back2root:ibm-pc-ms-dos:interrupts:int_21:int_21_09
INT 0x21 - 0x09 - print String
Request/Call:
| reg | value | descr |
| AH | 0x9 | |
| DS:DX | | pointer to string ending with '$' |
Return:
outputs character string to STDOUT up to “$”
backspace is treated as non-destructive
if Ctrl-Break is detected, INT 23 is executed
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back2root/ibm-pc-ms-dos/interrupts/int_21/int_21_09.txt · Dernière modification : de frater