Divide by zero Single Step Nonmaskable Interrupt Breakpoint Overflow Print Screen Reserved Reserved System Timer Keyboard Reserved Reserved Reserved Reserved Diskette Reserved Video Equipment Determination Memory Determination Fixed Disk/Diskette Asynchronous Communication System Services Keyboard Printer Resident BASIC Bootstrap Loader Real Time Clock Service Keyboard Break User Timer Tick Video Parameter Diskette Parameters Video Graphics Character Program Terminate General DOS Function Terminate Address Ctrl-Break Handler Address Critical Error Handler Absolute Disk Read Absolute Disk Write Terminate & Stay Resident DOS Idle DOS Internal -FAST PUTCHAR Reserved For DOS Reserved Reserved Reserved For DOS DOS Execute Command Multiplex (Process Interface) DOS CP/M services Reserved Reserved MS Mouse Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Floating point emulation Reserved Overlay manager Diskette Request Fixed Disk Parameters Old video interrupt Reserved Netware API Reserved Fixed Disk Parameters Reserved Reserved Reserved User Alarm Reserved Reserved Reserved Reserved SCSI services Diskette Request Fixed Disk Parameters Old video interrupt Reserved Netware API Reserved Fixed Disk Parameters Reserved Reserved Reserved User Alarm Reserved Reserved Reserved Reserved Reserved Program Use Reserved Reserved Reserved Reserved Reserved Program Use EMS Request Reserved Reserved Reserved Reserved Reserved Alternate Video interrupt Reserved Reserved Real Time Clock Reserved Reserved Reserved Reserved Coprocessor Fixed Disk Some Adapters use Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved for Basic interpreter Reserved for Basic interpreter Reserved for Basic interpreter Reserved for Basic interpreter Reserved for Basic interpreter Reserved for Basic interpreter 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