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Implemented CALL(_STACK) and RET on the assembler

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This commit is contained in:
Aryadev Chavali
2023-11-02 23:29:23 +00:00
parent bd39c2b283
commit 6c4469958e
3 changed files with 38 additions and 1 deletions
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23
asm/lexer.c
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@@ -92,6 +92,12 @@ const char *token_type_as_cstr(token_type_t type)
return "JUMP_STACK";
case TOKEN_JUMP_IF:
return "JUMP_IF";
case TOKEN_CALL:
return "CALL";
case TOKEN_CALL_STACK:
return "CALL_STACK";
case TOKEN_RET:
return "RET";
case TOKEN_SYMBOL:
return "SYMBOL";
}
@@ -139,7 +145,7 @@ bool is_valid_hex_char(char c)
token_t tokenise_symbol(buffer_t *buffer, size_t *column)
{
static_assert(NUMBER_OF_OPCODES == 95, "tokenise_buffer: Out of date!");
static_assert(NUMBER_OF_OPCODES == 98, "tokenise_buffer: Out of date!");
size_t sym_size = 0;
for (; sym_size < space_left(buffer) &&
@@ -310,6 +316,21 @@ token_t tokenise_symbol(buffer_t *buffer, size_t *column)
offset = 8;
type = TOKEN_JUMP_IF;
}
else if (sym_size == 10 && strncmp(opcode, "CALL.STACK", 10) == 0)
{
offset = 10;
type = TOKEN_CALL_STACK;
}
else if (sym_size == 4 && strncmp(opcode, "CALL", 4) == 0)
{
offset = 4;
type = TOKEN_CALL;
}
else if (sym_size == 3 && strncmp(opcode, "RET", 3) == 0)
{
offset = 3;
type = TOKEN_RET;
}
else
is_opcode = false;