INSTR_INFO

Metadatacopy
struct INSTR_INFO {
    unsigned long Operation : 12;/* 0x0:0  4 */
    unsigned long Op1Location : 5;/* 0x0:12  4 */
    unsigned long Op2Location : 5;/* 0x0:17  4 */
    unsigned long ResultLocation : 5;/* 0x0:22  4 */
    int PopStack : 3;/* 0x0:27  4 */
    unsigned long NumArgs : 2;/* 0x0:30  4 */
};
/* source: Windows 2000 DDK (February 2000) i386 libcntpr.lib CodeView type records; build 2195 per the DDK's ntverp.h */