RBIL61 - Emulators

RBIL61 - Emulators

INT 21 - Q87, Q387 - INSTALLATION CHECK (AX=4321h/BX=0000h)
INT 21 - Q87, Q387 - ENABLE EMULATOR (AX=4321h/BX=0001h)
INT 21 - Q87, Q387 - DISABLE EMULATOR (AX=4321h/BX=0002h)
INT 60 - PCIBM PC/370 v4.2 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.}
INT 67 - Q87 v4+ - PREPARE TO UNLOAD AND GET XMSsee Extended Memory Specification HANDLE FOR Q87 MEMORY (AX=2833h)
INT 67 - Q87 v4+ - INSTALLATION CHECK (AX=4321h)
INT DC - PCIBM PC/370 v4.1- - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes.