Starting development on assembly language

1 files changed, 46 insertions, 0 deletions

diff --git a/asm/main.c b/asm/main.c
new file mode 100644
index 0000000..3f6209b
--- /dev/null
+++ b/asm/main.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2023 Aryadev Chavali
+
+ * You may distribute and modify this code under the terms of the
+ * GPLv2 license.  You should have received a copy of the GPLv2
+ * license with this file.  If not, please write to:
+ * aryadev@aryadevchavali.com.
+
+ * Created: 2023-10-23
+ * Author: Aryadev Chavali
+ * Description: Assembly source code compiler, targeting OVM
+ */
+
+#include <stdio.h>
+
+#include <lib/darr.h>
+
+typedef enum TokenType
+{
+  TOKEN_WHITESPACE,
+  TOKEN_BYTE_LITERAL,
+  TOKEN_HWORD_LITERAL,
+  TOKEN_WORD_LITERAL,
+  TOKEN_SYMBOL,
+} token_type_t;
+
+typedef struct
+{
+  token_type_t type;
+  char *str;
+  size_t str_size;
+} token_t;
+
+// We can use darr_read_file as an in memory buffer of source code
+// Then just create new darr's for tokens, then instructions.  Then
+// emit bytecode in the end.
+
+int main(void)
+{
+  FILE *fp    = fopen("main.asm", "rb");
+  darr_t darr = darr_read_file(fp);
+  fclose(fp);
+  darr.data[darr.available - 1] = '\0';
+  printf("%lu/%lu\n%s\n", darr.used, darr.available, darr.data);
+  free(darr.data);
+  return 0;
+}