Instruction's operand referring to indexed addressing. More...

#include <m680x.h>

Public Attributes
m680x_reg	base_reg
	irrelevant) More...

m680x_reg	offset_reg
	irrelevant) More...

int16_t	offset
	5-,8- or 16-bit offset. See also offset_bits. More...

uint16_t	offset_addr
	calculated as offset + PC More...

uint8_t	offset_bits
	offset width in bits for indexed addressing More...

int8_t	inc_dec

uint8_t	flags
	8-bit flags (see above) More...

Detailed Description

Instruction's operand referring to indexed addressing.

Definition at line 81 of file m680x.h.

Member Data Documentation

◆ base_reg

m680x_reg m680x_op_idx::base_reg

irrelevant)

base register (or M680X_REG_INVALID if

Definition at line 82 of file m680x.h.

◆ flags

uint8_t m680x_op_idx::flags

8-bit flags (see above)

Definition at line 96 of file m680x.h.

Referenced by cmd_descs_generate.Arg::__str__().

◆ inc_dec

int8_t m680x_op_idx::inc_dec

inc. or dec. value: 0: no inc-/decrement 1 .. 8: increment by 1 .. 8 -1 .. -8: decrement by 1 .. 8 if flag M680X_IDX_POST_INC_DEC set it is post inc-/decrement otherwise pre inc-/decrement

Definition at line 90 of file m680x.h.

◆ offset

int16_t m680x_op_idx::offset

5-,8- or 16-bit offset. See also offset_bits.

Definition at line 86 of file m680x.h.

◆ offset_addr

uint16_t m680x_op_idx::offset_addr

calculated as offset + PC

= offset addr. if base_reg == M680X_REG_PC.

Definition at line 87 of file m680x.h.

◆ offset_bits

uint8_t m680x_op_idx::offset_bits

offset width in bits for indexed addressing

Definition at line 89 of file m680x.h.

◆ offset_reg

m680x_reg m680x_op_idx::offset_reg