David Takle Change your cover photo Upload Change your cover photoUpload Change your cover photo David Takle Worked on IRIS O.S. from 1974 to 1988. See "About David" on the HOME page for more info. This user account status is Approved About About Posts Posts Comments Comments An empty drive usually indicates that the simulator created the drive, given the name that was in the simH command… On Getting Started Thanks for including that note. Actually BZUP was amazingly capable, given how small it was. Unfortunately, some of the later… On IRIS Disks Updated a few processors and fixed some timing issues. See Notes in download zip for more info. On Diablo 31 — Generic LU 0 Added new command processors. Fixed some timing issues. On Century 114 with LU0 + LU1 Updated a few command processors. On Diablo 31 — LU7 Support Updated 5/20/2017. The latest versions of the Nova simH seem to be more picky about where the THROTTLE is set. On CPU Speed Now there is an updated version that includes the System Initialization Routine (SIR) which is what configures IRIS during the… On REX source now availble Added REX source listings and a new ASMX process which is a modified ASM, which can now assemble a source… On Diablo 31 — Generic LU 0 Added new ASMX processor, capable of assembling a textfile of any size (ASM could only handle 128 blocks). Also included… On Diablo 31 — LU7 Support If IRIS executes a HALT instruction (which may happen after a TRAPFAULT), the simulator will drop out to the 'sim>'… On Getting Started load more comments