INT 2F U - PC-Kwik Programs - 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. AH = CCh SI = 5453h or 7473h AL = function number (at least 00h,01h,04h,05h,07h,80h) DL = program identifier (see #03067) Return: SI = 7473h other registers vary by function Note: Qualitas Qcache v4.00 is an OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. version of Super PC-Kwik v4.00, and thus supports this call SeeAlso: INT 21/AH=2Bh/CX=4358h (Table 03067) Values for PC-Kwik program identifier: 00h all installed PowerPak programs 01h SUPERPCK/SUPER/QCACHE v4.00+ (disk cache) 02h PCKSPL (print spooler) 04h PCKSCRN (screen accelerator) 05h PCKKEY (keyboard enhancer) 06h PCKRAMD (RAM(Random Access Memory) See also DRAM, SRAM. disk) 08h PCKWIK.SYS 10h PCKCDROM (CD-ROM support for SUPERPCK)