Zilog Z8F0130 Manual do Utilizador descarregar pdf (Página 90)

eZ8

™

CPU Core

User Manual

UM012820-0810 ADC Instruction

Example 2

If Working Register R15 contains the value 16h, the Carry flag is not set,

Working Register R10 contains the value

20h, and Register 20h contains

the value

11h, the following statement leaves the value 27h in Working

ADC R15, @R10



Object Code: 13 FA

Example 3

If Register 34h contains the value 2Eh, the Carry flag is set, and Register

12h contains the value 1bh, the following statement leaves the value 4Ah

in Register

34h, sets the H flag, and clears the C, Z, S, V, and D flags:

ADC

34h

12h

Object Code: 14 12 34

Example 4

Using Escaped Mode Addressing, if Working Register R4 contains the

value

2Eh, the Carry flag is set, and Register 12h contains the value 1bh,

the following statement leaves the value

4Ah in Working Register R4, sets

the H flag, and clears the C, Z, S, V, and D flags:

ADC E4h,

12h

Object Code: 14 12 E4

Example 5

Using Escaped Mode Addressing, if Register 4Bh contains the value 82h,

the Carry flag is set, Working Register R3 contains the value

10h, and

10h contains the value 01h, the following statement leaves the

value

84h in Register 4Bh, sets the S flag, and clears the C, Z, V, D, and H

flags:

ADC

4Bh

, @R3



Object Code: 15 E3 4B

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 313 314

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