title: "Dec" description: TRSE built-in method (from IDE help)

`Dec`

Systems: X16,C64, MEGA65, PLUS4, C128, VIC20, PET, NES, OK64, ATARI2600, APPLEII, SNES, ORIC, BBCM, ACORN, ATARI800, AMSTRADCPC, VZ200 , TIKI100, SPECTRUM, MSX, Z80, Z180, GAMEBOY, PX86, M6809
Parameters: a

Dec( [address] );

[address] - address to decrement

Description

Decreases the value at the address by 1. Creates a dec directive in assembler.

Example


dec(^$d020);        // dec $d020 in assembler
dec(my_variable);   // dec my_variable
dec(my_array[i]);   // dec my_array,x