Tag: Dos

Forms, components, event handlers, and the RAD mindset

Object Pascal, Turbo Pascal for Windows, OWL, and the first GUI shift

How long names become 8.3 aliases, and how collisions resolve

Treating DIR formatting as an API contract for automation

As architecture, not just reuse

Through tooling decisions, compile speed, and workflow discipline

The IDE that trained a generation

Compiler, linker, directives, ABI shifts, and language growth

Driver packaging, linked vs dynamic assets, and rendering diagnostics

FAR calls, memory models, and real-mode link strategy under pressure

TPU, OBJ, MAP, and EXE artifacts read like evidence

Editor, compiler, linker, debugger, units, and artifact flow

Hands-on overlay packaging, runtime setup, and deployment in Turbo Pascal

Scrolling worlds, chunk loading, and scene-scale memory budgets

Masked blits, transparency, draw order, and palette animation

Plane-aware pixels, centralized clipping, and page-target drawing

VGA planes, off-screen pages, and why games left Mode 13h

Graphics programming without illusions

Negotiating IRQ, DMA, and I/O on DOS-era PCs

INT 10h, 16h, and 21h as DOS-era interaction surfaces

Runtime policy before your application loads

A DOS chronicle

Dynamic drivers, linked drivers, and startup harnesses in Turbo Pascal

DOSBox-X, the classic IDE, and a 3 KB RTC utility

Interactive menus with GOTO, CHOICE, and no real variables