jmp.asm

来自「开放源码的编译器open watcom 1.6.0版的源代码」· 汇编 代码 · 共 129 行

.386
.MODEL small
.data

extrn foo:near
extrn bar:far

extrn a:byte
extrn b:word
extrn d:dword
extrn e:fword
extrn f:tbyte

moose db 12
dd 500 dup ( ? )
.code

ifdef errors
  jmp byte ptr [bx]
  jmp qword ptr [bx]
  jmp tbyte ptr [bx]
endif

; stuff with registers

jmp bx
jmp ebx

jmp word ptr [bx]
jmp dword ptr [bx]
jmp fword ptr [bx]

jmp word ptr [ebx]
jmp dword ptr [ebx]
jmp fword ptr [ebx]

jmp word ptr [ebx+2]
jmp dword ptr [ebx+2]
jmp fword ptr [ebx+2]

; near labels in other segs

jmp word ptr [foo]
jmp dword ptr [foo]
jmp fword ptr [foo]

jmp word ptr [bar]
jmp dword ptr [bar]
jmp fword ptr [bar]

jmp word ptr [bar+2]
jmp dword ptr [bar+3]
jmp fword ptr [bar+4]

a_near_lbl: jmp b
jmp d
jmp e
ifdef errors
  jmp a
  jmp f
endif

ifdef errors
  jmp near ptr a
  jmp near ptr b
  jmp near ptr d
  jmp near ptr e
  jmp near ptr f
endif

jmp far ptr a
jmp far ptr b
jmp far ptr d
jmp far ptr e
jmp far ptr f

jmp a_near_lbl
jmp short a_near_lbl
jmp near ptr a_near_lbl
jmp far ptr a_near_lbl
jmp short a_near_lbl

jmp near ptr a_near_lbl
jmp far ptr a_near_lbl

jmp word ptr cs:a_near_lbl
jmp dword ptr cs:a_near_lbl
jmp fword ptr cs:a_near_lbl

jmp word ptr ds:a_near_lbl
jmp dword ptr ds:a_near_lbl
jmp fword ptr ds:a_near_lbl

ifdef errors
  jmp moose
  jmp short moose
  jmp near ptr moose
  jmp short moose
endif
jmp far ptr moose

jmp word ptr cs:moose
jmp dword ptr cs:moose
jmp fword ptr cs:moose

jmp word ptr ds:moose
jmp dword ptr ds:moose
jmp fword ptr ds:moose

jmp word ptr [foo+2]                ; wasm error
jmp dword ptr [foo+3]
jmp fword ptr [foo+4]

; far labels in other segs
jmp bar
jmp [bar]
jmp [bar+2]
jmp [bar]+2

ifdef errors
  jmp foo
  jmp [foo]
  jmp [foo+2]
  jmp [foo]+2
endif


end