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String Functions
Joshua Riek edited this page Feb 17, 2020
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Converts a 32-bit number and base to a string
- IN:
DS:SI, AX:DX, BX= Pointer to string buffer, 32-bit number, Base of number - OUT:
DS:SI= Pointer now contains a string
Converts a string and base to a 16-bit number
- IN:
DS:SI, BX= Pointer to string buffer, Base of number - OUT:
AX= Number from string
Convert the filename into a fat formatted filename (8.3 format)
- IN:
DS:SI, ES:DI= Pointer to filename, Pointer for converted filename - OUT:
ES:DI= Pointer now contains the converted filename
Pad a string with Ascii characters
- IN:
DS:SI, ES:DI, AL, CX= Pointer to string for padding, Pointer to string buffer, Char to pad with, Length of padding - OUT:
ES:DI= Pointer now contains the padded string
Split the string into tokens
- IN:
DS:SI= Pointer to string for parsing - OUT:
AX, BX, CX, DX= Pointer to token 1, Pointer to token 2, Pointer to token 3, pointer to token 4
Checks to see if the two passed strings are equal to each other or not
- IN:
DS:SI, ES:DI= Pointer to string, Pointer to string - OUT:
CF= Carry flag set if strings are equal
Get the length of a string
- IN:
DS:SI= Pointer to string - OUT:
CX= Length of string
Convert an Acsii letter to a lowercase character
- IN:
AL= Ascii character - OUT:
AL= Lowercase Ascii character
Convert an Acsii letter to a uppercase character
- IN:
AL= Ascii character - OUT:
AL= Uppercase Ascii character