But how fast is an IBM PC 5150 compared to a PCjr ? or to a Tandy 1000? or how fast is the Tandy 1000 HX in fast mode (7.16Mhz) compared to the slow mode (4.77Mhz) ? Or how fast is a nop compared to a cwd ?
I created a test (perf.asm) that measures the performance of different opcodes and run it on different Intel 8088 machines. I run the test multiple times just to make sure the results were stable enough. All interrupts were disabled, except the Timer (of course). And on the PCjr the NMI is disabled as well.
IBM PCjr zero-day data-destroy vulnerability (AKA: Joykill).
This vulnerability allows local and remote attackers to destroy the contents of the floppy diskette. User interaction is required to exploit this vulnerability. The issue results from the lack of proper validation when starting the manufacturing system test.
With PVM with released an intro for the Tandy 1000 HX.
The Tandy 1000 HX uses the Intel 8088-2 CPU. Which is a suuuuper slow CPU (slower than the 8086). With all its wait states and its limitations on the video card (no hardware sprites, no charset redefinition) it makes it comparable with a Commodore 64. In fact, for certain things a Commodore 64 if way faster.
Volví de viaje. Llego a casa con ansias de encontrarme con la Commodore Plus/4 que había pedido por Ebay. El email decía que la habían dejado en la puerta de casa el viernes a las 3:54pm. Yo llegué a casa el sábado a las 11:58am.
La busqué pero no la encontré. Ni en la puerta de casa. Ni en ningún lado.
(Vaya sorpresa se habrá llevado el ladronzuelo al abrir la caja).
In February 2008, at Los Cocos, Córdoba, Argentina, we started the “Los Cocos” Python game engine. We later renamed it Cocos2d. The idea was to create a game engine for the games we were creating for PyWeek.
We started the game engine with Lucio Torre, Daniel Moisset, Rayentray Tappa, and I, with the help of Alejandro Cura and other members of PyAr.