INT &40 0000:0100 OSFIND F000:1DAC INT &41 0000:0104 OSGBPB F000:1DCF INT &42 0000:0108 OSBPUT F000:1F1F INT &43 0000:010C OSBGET F000:1F3B INT &44 0000:0110 OSARGS F000:1F4F INT &45 0000:0114 OSFILE F000:1F93 INT &46 0000:0118 OSRDCH F000:19B0 INT &47 0000:011C OSASCI F000:19D8 INT &48 0000:0120 OSNEWL F000:19DD INT &49 0000:0124 OSWRCH F000:19E5 INT &4A 0000:0128 OSWORD F000:1E6D INT &4B 0000:012C OSBYTE F000:1E10 INT &4C 0000:0120 OSCLI F000:1A11 INT &4D 0000:0134 unused 0000:0000 INT &4E 0000:0138 unused 0000:0000 INT &4F 0000:013C ERROR F000:2048 0000:05F0 Escape flag 0000:05F4 Error pointer 0000:05F8 Error handler 0000:05FC