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-rw-r--r--asm/lexer.c2
-rw-r--r--asm/parser.c10
-rw-r--r--lib/inst.c20
-rw-r--r--lib/inst.h3
-rw-r--r--vm/runtime.c9
5 files changed, 9 insertions, 35 deletions
diff --git a/asm/lexer.c b/asm/lexer.c
index 01c2e5d..836dd08 100644
--- a/asm/lexer.c
+++ b/asm/lexer.c
@@ -137,7 +137,7 @@ bool is_valid_hex_char(char c)
token_t tokenise_symbol(buffer_t *buffer, size_t *column)
{
- static_assert(NUMBER_OF_OPCODES == 96, "tokenise_buffer: Out of date!");
+ static_assert(NUMBER_OF_OPCODES == 95, "tokenise_buffer: Out of date!");
size_t sym_size = 0;
for (; sym_size < space_left(buffer) &&
diff --git a/asm/parser.c b/asm/parser.c
index f9eb975..da0c93c 100644
--- a/asm/parser.c
+++ b/asm/parser.c
@@ -413,16 +413,6 @@ perr_t parse_next(token_stream_t *stream, presult_t *ret)
return PERR_EXPECTED_OPERAND;
return parse_word_label_or_relative(stream, ret);
}
- else if (token.str_size == 9 && strncmp(token.str, ".REGISTER", 9) == 0)
- {
- *ret = (presult_t){.instruction = INST_JUMP_REGISTER(0),
- .type = PRES_COMPLETE_RESULT};
- ++stream->used;
- if (stream->used >= stream->available)
- return PERR_EXPECTED_OPERAND;
- return parse_word(TOKEN_STREAM_AT(stream->data, stream->used),
- &ret->instruction.operand.as_word);
- }
else if (token.str_size == 6 && strncmp(token.str, ".STACK", 6) == 0)
*ret = (presult_t){.instruction = INST_JUMP_STACK,
.type = PRES_COMPLETE_RESULT};
diff --git a/lib/inst.c b/lib/inst.c
index 85fb23b..da951fe 100644
--- a/lib/inst.c
+++ b/lib/inst.c
@@ -193,8 +193,6 @@ const char *opcode_as_cstr(opcode_t code)
return "JUMP_ABS";
case OP_JUMP_STACK:
return "JUMP_STACK";
- case OP_JUMP_REGISTER:
- return "JUMP_REGISTER";
case OP_JUMP_IF_BYTE:
return "JUMP_IF_BYTE";
case OP_JUMP_IF_HWORD:
@@ -241,7 +239,7 @@ void data_print(data_t datum, data_type_t type, FILE *fp)
void inst_print(inst_t instruction, FILE *fp)
{
- static_assert(NUMBER_OF_OPCODES == 96, "inst_bytecode_size: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 95, "inst_bytecode_size: Out of date");
fprintf(fp, "%s(", opcode_as_cstr(instruction.opcode));
if (OPCODE_IS_TYPE(instruction.opcode, OP_PUSH))
{
@@ -250,8 +248,7 @@ void inst_print(inst_t instruction, FILE *fp)
data_print(instruction.operand, type, fp);
}
else if (OPCODE_IS_TYPE(instruction.opcode, OP_PUSH_REGISTER) ||
- OPCODE_IS_TYPE(instruction.opcode, OP_MOV) ||
- instruction.opcode == OP_JUMP_REGISTER)
+ OPCODE_IS_TYPE(instruction.opcode, OP_MOV))
{
fprintf(fp, "reg=0x");
data_print(instruction.operand, DATA_TYPE_BYTE, fp);
@@ -274,7 +271,7 @@ void inst_print(inst_t instruction, FILE *fp)
size_t inst_bytecode_size(inst_t inst)
{
- static_assert(NUMBER_OF_OPCODES == 96, "inst_bytecode_size: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 95, "inst_bytecode_size: Out of date");
size_t size = 1; // for opcode
if (OPCODE_IS_TYPE(inst.opcode, OP_PUSH))
{
@@ -291,7 +288,6 @@ size_t inst_bytecode_size(inst_t inst)
OPCODE_IS_TYPE(inst.opcode, OP_MALLOC) ||
OPCODE_IS_TYPE(inst.opcode, OP_MSET) ||
OPCODE_IS_TYPE(inst.opcode, OP_MGET) || inst.opcode == OP_JUMP_ABS ||
- inst.opcode == OP_JUMP_REGISTER ||
OPCODE_IS_TYPE(inst.opcode, OP_JUMP_IF))
size += WORD_SIZE;
return size;
@@ -299,7 +295,7 @@ size_t inst_bytecode_size(inst_t inst)
