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(uxnasm) Fix valid macro names being rejected. 

Macro names that begin with the name of an opcode were being rejected
incorrectly. “STA” would not be a valid macro name since it is an
opcode, but “STACK” should be fine.
This commit is contained in:
Andrew Alderwick 2022-04-14 18:24:48 +01:00
parent d49981c4ce
commit c2ffe63cc3
1 changed files with 13 additions and 16 deletions
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29
src/uxnasm.c
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@ -99,30 +99,27 @@ findlabel(char *name)
return NULL;
}
static Uint8
findmode(char *s)
{
int i = 0;
while(s[0]) {
switch(s[0]) {
case '2': i |= (1 << 5); break; /* mode: short */
case 'r': i |= (1 << 6); break; /* mode: return */
case 'k': i |= (1 << 7); break; /* mode: keep */
}
s++;
}
return i;
}
static Uint8
findopcode(char *s)
{
int i;
for(i = 0; i < 0x20; i++) {
int m = 0;
if(!scmp(ops[i], s, 3))
continue;
if(!i) i |= (1 << 7); /* force keep for LIT */
return i |= findmode(s + 3);
while(s[3 + m]) {
if(s[3 + m] == '2')
i |= (1 << 5); /* mode: short */
else if(s[3 + m] == 'r')
i |= (1 << 6); /* mode: return */
else if(s[3 + m] == 'k')
i |= (1 << 7); /* mode: keep */
else
return 0; /* failed to match */
m++;
}
return i;
}
return 0;
}