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authorAryadev Chavali <aryadev@aryadevchavali.com>2023-11-01 22:09:39 +0000
committerAryadev Chavali <aryadev@aryadevchavali.com>2023-11-01 22:09:39 +0000
commit90e04542a284f642b0a3a56ed568b5d5828bc376 (patch)
tree49560373f8b33f772e48940cdabbc86cc01ae7b2 /asm
parent26dea6ce72ce6fe4011e5a7dbfad9de9330c75f7 (diff)
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Implemented stack versions of MGET and MSET in assembler
Diffstat (limited to 'asm')
-rw-r--r--asm/lexer.c16
-rw-r--r--asm/lexer.h2
-rw-r--r--asm/parser.c6
3 files changed, 23 insertions, 1 deletions
diff --git a/asm/lexer.c b/asm/lexer.c
index 4e92502..dfc4976 100644
--- a/asm/lexer.c
+++ b/asm/lexer.c
@@ -46,8 +46,12 @@ const char *token_type_as_cstr(token_type_t type)
return "MALLOC";
case TOKEN_MSET:
return "MSET";
+ case TOKEN_MSET_STACK:
+ return "MSET_STACK";
case TOKEN_MGET:
return "MGET";
+ case TOKEN_MGET_STACK:
+ return "MGET_STACK";
case TOKEN_MDELETE:
return "MDELETE";
case TOKEN_MSIZE:
@@ -127,7 +131,7 @@ bool is_valid_hex_char(char c)
token_t tokenise_symbol(buffer_t *buffer, size_t *column)
{
- static_assert(NUMBER_OF_OPCODES == 84, "tokenise_buffer: Out of date!");
+ static_assert(NUMBER_OF_OPCODES == 90, "tokenise_buffer: Out of date!");
size_t sym_size = 0;
for (; sym_size < space_left(buffer) &&
@@ -183,11 +187,21 @@ token_t tokenise_symbol(buffer_t *buffer, size_t *column)
offset = 6;
type = TOKEN_MALLOC;
}
+ else if (sym_size >= 10 && strncmp(opcode, "MSET.STACK", 10) == 0)
+ {
+ offset = 10;
+ type = TOKEN_MSET_STACK;
+ }
else if (sym_size >= 4 && strncmp(opcode, "MSET", 4) == 0)
{
offset = 4;
type = TOKEN_MSET;
}
+ else if (sym_size >= 10 && strncmp(opcode, "MGET.STACK", 10) == 0)
+ {
+ offset = 10;
+ type = TOKEN_MGET_STACK;
+ }
else if (sym_size >= 4 && strncmp(opcode, "MGET", 4) == 0)
{
offset = 4;
diff --git a/asm/lexer.h b/asm/lexer.h
index 000e33a..e8897b6 100644
--- a/asm/lexer.h
+++ b/asm/lexer.h
@@ -28,7 +28,9 @@ typedef enum TokenType
TOKEN_DUP,
TOKEN_MALLOC,
TOKEN_MSET,
+ TOKEN_MSET_STACK,
TOKEN_MGET,
+ TOKEN_MGET_STACK,
TOKEN_MDELETE,
TOKEN_MSIZE,
TOKEN_NOT,
diff --git a/asm/parser.c b/asm/parser.c
index 73cd7be..4b5eee1 100644
--- a/asm/parser.c
+++ b/asm/parser.c
@@ -230,6 +230,12 @@ perr_t parse_next_inst(token_stream_t *stream, inst_t *ret)
case TOKEN_MGET:
ret->opcode = OP_MGET_BYTE;
return parse_utype_inst_with_operand(stream, ret);
+ case TOKEN_MSET_STACK:
+ ret->opcode = OP_MSET_STACK_BYTE;
+ return parse_utype_inst(stream, ret);
+ case TOKEN_MGET_STACK:
+ ret->opcode = OP_MGET_STACK_BYTE;
+ return parse_utype_inst(stream, ret);
case TOKEN_MDELETE:
ret->opcode = OP_MDELETE;
break;