Branch to SubRoutine

NAME
	BSR -- Branch to subroutine

SYNOPSIS
	BSR	<label>

	Size = (Byte, Word)
	Size = (Byte, Word, Long)	(68020+)

FUNCTION
	Pushes the long word address which follows the BSR instruction to
	stack.
	Program	execution continues at location (PC) + offset.
	Offset is the relative gap between PC value and label.
	This gap is calculated by complement to two and is coded on 8 bits
	or on 16 bits.

FORMAT
	-----------------------------------------------------------------
	|15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
	|---|---|---|---|---|---|---|---|-------------------------------|
	| 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 |         8 BITS OFFSET         |
	|---------------------------------------------------------------|
	|            16 BITS OFFSET, IF 8 BITS OFFSET = $00             |
	|---------------------------------------------------------------|
	|            32 BITS OFFSET, IF 8 BITS OFFSET = $FF             |
	-----------------------------------------------------------------

RESULT
	None.

SEE ALSO
	JSR BRA
	RTS RTD RTR