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reg | value | descr |
---|---|---|
AH | 0x3f | |
BX | file handle | |
CX | number of bytes to read | |
DS:DX | pointer to read buffer |
CF is cleared : success
reg | descr |
---|---|
AX | number of bytes readed |
CF is set: error
reg | descr |
---|---|
AX | error code (see DOS Error Code) |