Author: François Vander Linden

The 6502 Spreadsheet ASseMbler has been updated to v1.1.0.In this version: the ability to use ORG anywhere in your code so you can start a new code section in another address support for #label, #<label and #>label with HEX opcode so you can reference addresses, MSB and LSB (of course this was already possible with real 6502 instructions like LDA, STA, etc.) display of the cycle count for each line of code a few bugfixes You can Download 6502 SpASM…

I am currently working on AMPER-SPRITE, an Ampersand utility to DRAW and XDRAW sprites created with BITMAP ANIMATOR (an evolution of the BITMAP CREATOR spreadsheet). No release date yet 6502 code was created using the 6502 Assembler-In-A-Spreadsheet which is an integral part of the BITMAP ANIMATOR.This video shows a first speed test.For now the syntax is the following: &DRAW N AT X,Y will direct-draw a sprite on the hires screen. &XDRAW N AT X,Y will XOR-draw a sprite on the…

Modern Apple ][ software development involves using modern tools like emulators, modern IDE, 6502 assemblers, etc. One thing I haven’t found yet is a way to create sprites for the Apple ][ on a modern computer. I’d like to share a tool I wrote that allows you to create hires sprites/bitmaps for Apple ][ using Excel (it also works with OpenOffice and LibreOffice). This Excel spreadsheet features 4 different editors that let you virtually turn on/off bits of the hires…