5.8.11 TOS

Top-of-Stack Registers

Contents of the stack pointed to by the STKPTR register. To access the stack, adjust the value of STKPTR, which will position TOSH:TOSL, then read/write to TOSH:TOSL.

Note: The individual bytes in this multibyte register can be accessed with the following register names:

TOSH: Accesses the high byte TOS[15:8]
TOSL: Accesses the low byte TOS[7:0]

Name:	TOS
Address:	0x1FEE


Bit	15	14	13	12	11	10	9	8
	TOS[15:8]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	TOS[7:0]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bits 15:0 – TOS[15:0] TOS Register Value

The individual bytes in this multibyte register can be accessed with the following register names: TOSH: Accesses the high byte TOS[15:8] TOSL: Accesses the low byte TOS[7:0]