WOT THE STACK WILL LOOK LIKE AFTER ROOTING ARROUND FOR AST'S
=========================================================================

	stack	.	rel to r5	.	rel to sp
-------------------------------------------------------------------------
event flag mask .	+16(R5)		.	+32(SP)	--+
PSW		.	+14(R5)		.	+30(SP)	  |
PC		.	+12(R5)		.	+26(SP)	  |
DSW		.	+10(R5)		.	+24(SP)	  |
EXIT STS. BLK.	.	 +6(R5)		.	+22(SP)	  |
R1		.	 +4(R5)		.	+20(SP)	  |
R0		.	 +2(R5)		.	+16(SP)	  | ENVIRONMENT
R5		.	   (R5)		.	+14(SP)	  |    FRAME
R4		.	 -2(R5)		.	+12(SP)	  |
R3		.	 -4(R5)		.	+10(SP)	  |
R2		.	 -6(R6)		.	 +6(SP)	  |
???		.	-10(R5)		.	 +4(SP)	  |
ARG1		.	-12(R5)		.	 +2(SP)	  |
ARG2		.	-14(R5)		.	   (SP)	--+
-------------------------------------------------------------------------
loc par 1						--+
loc par 2						  |
loc par 3						  | LOCAL
   .							  | VARIABLES
   .							  |
   .							--+