decoder.c File Reference

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Functions
uint32_t	vm_getbits (command_t *command, int32_t start, int32_t count)
static uint16_t	get_GPRM (registers_t *registers, uint8_t reg)
static void	set_GPRM (registers_t *registers, uint8_t reg, uint16_t value)
static uint16_t	eval_reg (command_t *command, uint8_t reg)
static uint16_t	eval_reg_or_data (command_t *command, int32_t imm, int32_t start)
static uint16_t	eval_reg_or_data_2 (command_t *command, int32_t imm, int32_t start)
static int32_t	eval_compare (uint8_t operation, uint16_t data1, uint16_t data2)
static int32_t	eval_if_version_1 (command_t *command)
static int32_t	eval_if_version_2 (command_t *command)
static int32_t	eval_if_version_3 (command_t *command)
static int32_t	eval_if_version_4 (command_t *command)
static int32_t	eval_special_instruction (command_t *command, int32_t cond)
static int32_t	eval_link_subins (command_t *command, int32_t cond, link_t *return_values)
static int32_t	eval_link_instruction (command_t *command, int32_t cond, link_t *return_values)
static int32_t	eval_jump_instruction (command_t *command, int32_t cond, link_t *return_values)
static int32_t	eval_system_set (command_t *command, int32_t cond, link_t *return_values)
static void	eval_set_op (command_t *command, int32_t op, int32_t reg, int32_t reg2, int32_t data)
static void	eval_set_version_1 (command_t *command, int32_t cond)
static void	eval_set_version_2 (command_t *command, int32_t cond)
static int32_t	eval_command (uint8_t *bytes, registers_t *registers, link_t *return_values)
int32_t	vmEval_CMD (vm_cmd_t commands[], int32_t num_commands, registers_t *registers, link_t *return_values)
static char *	linkcmd2str (link_cmd_t cmd)
void	vm_print_link (link_t value)
void	vm_print_registers (registers_t *registers)

---

Function Documentation

uint32_t vm_getbits	(	command_t *	command,
		int32_t	start,
		int32_t	count
	)

Definition at line 36 of file decoder.c.

Referenced by eval_command(), eval_if_version_1(), eval_if_version_2(), eval_if_version_3(), eval_if_version_4(), eval_jump_instruction(), eval_link_instruction(), eval_link_subins(), eval_reg_or_data(), eval_reg_or_data_2(), eval_set_version_1(), eval_set_version_2(), eval_special_instruction(), eval_system_set(), print_if_version_1(), print_if_version_2(), print_if_version_3(), print_if_version_4(), print_if_version_5(), print_jump_instruction(), print_link_instruction(), print_linksub_instruction(), print_reg_or_data(), print_reg_or_data_2(), print_reg_or_data_3(), print_set_version_1(), print_set_version_2(), print_set_version_3(), print_special_instruction(), print_system_set(), and vm_print_mnemonic().

static uint16_t get_GPRM	(	registers_t *	registers,
		uint8_t	reg
	)			[static]

Definition at line 62 of file decoder.c.

Referenced by eval_reg(), eval_reg_or_data_2(), eval_set_op(), and vm_print_registers().

static void set_GPRM	(	registers_t *	registers,
		uint8_t	reg,
		uint16_t	value
	)			[static]

Definition at line 86 of file decoder.c.

Referenced by eval_set_op(), and eval_system_set().

static uint16_t eval_reg	(	command_t *	command,
		uint8_t	reg
	)			[static]

Definition at line 100 of file decoder.c.

Referenced by eval_if_version_1(), eval_if_version_2(), eval_if_version_3(), eval_if_version_4(), and eval_reg_or_data().

static uint16_t eval_reg_or_data	(	command_t *	command,
		int32_t	imm,
		int32_t	start
	)			[static]

Definition at line 114 of file decoder.c.

Referenced by eval_if_version_1(), eval_if_version_3(), eval_if_version_4(), eval_set_version_1(), eval_set_version_2(), and eval_system_set().

static uint16_t eval_reg_or_data_2	(	command_t *	command,
		int32_t	imm,
		int32_t	start
	)			[static]

Definition at line 126 of file decoder.c.

Referenced by eval_system_set().

static int32_t eval_compare	(	uint8_t	operation,
		uint16_t	data1,
		uint16_t	data2
	)			[static]

Definition at line 137 of file decoder.c.

Referenced by eval_if_version_1(), eval_if_version_2(), eval_if_version_3(), and eval_if_version_4().

static int32_t eval_if_version_1

(

command_t *

command

)

[static]

Definition at line 161 of file decoder.c.

Referenced by eval_command().

static int32_t eval_if_version_2

(

command_t *

command

)

[static]

Definition at line 172 of file decoder.c.

Referenced by eval_command().

static int32_t eval_if_version_3

(

command_t *

command

)

[static]

Definition at line 183 of file decoder.c.

Referenced by eval_command().

static int32_t eval_if_version_4

(

command_t *

command

)

[static]

Definition at line 195 of file decoder.c.

Referenced by eval_command().

static int32_t eval_special_instruction	(	command_t *	command,
		int32_t	cond
	)			[static]

Definition at line 206 of file decoder.c.

Referenced by eval_command().

static int32_t eval_link_subins	(	command_t *	command,
		int32_t	cond,
		link_t *	return_values
	)			[static]

Definition at line 236 of file decoder.c.

Referenced by eval_command(), and eval_link_instruction().

static int32_t eval_link_instruction	(	command_t *	command,
		int32_t	cond,
		link_t *	return_values
	)			[static]

Definition at line 253 of file decoder.c.

Referenced by eval_command(), and eval_system_set().

static int32_t eval_jump_instruction	(	command_t *	command,
		int32_t	cond,
		link_t *	return_values
	)			[static]

Definition at line 286 of file decoder.c.

Referenced by eval_command().

static int32_t eval_system_set	(	command_t *	command,
		int32_t	cond,
		link_t *	return_values
	)			[static]

Definition at line 355 of file decoder.c.

Referenced by eval_command().

static void eval_set_op	(	command_t *	command,
		int32_t	op,
		int32_t	reg,
		int32_t	reg2,
		int32_t	data
	)			[static]

Definition at line 408 of file decoder.c.

Referenced by eval_set_version_1(), and eval_set_version_2().

static void eval_set_version_1	(	command_t *	command,
		int32_t	cond
	)			[static]

Definition at line 464 of file decoder.c.

Referenced by eval_command().

static void eval_set_version_2	(	command_t *	command,
		int32_t	cond
	)			[static]

Definition at line 477 of file decoder.c.

Referenced by eval_command().

static int32_t eval_command	(	uint8_t *	bytes,
		registers_t *	registers,
		link_t *	return_values
	)			[static]

Definition at line 492 of file decoder.c.

Referenced by vmEval_CMD().

int32_t vmEval_CMD	(	vm_cmd_t	commands[],
		int32_t	num_commands,
		registers_t *	registers,
		link_t *	return_values
	)

Definition at line 581 of file decoder.c.

Referenced by play_Cell_post(), play_PGC(), play_PGC_PG(), play_PGC_post(), and vm_exec_cmd().

static char* linkcmd2str

(

link_cmd_t

cmd

)

[static]

Definition at line 634 of file decoder.c.

Referenced by vm_print_link().

void vm_print_link

(

link_t

value

)

Definition at line 700 of file decoder.c.

Referenced by process_command().

void vm_print_registers

(

registers_t *

registers

)

Definition at line 756 of file decoder.c.

Referenced by vmEval_CMD().