Rainbow-electronics HT49R70A-1 Instrukcja Użytkownika Pobierz pdf (Strona 37)

SET [m] Set data memory

Description Each bit of the specified data memory is set to 1.

Operation

[m] ¬ FFH

Affected flag(s)

TC2 TC1 TO PD OV Z AC C

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SET [m]. i Set bit of data memory

Description Bit i of the specified data memory is set to 1.

Operation

[m].i ¬ 1

Affected flag(s)

TC2 TC1 TO PD OV Z AC C

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SIZ [m] Skip if increment data memory is 0

Description The contents of the specified data memory are incremented by 1. If the result is 0, the fol

lowing instruction, fetched during the current instruction execution, is discarded and a

dummy cycle is replaced to get the proper instruction (2 cycles). Otherwise proceed with

the next instruction (1 cycle).

Operation

Skip if ([m]+1)=0, [m] ¬ ([m]+1)

Affected flag(s)

TC2 TC1 TO PD OV Z AC C

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SIZA [m] Increment data memory and place result in ACC, skip if 0

Description The contents of the specified data memory are incremented by 1. If the result is 0, the next

instruction is skipped and the result is stored in the accumulator. The data memory re-

mains unchanged. If the result is 0, the following instruction, fetched during the current in-

struction execution, is discarded and a dummy cycle is replaced to get the proper

instruction (2 cycles). Otherwise proceed with the next instruction (1 cycle).

Operation

Skip if ([m]+1)=0, ACC ¬ ([m]+1)

Affected flag(s)

TC2 TC1 TO PD OV Z AC C

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SNZ [m].i Skip if bit i of the data memory is not 0

Description If bit i of the specified data memory is not 0, the next instruction is skipped. If bit i of the data

memory is not 0, the following instruction, fetched during the current instruction execution,

is discarded and a dummy cycle is replaced to get the proper instruction (2 cycles). Other

wise proceed with the next instruction (1 cycle).

Operation

Skip if [m].i¹0

Affected flag(s)

TC2 TC1 TO PD OV Z AC C

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HT49R70A-1

Rev. 1.00 37 December 4, 2001

1 2 ... 32 33 34 35 36 37 38 39 40 41

HT49R70A-1 1
8-Bit LCD Type OTP MCU 1

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