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Mikroprotsessorid
PIC16F876A KÄSUD
Instruction decode – mis teha tuleb
Loe mälust
Töötle andmeid
Kirjuta mällu
1FFFh + 1 = 0000h
Käske täidetakse järjest. Peale igat käsku tehakse PC = PC + 1
Erandid: GOTO ja CALL
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 11-bitine aadress kkkkkkkkkkk
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 8-bitine Literal kkkkkkkk
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 3-bitinebiti aadress
bbb
7-bitine registri aadressfffffff
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE d=0: dest=Wd=1: dest=f
7-bitine registri aadressfffffff
PIC16F876A käskude struktuur Address modes
Käsud registriga
Käsud bitiga
Käsud konstandiga
Absoluutne suunamine
Käsud operandita
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE d=0: dest=Wd=1: dest=f
7-bitine registri aadressfffffff
f tähendab mõnda registrit sellest tabelist
W tähendab Work registrit
Kui dest=W, siis
1. võetakse registri f väärtus,
2. Tehakse sellega midagi
3. Tulemus pannakse W-sse
4. Register f ise ei muutu
Kui dest=f, siis
1. võetakse registri f väärtus,
2. Tehakse sellega midagi
3. Tulemus pannakse f-sse tagasi
4. Register W ei muutu
7 6 5 4 3 2 1 0
x3h STATUS IRP RP1 RP0 _TO _PD Z DC C
Mälupanga number tuleb registrist STATUS
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE d=0: dest=Wd=1: dest=f
7-bitine registri aadressfffffff
Move
LiidaLahuta
Loogika
Rotate
LiidaLahuta+Tingimuslik suunamine
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 3-bitinebiti aadress
bbb
7-bitine registri aadressfffffff
Biti seadmine
Tingimuslik suunamine
f tähendab mõnda registrit sellest tabelist
bbb tähendab biti numbrit (0...7)
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 8-bitine Literal kkkkkkkk
NB! Kõik Literali käsud on ainult registriga W
Move
LiidaLahuta
Loogika
Return
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 11-bitine aadress kkkkkkkkkkk
7 6 5 4 3 2 1 0
xAh PCLATH A12 A11
Go
Aadressi vanemad 2 bitti tulevad registrist PCLATH
12 11 10 9 8 7 6 5 4 3 2 1 0
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> d Z 00 1010 dfff ffffDecrement f f-1 --> d Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode Sleep 00 0000 0110 0011
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 11-bitine aadress kkkkkkkkkkk
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 8-bitine Literal kkkkkkkk
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE 3-bitinebiti aadress
bbb
7-bitine registri aadressfffffff
13 12 11 10 9 8 7 6 5 4 3 2 1 0
OPCODE d=0: dest=Wd=1: dest=f
7-bitine registri aadressfffffff
PIC16F876A käskude struktuur Address modes
Käsud registriga
Käsud bitiga
Käsud konstandiga
Absoluutne suunamine
Käsud operandita
Port B
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Näide: Genereeri PortB abil impulsse
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex
0x55 -> W: 11 0000 0101 0101 30 550000
Move Literal to W k->W 11 00xx kkkk kkkk
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
Move W to f W->f 00 0000 1fff ffff
W -> 20h: 00 0000 1010 0000 00 A00001
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
Move W to f W->f 00 0000 1fff ffff
W -> 20h: 00 0000 1010 0000 00 A00001
W -> PORTB: 00 0000 1000 0110 00 860002
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
W -> 20h: 00 0000 1010 0000 00 A00001
W -> PORTB: 00 0000 1000 0110 00 860002
Invert 20h: 00 1001 1010 0000
09 A00003
Complement f 00 1001 dfff ffff
