:: Autoindexing, Indirect addressing, and the DCA instruction with :: "minimal" testing for interrupt, AND, TAD, ISZ, JMS, JMP and :: processor IOT instructions. echof -n "** PDP-8/E: Basic Instruction Test (2): " load diags/maindec-8e-d0bb-pb.bin :: Patch address 3740 with HLT, otherwise the test will loop every :: 1550 iterations and send BEL to the TTY. We really do want the :: test to halt. dep 3740 7402 dep sr 0 go -q 200 if (PC != 03741) echof "MAINDEC-8/E-D0BB failed."; exit 1 echof "passed"