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(uxnasm) Created build step

This commit is contained in:
Devine Lu Linvega 2024-03-28 09:48:07 -07:00
parent ea8f512fcd
commit a1a6271622
1 changed files with 28 additions and 23 deletions
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51
src/uxnasm.c
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@ -348,6 +348,7 @@ static int
resolve(void) resolve(void)
{ {
int i, rel; int i, rel;
if(!length) return error_top("Assembly", "Output rom is empty.");
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;
@ -377,23 +378,7 @@ resolve(void)
} }
l->refs++; l->refs++;
} }
return !length ? error_top("Assembly", "Output rom is empty.") : 1; return 1;
}
static void
review(char *filename)
{
int i;
for(i = 0; i < label_len; i++)
if(labels[i].name[0] - 'A' > 25 && !labels[i].refs)
fprintf(stdout, "-- Unused label: %s\n", labels[i].name);
fprintf(stdout,
"Assembled %s in %d bytes(%.2f%% used), %d labels, %d macros.\n",
filename,
length - PAGE,
(length - PAGE) / 652.80,
label_len,
macro_len);
} }
static void static void
@ -416,18 +401,38 @@ writesym(char *filename)
fclose(fp); fclose(fp);
} }
static int
build(char *filename)
{
int i;
FILE *dst;
if(!(dst = fopen(filename, "wb")))
return !error_top("Invalid output file", filename);
for(i = 0; i < label_len; i++)
if(labels[i].name[0] - 'A' > 25 && !labels[i].refs)
fprintf(stdout, "-- Unused label: %s\n", labels[i].name);
fwrite(data + PAGE, length - PAGE, 1, dst);
fprintf(stdout,
"Assembled %s in %d bytes(%.2f%% used), %d labels, %d macros.\n",
filename,
length - PAGE,
(length - PAGE) / 652.80,
label_len,
macro_len);
writesym(filename);
fclose(dst);
return 1;
}
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
FILE *dst;
ptr = PAGE; ptr = PAGE;
scpy("on-reset", scope, 0x40); scpy("on-reset", scope, 0x40);
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, 28 Mar 2024.\n");
if(!assemble(argv[1]) || !resolve()) return !error_top("Assembly", "Failed to assemble rom."); if(!assemble(argv[1]) || !length) return !error_top("Assembly", "Failed to assemble rom.");
if(!(dst = fopen(argv[2], "wb"))) return !error_top("Invalid Output", argv[2]); if(!resolve()) return !error_top("Assembly", "Failed to resolve symbols.");
review(argv[2]); if(!build(argv[2])) return !error_top("Assembly", "Failed to build rom.");
fwrite(data + PAGE, length - PAGE, 1, dst);
writesym(argv[2]);
return 0; return 0;
} }