L9803 datasheet(110/126 Pages) STMICROELECTRONICS

110 / 126 page

Instruction Set

L9803

110/126

Indirect Indexed (short, long):

This is a combination of indirect and short indexed addressing modes. The operand is

referenced by its memory address, which is defined by the unsigned addition of an index

the opcode.

The indirect indexed addressing mode consists of two sub-modes:

Indirect Indexed (short):

The pointer address is a byte, the pointer size is a byte, thus allowing 00 - 1FE addressing

space, and requires 1 byte after the opcode.

Indirect Indexed (long):

The pointer address is a byte, the pointer size is a word, thus allowing 64Kb addressing

space, and requires 1 byte after the opcode.

Relative mode (direct, indirect):

This addressing mode is used to modify the PC register value, by adding an 8 bit signed

offset to it.

Long and Short Indirect Indexed

Instructions

Function

Load

Compare

AND, OR, XOR

Logical Operations

ADC, ADD, SUB, SBC

Arithmetic Additions/Substructions operations

BCP

Bit Compare

Short Indirect Indexed Instructions Only

Function

CLR

Clear

INC, DEC

Increment/Decrement

TNZ

Test Negative or Zero

CPL, NEG

1 or 2 Complement

BSET, BRES

Bit Operations

BTJT, BTJF

Bit Test and Jump Operations

SLL, SRL, SRA, RLC, RRC

Shift and Rotate Operations

SWAP

Swap Nibbles

CALL, JP

Call or Jump subroutine

Available Relative Direct/Indirect

Instructions

Function

JRxx

Conditional Jump

CALLR

Call Relative

L9803 데이터시트(PDF) 110 Page - STMicroelectronics

L9803 데이터시트(HTML) 110 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

데이터시트 다운로드

링크 URL