NEC 78K0S/K 1+ Series Application Note page 22

(2) Sample program
In the example below, "x" in (1) Register settings is set to "0".
<1> Assembly language (when using the 78K0S/KA1+ and 78K0S/KB1+ microcontrollers)
CLR1 P3.1
CLR1 PM3.1
MOV CRC00, #00000000B
MOVW CR000, #99
MOV PRM00, #00000001B
MOV TOC00, #00000111B
MOV TMC00, #00001100B
<2> C language (when using the 78K0S/KA1+ and 78K0S/KB1+ microcontrollers)
P3.1 = 0;
PM3.1 = 0;
CRC00 = 0b00000000;
CR000 = 99;
PRM00 = 0b00000001;
TOC00 = 0b00000111;
TMC00 = 0b00001100;
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CHAPTER 4 SETTING METHODS
Application Note U18887EJ1V0AN