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julius |
;;
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;; This file verifies the 68HC12 indexed addressing modes
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;; with a 5, 9 and 16-bit offset.
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;;
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.sect .text
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.globl _main
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_main:
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nop
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;;; Global check (1st)
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ldab L1-_main,x ; Offset/const of these 2 insns must be
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ldaa #L1-_main ; identical (likewise for 2nd global check)
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;;; Test gas relax with difference of symbols (same section)
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ldaa L2-L1,x ; -> ldaa 2,x (5-bit offset), text seg
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adda L1-L2,y ; -> adda -2,y (5-bit offset), text seg
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orab L7-L6,sp ; -> orab 8,sp (5-bit offset), text seg
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anda L8-L7,sp ; -> anda 15,sp (5-bit offset), text seg
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eora L7-L8,sp ; -> eora -15,sp (5-bit offset), text seg
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eorb L7-L9,sp ; -> eorb -16,sp (5-bit offset), text seg
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andb L9-L7,sp ; -> andb 16,sp (9-bit offset), text seg
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staa L7-L10,x ; -> staa -17,x (9-bit offset), text seg
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stab L11-L10,y ; -> stab 128,y (9-bit offset), text seg
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stab L10-L11,y ; -> stab -128,y (9-bit offset), text seg
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stab L11-L10+1,y ; -> stab 129,y (9-bit offset), text seg
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stab L10-L11-1,y ; -> stab -129,y (9-bit offset), text seg
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stab L11-1-L10,y ; -> stab 127,y (9-bit offset), text seg
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stab L10-1-L11,y ; -> stab -129,y (9-bit offset), text seg
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tst L12-L10,x ; -> tst 255,x (9-bit offset), text seg
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tst L10-L12,x ; -> tst -255,x (9-bit offset), text seg
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tst L12-L10+1,x ; -> tst 256,x (16-bit offset), text seg
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mina L13-L10,x ; -> mina 256,x (16-bit offset)
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mina L10-L13,x ; -> mina -256,x (9-bit offset)
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maxa L14-L10,x ; -> maxa 257,x (16-bit offset)
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maxa L10-L14,x ; -> maxa -257,x (16-bit offset)
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;;; Test gas relax with difference of symbols (different section)
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ldaa D2-D1,x ; -> ldaa 2,x (5-bit offset), data seg
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adda D1-D2,y ; -> adda -2,y (5-bit offset), data seg
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orab D7-D6,sp ; -> orab 8,sp (5-bit offset), data seg
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anda D8-D7,sp ; -> anda 15,sp (5-bit offset), data seg
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eora D7-D8,sp ; -> eora -15,sp (5-bit offset), data seg
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eorb D7-D9,sp ; -> eorb -16,sp (5-bit offset), data seg
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andb D9-D7,sp ; -> andb 16,sp (9-bit offset), data seg
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staa D7-D10,x ; -> staa -17,x (9-bit offset), data seg
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stab D11-D10,y ; -> stab 128,y (9-bit offset), data seg
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stab D10-D11,y ; -> stab -128,y (9-bit offset), data seg
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stab D11-D10+1,y ; -> stab 129,y (9-bit offset), data seg
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stab D10-D11+1,y ; -> stab -127,y (9-bit offset), data seg
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stab D11-1-D10,y ; -> stab 127,y (9-bit offset), data seg
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stab D10-1-D11,y ; -> stab -129,y (9-bit offset), data seg
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tst D12-D10,x ; -> tst 255,x (9-bit offset), data seg
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tst D10-D12,x ; -> tst -255,x (9-bit offset), data seg
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tst D12-D10+1,x ; -> tst 256,x (16-bit offset), data seg
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mina D13-D10,x ; -> mina 256,x (16-bit offset)
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mina D10-D13,x ; -> mina -256,x (9-bit offset)
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maxa D14-D10,x ; -> maxa 257,x (16-bit offset)
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maxa D10-D14,x ; -> maxa -257,x (16-bit offset)
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;;; Global check (2nd)
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ldab L1-_main,x
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ldaa #L1-_main
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;;; Indexed addressing with external symbol
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ldab _external+128,x
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bra L2
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L1:
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.dc.w 0xaabb
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L2:
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L6:
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.ds.b 8, 0xa7
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L7:
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.ds.b 15, 0xa7
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L8:
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nop
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L9:
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nop
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L10:
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.skip 128
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L11:
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.skip 127
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L12:
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nop
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L13:
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nop
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L14:
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rts
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.sect .data
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D1:
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.dc.w 0xaabb
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D2:
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D6:
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.ds.b 8, 0xa7
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D7:
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.ds.b 15, 0xa7
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D8:
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nop
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D9:
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nop
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D10:
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.skip 128
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D11:
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.skip 127
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D12:
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nop
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D13:
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nop
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D14:
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