jake/SplitBit-Emulator
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Interrupt system implemented, some new programs.

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This commit is contained in:
Anachronaut
2026-08-15 00:44:13 -04:00
parent 638b68b25c
commit 6d1966d500
79 changed files with 2778 additions and 88 deletions
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Source/Assembler/Assm-util.c
+53 -2
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@@ -32,6 +32,19 @@ int checkIfKeyword(intermediateElement *currentElement) {
} else if (strcmp(currentElement->token, "#Data") == 0) {
// Same as for #Program, but mark for inclusion in the Data Segment.
return KEYWORD_DATA;
} else if (strcmp(currentElement->token, "#Align") == 0) {
// Puts down as many zero bytes as it takes to reach the next multiple of
// the number that follows. The file that needs the boundary is then the
// file that asks for it, rather than relying on whatever came before.
return KEYWORD_ALIGN;
} else if (strcmp(currentElement->token, "#Reserve") == 0) {
// Puts down the number of zero bytes that follows, so that a label can
// stand for a region rather than just its first byte.
return KEYWORD_RESERVE;
} else if (strcmp(currentElement->token, "#Vectors") == 0) {
// Names which handler belongs to which vector. Nothing here is assembled
// into either segment; it is worked out and written into the vector table.
return KEYWORD_VECTORS;
} else {
// It's a malformed keyword.
fprintf(stderr, RED "Error: Invalid Keyword \"%s\" in file \"%s\" at line number %d.\n" RESET, currentElement->token, currentElement->fileName, currentElement->lineNumber);
@@ -159,6 +172,44 @@ int checkIfLiteralValue(intermediateElement *currentElement) {
return 1;
}
uint16_t readCount(intermediateElement *currentElement, const char *what) {
const char *token = currentElement->token;
int base;
const char *baseName;
if (token[0] != '0' || (token[1] != 'x' && token[1] != 'd')) {
fprintf(stderr, RED "Error: %s needs a number, prefaced with 0x or 0d. Found \"%s\".\n" RESET, what, token);
printf(" File: %s at line %d.\n", currentElement->fileName, currentElement->lineNumber);
exit(1);
}
if (token[1] == 'x') {
base = 16;
baseName = "hexadecimal";
} else {
base = 10;
baseName = "decimal";
}
const char *digits = token + 2;
if (*digits == '\0') {
fprintf(stderr, RED "Error: %s was given \"%s\", which has no digits after its prefix.\n" RESET, what, token);
printf(" File: %s at line %d.\n", currentElement->fileName, currentElement->lineNumber);
exit(1);
}
for (const char *c = digits; *c; c++) {
if (!(base == 16 ? isxdigit((unsigned char)*c) : isdigit((unsigned char)*c))) {
fprintf(stderr, RED "Error: \"%c\" is not a %s digit, in \"%s\".\n" RESET, *c, baseName, token);
printf(" File: %s at line %d.\n", currentElement->fileName, currentElement->lineNumber);
exit(1);
}
}
long value = strtol(digits, NULL, base);
if (value < 1 || value > 0xFFFF) {
fprintf(stderr, RED "Error: %s was given \"%s\". It has to be at least 1 and no more than 0xFFFF.\n" RESET, what, token);
printf(" File: %s at line %d.\n", currentElement->fileName, currentElement->lineNumber);
exit(1);
}
return (uint16_t)value;
}
int checkIfLabel(intermediateElement *currentElement) {
char *token = currentElement->token;
int length = strlen(token);
@@ -207,7 +258,7 @@ int readToken(intermediateElement *currentElement, FILE *file, int *lineNumber)
// Step 3: Handle string literals
if (c == '"') {
while ((c = fgetc(file)) != EOF && c != '"') {
if (i < sizeof(buffer) - 1) {
if (i < (int)(sizeof(buffer) - 1)) {
buffer[i++] = c;
} else {
fprintf(stderr, "Error: String literal too long.\n");
@@ -228,7 +279,7 @@ int readToken(intermediateElement *currentElement, FILE *file, int *lineNumber)
// Step 4: Handle non-string tokens
ungetc(c, file); // Put the first character back
while ((c = fgetc(file)) != EOF && !isspace(c) && c != ';') {
if (i < sizeof(buffer) - 1) {
if (i < (int)(sizeof(buffer) - 1)) {
buffer[i++] = c;
} else {
fprintf(stderr, "Error: Token too long.\n");