DF69 datasheet(84/106 Pages) PADAUK

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DF69

DC Fan Controller

pushw

word

Move the source data from the memory in word to memory that address specified in the

stack pointer (pushw word). It needs 2T to execute this instruction.

Example:

pushw

word;

Result:

[sp] ← word ;

sp ← sp + 2 ;

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

Application Example:

------------------------------------------------------------------------------------------------------------------------

word

data ;

// declare data in RAM

…

mov

a, 0x55 ;

mov

ld@data, a ;

// move 0x55 to data (LSB)

mov

a, 0xaa ;

mov

hd@data, a ;

// move 0xaa to data (MSB)

pushw

data ;

// move (0xaa, 0x55) to stack memory

…

------------------------------------------------------------------------------------------------------------------------

pushw

pcN

Store the program counter of Nth FPP unit to the memory which address is specified in the

stack pointer of current executing FPP unit (pushw pcN). It needs 2T to execute this

instruction.

Example:

pushw

pc3;

Result:

[sp] of FPP

0 ← pc of FPP3 ;

sp of FPP

0 ← sp of FPP0 + 2 ;

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

Application Example:

------------------------------------------------------------------------------------------------------------------------

fpp0_loop:

…

pushw

pc1 ;

// store PC1 to stack memory

…

goto

fpp0_loop ;

fpp1_loop:

…

goto

fpp1_loop ;

------------------------------------------------------------------------------------------------------------------------

Page 84 of 106

PDK-DS-DF69_V003 – Apr. 18, 2018

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