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back2root:ibm-pc-ms-dos:interrupts:int_1a:int_1a_01

Table des matières

INT 0x1A - 0x01 - Set System Clock Counter

Request/Call:

reg value descr
AH 0x01
CX high order word of tick count
DX low order word of tick count

Return:

nothing

Notes & Comments

  • CX:DX should be set to the number of seconds past midnight multiplied by approximately 18.206

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back2root/ibm-pc-ms-dos/interrupts/int_1a/int_1a_01.txt · Dernière modification : 2023/01/20 22:56 de frater