int 21h 4ch what is dos interruptmov ah,01h int 21h int 21h functions in 8086 int 21h wikipedia dos interrupt in 8086 mov ah, 09h int 21h int 21h example
MS-DOS Function Calls (INT 21h). Objectives. ASCII Control Characters. Selected Output Functions. Selected Input Functions. Example: String Encryption.INT 21h / AH=0Ah - input of a string to DS:DX, fist byte is buffer size, second byte is number of chars actually read. this function does not add '$' in the end DOS INT 21h - DOS Function Codes 19, Get current default drive, 25, Set interrupt vector AL = interrupt number; DS:DX -> new interrupt handler.
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