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(uxnasm) More explicit resolve errors

This commit is contained in:
Devine Lu Linvega 2024-03-29 10:25:51 -07:00
parent 28b72a459a
commit da54634b74
1 changed files with 4 additions and 4 deletions
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8
src/uxnasm.c
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@ -97,7 +97,7 @@ findopcode(char *s)
else if(s[m] == 'k') else if(s[m] == 'k')
i |= (1 << 7); i |= (1 << 7);
else else
return 0; return error_top("Unknown opcode mode", s);
m++; m++;
} }
return i; return i;
@ -177,7 +177,7 @@ makemacro(char *name, FILE *f, Context *ctx)
if(c == 0xa) ctx->line += 1; if(c == 0xa) ctx->line += 1;
while(f && fread(&c, 1, 1, f) && c != '}') { while(f && fread(&c, 1, 1, f) && c != '}') {
if(c == 0xa) ctx->line += 1; if(c == 0xa) ctx->line += 1;
if(c == '%') return 0; if(c == '%') return error_top("Nested macro", name);
if(c == '(') if(c == '(')
walkcomment(f, ctx); walkcomment(f, ctx);
else else
@ -331,7 +331,7 @@ resolve(void)
for(i = 0; i < refs_len; i++) { for(i = 0; i < refs_len; i++) {
Item *r = &refs[i], *l = findlabel(r->name); Item *r = &refs[i], *l = findlabel(r->name);
Uint8 *rom = data + r->addr; Uint8 *rom = data + r->addr;
if(!l) return 0; if(!l) return error_top("Unknown label", r->name);
switch(r->rune) { switch(r->rune) {
case '_': case '_':
case ',': case ',':
@ -401,7 +401,7 @@ main(int argc, char *argv[])
ptr = PAGE; ptr = PAGE;
copy("on-reset", scope, 0); copy("on-reset", scope, 0);
if(argc == 1) return error_top("usage", "uxnasm [-v] input.tal output.rom"); if(argc == 1) return error_top("usage", "uxnasm [-v] input.tal output.rom");
if(scmp(argv[1], "-v", 2)) return !fprintf(stdout, "Uxnasm - Uxntal Assembler, 28 Mar 2024.\n"); if(scmp(argv[1], "-v", 2)) return !fprintf(stdout, "Uxnasm - Uxntal Assembler, 29 Mar 2024.\n");
if(!assemble(argv[1]) || !length) return !error_top("Assembly", "Failed to assemble rom."); if(!assemble(argv[1]) || !length) return !error_top("Assembly", "Failed to assemble rom.");
if(!resolve()) return !error_top("Assembly", "Failed to resolve symbols."); if(!resolve()) return !error_top("Assembly", "Failed to resolve symbols.");
if(!build(argv[2])) return !error_top("Assembly", "Failed to build rom."); if(!build(argv[2])) return !error_top("Assembly", "Failed to build rom.");