Tag Archives: pdp-8

SIMH PDP-8: Manually Loading the RIM Loader, the Binary Loader, and an Application from Paper Tape

(all PDP-8 blog entries can be seen by clicking here) In my blog entry Assembling/Compiling to SIMH PDP-8 Paper Tape and Executing the Paper Tape┬áProgram I loaded the Hello World test program into memory automatically using SIMH’s load command rather … Continue reading

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Compiling and Running ‘Hello World!’ in PDP-8 FORTRAN IV

(all PDP-8 blog entries can be seen by clicking here) Since I figured out how to assemble PDP-8 PAL assembly language, I figured I should try to compile a FORTRAN program. The PDP-8 has two FORTRAN compilers: FORTRAN II and … Continue reading

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Assembling/Compiling to SIMH PDP-8 Paper Tape and Executing the Paper Tape Program

(all PDP-8 blog entries can be seen by clicking here) Now that I have successfully assembled and executed the Hello World! program I thought it would be fun to write the program to paper tape, then load and execute it … Continue reading

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Getting the SIMH PDP-8 Paper Tape Punch (PTP) Installed

(all PDP-8 blog entries can be seen by clicking here) I wanted to experiment with reading/writing paper tape with the SIMH PDP-8 emulator; however, I discovered the distribution of OS/8 I have does not have the paper tape punch installed. … Continue reading

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Hello World! Program for PDP-8 Using PAL Assembly Language

(all PDP-8 blog entries can be seen by clicking here) Time to do something a little harder than adding two numbers together. For this program, I will write HELLO WORLD on the terminal. In most languages this is trivial. In … Continue reading

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Creating a Very Simple PDP-8 Assembler (PAL8) Program

(all PDP-8 blog entries can be seen by clicking here) Today’s objective is to write, assemble, and run an extremely easy PAL8 (PDP-8’s assembly language) program. First, let me enumerate some resources necessary to make this happen. If you haven’t … Continue reading

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Editing Files on a PDP-8 using OS/8 EDIT

(all PDP-8 blog entries can be seen by clicking here) I’ve made good strides toward my goal of assembling a test PDP-8 assembler program. Before I can assemble a program though, first I have to get it onto the PDP-8’s … Continue reading

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Running BASIC on the PDP-8 SIMH Emulator

(all PDP-8 blog entries can be seen by clicking here) I wanted to do a quick “Hello World” test in a programming language on the PDP-8 but it was not to be. Something is wrong with the standard BASIC interpreter. … Continue reading

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PDP-8 SIMH Emulator: Building and Formatting an RK05 Hard Drive

(all PDP-8 blog entries can be seen by clicking here) I was moving my last pdp-8 experiment onto my NAS for storage and noticed I had played with PDP-8 emulation 3 years ago. I knew I had messed with the … Continue reading

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Setting up a PDP-8 Emulator for Windows

(all PDP-8 blog entries can be seen by clicking here) I needed to do something totally different today and lately the PDP-8 has been in the back of my head. The PDP-8 was a super popular minicomputer in the late … Continue reading

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