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
d=0: dest=Wd=1: dest=f
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
W -> 20h: 00 0000 1010 0000 00 A00001
W -> PORTB: 00 0000 1000 0110 00 860002
Invert 20h: 00 1001 1010 0000
09 A00003
Move f to d 00 1000 dfff ffff
20h -> W: 00 1000 0010 0000
08 200004
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
d=0: dest=Wd=1: dest=f
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
W -> 20h: 00 0000 1010 0000 00 A00001
W -> PORTB: 00 0000 1000 0110 00 860002
Invert 20h: 00 1001 1010 0000
09 A00003
Go to address 10 1kkk kkkk kkkk
20h -> W: 00 1000 0010 0000
08 200004
Go to 0002: 10 1000 0000 0010 28 020005
Register = 0x55
Kirjuta Register Porti B
Inverteeri Register
Move Literal to W k --> W 11 00xx kkkk kkkkMove W to f W --> f Z 00 0000 1fff ffffMove f to d f --> d Z 00 1000 dfff ffffClear W 0 --> W Z 00 0001 0xxx xxxxClear f 0 --> f Z 00 0001 1fff ffffSwap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffAdd Literal and W W+k --> W C DC Z 11 111x kkkk kkkkAdd W and f W+f --> d C DC Z 00 0111 dfff ffffSubtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSubtract f from W W-f --> d C DC Z 00 0010 dfff ffffIncrement f f+1 --> f Z 00 1010 dfff ffffDecrement f f-1 --> f Z 00 0011 dfff ffffAND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkAND W with f W .AND. f --> d Z 00 0101 dfff ffffOR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkOR W with f W .OR. f --> d Z 00 0100 dfff ffffXOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXOR W with f W .XOR. f --> d Z 00 0110 dfff ffffComplement f f --> d Z 00 1001 dfff ffffRotate f Left through carry C 00 1101 dfff ffffRotate f Right through carry C 00 1100 dfff ffffBit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGo to address 10 1kkk kkkk kkkkCall subroutine 10 0kkk kkkk kkkkReturn from subroutine 00 0000 0000 1000Return with Literal in W 11 01xx kkkk kkkkReturn from Interrupt 00 0000 0000 1001Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDecrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNo Operation 00 0000 0xx0 0000Clear Watchdog Timer 00 0000 0110 0100Go into Standby Mode 00 0000 0110 0011
Aadress Bin Hex0x55 -> W: 11 0000 0101 0101 30 550000
W -> 20h: 00 0000 1010 0000 00 A00001
W -> PORTB: 00 0000 1000 0110 00 860002
Invert 20h: 00 1001 1010 0000
09 A00003
20h -> W: 00 1000 0010 0000
08 200004
Go to 0002: 10 1000 0000 0010 28 020005
Tehtud! Kas see programm töötab ka?
7 6 5 4 3 2 1 0
x3h STATUS IRP RP1 RP0 _TO _PD Z DC C
7 6 5 4 3 2 1 0
xAh PCLATH A12 A11
Registrite adresseerimisel peab Banga number olema registris STATUS!
GOTO 2 vanemat bitti peavad olema registris PCLATH!
MOVLW k Move Literal to W k --> W 11 00xx kkkk kkkkMOVWF f Move W to f W --> f Z 00 0000 1fff ffffMOVF f,d Move f to d f --> d Z 00 1000 dfff ffffCLRW Clear W 0 --> W Z 00 0001 0xxx xxxxCLRF f Clear f 0 --> f Z 00 0001 1fff ffffSWAPF f,d Swap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffADDLW k Add Literal and W W+k --> W C DC Z 11 111x kkkk kkkkADDWF f,d Add W and f W+f --> d C DC Z 00 0111 dfff ffffSUBLW k Subtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSUBWF f,d Subtract f from W W-f --> d C DC Z 00 0010 dfff ffffINCF f,d Increment f f+1 --> f Z 00 1010 dfff ffffDECF f,d Decrement f f-1 --> f Z 00 0011 dfff ffffANDLW k AND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkANDWF f,d AND W with f W .AND. f --> d Z 00 0101 dfff ffffIORLW k OR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkIORWF f,d OR W