tr14sav:	.ds.l	1		| Return address for trap14

tr1rmp:		.ds.l	1		| Save area for tr1sav for ROMP
tr13rmp:	.ds.l	1		| Save area for tr13sav for ROMP
tr14rmp:	.ds.l	1		| Save area for tr14sav for ROMP

		.end