void inst_write_bytecode(inst_t inst, darr_t *darr)
{
- static_assert(NUMBER_OF_OPCODES == 96, "inst_write_bytecode: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 95, "inst_write_bytecode: Out of date");
// Append opcode
darr_append_byte(darr, inst.opcode);
// Then append 0 or more operands
@@ -311,8 +307,7 @@ void inst_write_bytecode(inst_t inst, darr_t *darr)
OPCODE_IS_TYPE(inst.opcode, OP_DUP) ||
OPCODE_IS_TYPE(inst.opcode, OP_MALLOC) ||
OPCODE_IS_TYPE(inst.opcode, OP_MSET) ||
- OPCODE_IS_TYPE(inst.opcode, OP_MGET) ||
- inst.opcode == OP_JUMP_REGISTER || inst.opcode == OP_JUMP_ABS ||
+ OPCODE_IS_TYPE(inst.opcode, OP_MGET) || inst.opcode == OP_JUMP_ABS ||
OPCODE_IS_TYPE(inst.opcode, OP_JUMP_IF))
to_append = DATA_TYPE_WORD;
@@ -375,7 +370,7 @@ data_t read_type_from_darr(darr_t *darr, data_type_t type)
inst_t inst_read_bytecode(darr_t *darr)
{
- static_assert(NUMBER_OF_OPCODES == 96, "inst_read_bytecode: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 95, "inst_read_bytecode: Out of date");
if (darr->used >= darr->available)
return (inst_t){0};
inst_t inst = {0};
@@ -387,8 +382,7 @@ inst_t inst_read_bytecode(darr_t *darr)
inst.operand = read_type_from_darr(darr, (data_type_t)opcode);
// Read register (as a byte)
else if (OPCODE_IS_TYPE(opcode, OP_PUSH_REGISTER) ||
- OPCODE_IS_TYPE(opcode, OP_MOV) || opcode == OP_JUMP_REGISTER ||
- OPCODE_IS_TYPE(opcode, OP_DUP) ||
+ OPCODE_IS_TYPE(opcode, OP_MOV) || OPCODE_IS_TYPE(opcode, OP_DUP) ||
OPCODE_IS_TYPE(opcode, OP_MALLOC) ||
OPCODE_IS_TYPE(opcode, OP_MSET) || OPCODE_IS_TYPE(opcode, OP_MGET) ||
opcode == OP_JUMP_ABS || OPCODE_IS_TYPE(opcode, OP_JUMP_IF))
diff --git a/lib/inst.h b/lib/inst.h
index 63b1669..55c062f 100644
--- a/lib/inst.h
+++ b/lib/inst.h
@@ -145,7 +145,6 @@ typedef enum
// Program control flow
OP_JUMP_ABS,
OP_JUMP_STACK,
- OP_JUMP_REGISTER,
OP_JUMP_IF_BYTE,
OP_JUMP_IF_HWORD,
OP_JUMP_IF_WORD,
@@ -230,8 +229,6 @@ inst_t *insts_read_bytecode_file(FILE *, size_t *);
#define INST_JUMP_ABS(OP) \
((inst_t){.opcode = OP_JUMP_ABS, .operand = DWORD(OP)})
#define INST_JUMP_STACK ((inst_t){.opcode = OP_JUMP_STACK})
-#define INST_JUMP_REGISTER(OP) \
- ((inst_t){.opcode = OP_JUMP_REGISTER, .operand = DWORD(OP)})
#define INST_JUMP_IF(TYPE, OP) \
((inst_t){.opcode = OP_JUMP_IF_##TYPE, .operand = DWORD(OP)})
diff --git a/vm/runtime.c b/vm/runtime.c
index 5d5333b..c927662 100644
--- a/vm/runtime.c
+++ b/vm/runtime.c
@@ -60,7 +60,7 @@ const char *err_as_cstr(err_t err)
err_t vm_execute(vm_t *vm)
{
- static_assert(NUMBER_OF_OPCODES == 96, "vm_execute: Out of date");
+ static_assert(NUMBER_OF_OPCODES == 95, "vm_execute: Out of date");
struct Program *prog = &vm->program;
if (prog->ptr >= prog->max)
return ERR_END_OF_PROGRAM;
@@ -133,13 +133,6 @@ err_t vm_execute(vm_t *vm)
return err;
return vm_jump(vm, ret.as_word);
}
- else if (instruction.opcode == OP_JUMP_REGISTER)
- {
- if (instruction.operand.as_word >= vm->registers.available)
- return ERR_INVALID_REGISTER_WORD;
- word addr = vm->registers.data[instruction.operand.as_word];
- return vm_jump(vm, addr);
- }
else if (OPCODE_IS_TYPE(instruction.opcode, OP_JUMP_IF))
{
data_t datum = {0};
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2025-10-31 18:27:18 +0000