with f W .OR. f --> d Z 00 0100 dfff ffffXORLW k XOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXORWF f,d XOR W with f W .XOR. f --> d Z 00 0110 dfff ffffCOMF f,d Complement f f --> d Z 00 1001 dfff ffffRLF f,d Rotate f Left through carry C 00 1101 dfff ffffRRF f,d Rotate f Right through carry C 00 1100 dfff ffffBCF f,b Bit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBSF f,b Bit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGOTO k Go to address 10 1kkk kkkk kkkkCALL k Call subroutine 10 0kkk kkkk kkkkRETURN Return from subroutine 00 0000 0000 1000RETLW k Return with Literal in W 11 01xx kkkk kkkkRETFIE Return from Interrupt 00 0000 0000 1001BTFSC f,b Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBTFSS f,b Bit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDECFSZ f,d Decrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINCFSZ f,d INcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNOP No Operation 00 0000 0xx0 0000CLRWDT Clear Watchdog Timer 00 0000 0110 0100SLEEP Go into Standby Mode 00 0000 0110 0011
MOVLW k Move Literal to W k --> W 11 00xx kkkk kkkkMOVWF f Move W to f W --> f Z 00 0000 1fff ffffMOVF f,d Move f to d f --> d Z 00 1000 dfff ffffCLRW Clear W 0 --> W Z 00 0001 0xxx xxxxCLRF f Clear f 0 --> f Z 00 0001 1fff ffffSWAPF f,d Swap nibbles in f f(7:4)(3:0)->f(3:0)(7:4) 00 1110 dfff ffffADDLW k Add Literal and W W+k --> W C DC Z 11 111x kkkk kkkkADDWF f,d Add W and f W+f --> d C DC Z 00 0111 dfff ffffSUBLW k Subtract Literal from W W-k --> W C DC Z 11 110x kkkk kkkkSUBWF f,d Subtract f from W W-f --> d C DC Z 00 0010 dfff ffffINCF f,d Increment f f+1 --> f Z 00 1010 dfff ffffDECF f,d Decrement f f-1 --> f Z 00 0011 dfff ffffANDLW k AND Literal with W W .AND. k --> W Z 11 1101 kkkk kkkkANDWF f,d AND W with f W .AND. f --> d Z 00 0101 dfff ffffIORLW k OR Literal with W W .OR. k --> W Z 11 1000 kkkk kkkkIORWF f,d OR W with f W .OR. f --> d Z 00 0100 dfff ffffXORLW k XOR Literal with W W .XOR. k --> W Z 11 1010 kkkk kkkkXORWF f,d XOR W with f W .XOR. f --> d Z 00 0110 dfff ffffCOMF f,d Complement f f --> d Z 00 1001 dfff ffffRLF f,d Rotate f Left through carry C 00 1101 dfff ffffRRF f,d Rotate f Right through carry C 00 1100 dfff ffffBCF f,b Bit Clear bit b of f 0 --> f(b) 01 00bb bfff ffffBSF f,b Bit Set bit b of f 1 --> f(b) 01 01bb bfff ffffGOTO k Go to address 10 1kkk kkkk kkkkCALL k Call subroutine 10 0kkk kkkk kkkkRETURN Return from subroutine 00 0000 0000 1000RETLW k Return with Literal in W 11 01xx kkkk kkkkRETFIE Return from Interrupt 00 0000 0000 1001BTFSC f,b Bit Test f, Skip if Clear skip next if f(b)=0 01 10bb bfff ffffBTFSS f,b Bit Test f, Skip if Set skip next if f(b)=1 01 11bb bfff ffffDECFSZ f,d Decrement f, Skip if 0 f-1->d, skip next if Z=1 00 1011 dfff ffffINCFSZ f,d INcrement f, Skip if 0 f+1->d, skip next if Z=1 00 1111 dfff ffffNOP No Operation 00 0000 0xx0 0000CLRWDT Clear Watchdog Timer 00 0000 0110 0100SLEEP Go into Standby Mode 00 0000 0110 0011
Aadress0x55 -> W:0000
W -> 20h:0001
W -> PORTB:0002
Invert 20h:0003
20h -> W:0004
Go to 0002:0005
PROCESSOR 16F876A#include "P16F876A.INC"
ORG 0x00
MOVLW 0x55MOVWF 0x20
LoopMOVWF PORTBCOMF 0x20,1MOVF 0x20,0GOTO LoopEnd
1: PROCESSOR 16F876A
2: #include "P16F876A.INC“
3:4: ORG 0x005:
0000 3055 MOVLW 0x55 6: MOVLW 0x550001 00A0 MOVWF 0x20 7: MOVWF 0x20
8: Loop0002 0086 MOVWF 0x6 9: MOVWF PORTB0003 09A0 COMF 0x20, F 10: COMF 0x20,10004 0820 MOVF 0x20, W 11: MOVF 0x20,00005 2802 GOTO 0x2 12: GOTO Loop
Hex30 5500 A000 8609 A008 2028 02
