ADDRESSING MODES PERIPHERALS SOFTWARE TOOLS HARDWARE TOOLS G

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ADDRESSING MODES PERIPHERALS SOFTWARE TOOLS HARDWARE TOOLS G

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CORE
ADDRESSING MODES
PERIPHERALS SOFTWARE TOOLS HARDWARE TOOLS
General Purpose Microcontroller Training ADDRESSING MODES
SOFTWARE DESCRIPTION Source Program Format
PROGRAM MADE LINES. EACH ASSEMBLER LINE CONSISTS FIELDS label field identifying label operation field contains word which specifies action performed assembly process operand field constitued quantity (number register) which operation performed comment field comment concerning line substract Label Operation
General Purpose Microcontroller Training ADDRESSING MODES
#$22
substract value hold Comment
Operand
INHERENT
CODE FULLY SPECIFY REQUIRED INFORMATION PROCESS OPERATION (The inherent instructions single byte long). EXAMPLE Reset Carry Flag Reset Stack Pointer HALT consumption modes TRAP Enter software interrupt Return IRET -Interrupt Return Interrupt Mask Reset Interrupt Mask PUSH Stack operation
General Purpose Microcontroller Training ADDRESSING MODES
IMMEDIATE ADDRESSING MODE
#$FF #%01001110 #255 EXAMPLE
Before Completion Previous value #$55
After Completion
General Purpose Microcontroller Training ADDRESSING MODES
SHORT DIRECT ADDRESSING MODE
ADDRESSABLE SPACE variable variable variable EXAMPLE label symbol defined
Before Completion
$086
After Completion
label
$086
General Purpose Microcontroller Training ADDRESSING MODES
LONG DIRECT ADDRESSING MODE
ADDRESSABLE SPACE 0000 FFFF VARIABLE VARIABLE EXAMPLE LABEL symbol defined $F1D6
Before Completion
$F1D6
After Completion
LABEL
General Purpose Microcontroller Training ADDRESSING MODES
OFFSET INDEXED ADDRESSING MODE
ADDRESSABLE SPACE EXAMPLE
Before Completion
After Completion
General Purpose Microcontroller Training ADDRESSING MODES
SHORT INDEXED ADDRESSING MODE
ADDRESSABLE SPACE (variable, SWAP (variable, EXAMPLE label symbol defined
Before Completion
After Completion
(label,
General Purpose Microcontroller Training ADDRESSING MODES
LONG INDEXED ADDRESSING MODE
ADDRESSABLE SPACE 0000 FFFF (VARIABLE, (VARIABLE, EXAMPLE LABEL symbol defined $2E6D
Before Completion
$2E6D $2E6E $2E6F $2E70
After Completion
(LABEL,
General Purpose Microcontroller Training ADDRESSING MODES
SHORT INDIRECT
ADDRESSABLE SPACE [variable EXAMPLE
Before Completion
SWAP
General Purpose Microcontroller Training ADDRESSING MODES
LONG INDIRECT ADDRESSING MODE
ADDRESSABLE SPACE 0000 FFFF [variable.w] [variable.w] EXAMPLE label symbol defined
Before Completion
$42E5
After Completion
[label.w]
General Purpose Microcontroller Training ADDRESSING MODES
SHORT INDIRECT INDEXED
ADDRESSABLE SPACE ([variable], ([variable], EXAMPLE label symbol defined
Before Completion
$0C8 $0FE $0FF $100 $101 $102
After Completion
$0C8 $0FE $0FF $100 $101 $102
([label],
General Purpose Microcontroller Training ADDRESSING MODES
LONG INDIRECT INDEXED
ADDRESSABLE SPACE 0000 FFFF ([variable.w], ([variable.w], EXAMPLE label symbol defined
Before Completion
$42E5
After Completion
([label.w],
General Purpose Microcontroller Training ADDRESSING MODES
RELATIVE ADDRESSING MODE
DIRECT ADDRESSABLE SPACE PC-128 PC+127 JRUGE label .label CALLR label
JRMI label
INDIRECT ADDRESSABLE SPACE PC-128 PC+127 JRNC [label] [label]
JRMI [label] .label
General Purpose Microcontroller Training ADDRESSING MODES
MANIPULATION
DIRECT ADDRESSABLE SPACE
variable
variable BSET variable,
INDIRECT ADDRESSABLE SPACE
variable
BRES [variable],
General Purpose Microcontroller Training ADDRESSING MODES
RELATIVE JUMP TEST
DIRECT ADDRESSABLE SPACE variable
BTJT variable, label INDIRECT ADDRESSABLE SPACE variable
Relative jump label range PC-128 PC+127
BTJF [variable], label
Execute next instruction
General Purpose Microcontroller Training ADDRESSING MODES
SHIFT ROTATE INSTRUCTIONS
General Purpose Microcontroller Training ADDRESSING MODES
ADDRESSING MODES Summary
ADDRESSING MODE SYNTAX EXAMPLES
Inherent Immediate Short Direct Long Direct offset Indexed Short Indexed Long Indexed Short Indirect Long Indirect Short Indirect Indexed Long Indirect Indexed Relative Direct Relative Indirect Direct Indirect Relative Direct Relative Indirect SWAP #$0FF #%01001110 variable variable variable VARIABLE VARIABLE (variable, SWAP (variable, (VARIABLE, [variable] [variable.w] ([variable], ([variable], ([variable.w], JRUGE label CALLR label JRNC [label] [label] BRES variable, BSET [variable], BTJT variable, label BTJF [variable], label
ADDRESS RANGE
applicable applicable 00.FF 0000.FFFF 00.FF 000.1FE 0000.FFFF 00.FF 0000.FFFF 000.1FE 0000.FFFF -128/+127 -128/+127 00.FF 00.FF 00.FF 00.FF
General Purpose Microcontroller Training ADDRESSING MODES
EXERCICES ADDRESSING MODES
What content registers after execution instructions
Before Completion
X,(Label,X) Y,([Label],Y) A,([Label2.w],Y)
After Completion
Memory Memory Address Content Label2: $009F $00A0 $00A1 Label: $00A2 $00A3 $00A4 $00A5 $00A6 $00A7
General Purpose Microcontroller Training ADDRESSING MODES
EXERCICES ADDRESSING MODES
What content registers after execution instructions
Before Completion
X,(Label,X) Y,([Label],Y) A,([Label2.w],Y)
After Completion
Memory Memory Address Content Label2: $009F $00A0 $00A1 Label: $00A2 $00A3 $00A4 $00A5 $00A6 $00A7
General Purpose Microcontroller Training ADDRESSING MODES

ADDRESSING MODES PERIPHERALS SOFTWARE TOOLS HARDWARE TOOLS G

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