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- ;;; Test 68HC11 linker relaxation from extended addressing to direct
- ;;; addressing modes
- ;;;
- .sect .text
- .globl _start
- _start:
- start:
- lds stack
- ldd _bar
- beq F1
- beq F2
- std _bar
- jsr _bar
- F1:
- addd _toto
- bne start
- ;; All the following instructions will be relaxed and win 1 byte
- ;; for each.
- addd _toto+200
- addd stack+256-20
- adca _table+2
- adcb _table+3
- adda _table+4
- addb _table+5
- addd _table+6
- anda _table+7
- andb _table+8
- cmpa _table+9
- cmpb _table+10
- cpd _table+11
- cpx _table+12
- cpy _table+13
- eora _table+14
- eorb _table+15
- jsr _table+16
- ldaa _table+17
- ldab _table+18
- ldd _table+19
- lds _table+20
- ldx _table+21
- ldy _table+22
- oraa _table+23
- orab _table+24
- sbcb _table+25
- sbca _table+26
- staa _table+27
- stab _table+28
- std _table+29
- sts _table+30
- stx _table+31
- sty _table+32
- suba _table+33
- subb _table+34
- subd _table+35
- ;; 'bne' is assembled as far branch and must relax to
- ;; a relative 8-bit branch.
- bne _start
- ;; Likewise for next branch
- bra F1
- rts
- ;;; The following instructions will not be relaxed
- no_relax:
- addd _stack_top+60
- std _stack_top+40
- ;; 'tst' does not support direct addressing mode.
- tst _toto+1
- bne no_relax
- .skip 200
- F2:
- bra _start
- .sect .page0
- _bar:
- .long 0
- _toto:
- .long 0
- .skip 32
- stack:
- .skip 10
- _table:
- .skip 200
- _stack_top:
|
