Tandy Coco Basic programs are stored in a tokenised format. If you was to write to them outside an emulator,…
TRS-80 Coco 6809 ASM Hello World
The Tandy Color Computer from the 1980’s uses a Motorola 6809 microprocessor. If you want to get started with assembly…
Tandy Coco 2B true lowercase fonts
The original Tandy Coco I did not have lowercase letters, but instead had reversed color version of the uppercase characters…
Tandy Coco TRS-80 HTML text mode block graphics
The Tandy Coco 8-Bit personal computer from the 1980’s uses the MC6847 Video Display Generator (VDG) chip to generate low-res…
Creating COM files from Debug scripts in DOSBox
To get around the issue of Debug.exe hanging while attempting to redirect input from a text file into DOS debug…
MASM / TASM 16 Bit COM File
; filename: com.asm ; to assemble: ; MASM.EXE com.asm,,,, ; or: ; TASM com.asm ; then: ; LINK.EXE com.obj,,,, ;…
NASM 16-bit EXE file example
This is an example Hello World ASM 16 Bit x86 assembly program which can be compiled and linked into a…
Discrete TTL NAND Gate
Have you ever seen the diagrams from textbooks or datasheets describing the internal workings of and NAND IC and wanted…
Basic loader that shows how to poll for the run/stop key in C64 assembly
This is a basic loader that shows how to poll for the run/stop key in C64 assembly. It just loops…
Open Watcom DOS 16bit EXE ASM Hello World
Build with Open Watcom Assember as a DOS 16Bit EXE Run in Windows 98 or DOSBox
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