test$ cat test.asm

        cpu 8086
label:
        times 256 nop
        je label

%imacro je 1.nolist
        %? short %1
%endmacro

%ifdef ERROR
        je label
%endif


test$ nasm -v
NASM version 3.01rc3 compiled on Mar  6 2026
test$ nasm test.asm -l /dev/stderr
     1
     2                                          cpu 8086
     3                                  label:
     4 00000000 90<rep 100h>                    times 256 nop
     5 00000100 7503E9FBFE                      je label
     6
     7                                  %imacro je 1.nolist
     8                                          %? short %1
     9                                  %endmacro
    10
    11                                  %ifdef ERROR
    12                                          je label
    13                                  %endif
test$ nasm test.asm -l /dev/stderr -DERROR
     1
     2                                          cpu 8086
     3                                  label:
     4 00000000 90<rep 100h>                    times 256 nop
     5 00000100 7503E9FBFE                      je label
     6
     7                                  %imacro je 1.nolist
     8                                          %? short %1
     9                                  %endmacro
    10
    11                                  %ifdef ERROR
test.asm:12: error: short jump is out of range
test.asm:12: warning: signed byte exceeds bounds [-w+number-overflow]
    12 00000105 74F9                            je label
    12          ******************       error: short jump is out of range
    12          ******************       warning: signed byte exceeds bounds [-w+number-overflow]
    13                                  %endif


test$ oldnasm -v
NASM version 2.15rc0 compiled on Dec 28 2018
test$ oldnasm test.asm -l /dev/stderr
     1
     2                                          cpu 8086
     3                                  label:
     4 00000000 90<rept>                        times 256 nop
     5 00000100 7503E9FBFE                      je label
     6
     7                                  %imacro je 1.nolist
     8                                          %? short %1
     9                                  %endmacro
    10
    11                                  %ifdef ERROR
    12                                          je label
    13                                  %endif
test$ oldnasm test.asm -l /dev/stderr -DERROR
     1
     2                                          cpu 8086
     3                                  label:
     4 00000000 90<rept>                        times 256 nop
     5 00000100 7503E9FBFE                      je label
     6
     7                                  %imacro je 1.nolist
     8                                          %? short %1
     9                                  %endmacro
    10
    11                                  %ifdef ERROR
test.asm:12: error: short jump is out of range
test.asm:12: warning: byte data exceeds bounds [-w+number-overflow]
    12 00000105 74F9                            je label
    12          ******************       error: short jump is out of range
    12          ******************       warning: byte data exceeds bounds [-w+number-overflow]
    13                                  %endif
test$