1)
if (code_byte = $C3 | code_byte = $C2) & exit_addr = 0
...
The retn command can be not only with the code
$C3, but also
$C2 XX XX
2) It is possible to refer to variables declared somewhere ahead only when it is assigned a value only once
jne exit_addr_value ; forward reference
@after_jmp_on_fail:
. . .
exit_addr = 0
rept 256 addr:$100
{
if addr >= @after_jmp_on_fail-128 & addr <= @after_jmp_on_fail+127
load code_byte byte from addr
if code_byte = $C3 & exit_addr = 0
exit_addr = addr
end if
end if ; addr...
}
assert exit_addr <> 0
exit_addr_value = exit_addr ; only once 
Index
> Main > error: symbol '...' out of scope.
09 Aug 2023, 11:08