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back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_62

Table des matières

INT 0x21 - 0x62 - DOS 3.x - Get PSP address

Request/Call:

reg value descr
AH 0x62

Return:

reg descr
BX Segment address of current process

Notes & Comments

  • this is useful for TSR's to access their own file handles
  • for DOS 2.x use Int 21,51

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back2root/ibm-pc-ms-dos/interrupts/int_21/int_21_62.txt · Dernière modification : 2023/01/10 15:39 de 127.0.0.1