#INVISION XS EMULATOR HOW TO#
#INVISION XS EMULATOR MAC OS X#
#INVISION XS EMULATOR CODE#

(it is easier to copy paste it in the browsers emulator and be able to modify it more easy here: When you make them longer, the emulator ignores them.ДЄ good place to see all PETSCII character codes is here: Reminder: Lines in Basic should not be longer then 80 chars. Reminder: In C64/Microsoft basic a variable name is only two characters long max. NOTE: Petscii chars have different values in the PRINT or the VPOKE commands. SI and PI (StoneImage and PlayerImage) are Petsci chars, that are used in the game. NOTE: Even though the screen is 40 chars long, to get to VPOKE address of the next line, you need to add 256 bytes. On line 52 the bottom of the screen offset is calulated. So the text screen address = 0 (not like on the C64)

VPOKE 0,0,x, pokes a character on the top level corner of the screen.

#INVISION XS EMULATOR CODE#

Adding the actual character into the code listing, makes it hard to edit outside the emulator. There is no 'global' background colorД¬HR$(113) is used to draw the Petscii circle character, used on the title screen. Unlike the c64 each char has its own background color. The color command is used to set character fore and background colors. The SCREEN command is used to set the screen in text mode (Petscii) 40x30 I added many REMs in the code, in order so it can be understood, and it is more of a tutorial, then a 'real' game.ДЇrom line 300, the game over screen is drawn This was done, because in the browser you cannot save it, and see it on disk (as far as I know) When I wanted to save it, I copy-pasted it into the installed emulator (hats off for who added he paste function there), and types the save command. I really like the way you can use the emulator in the browser, as it allows you to type in basic inside the browser, using 'regular key mappings', and the run it. What surprised me was that I needed a delay in the code in order to have it not run too fast.

#INVISION XS EMULATOR HOW TO#

In the code for this game you can see practical examples, on how to set characters on the screen, read characters from the screen, change colors for characters, listen to the keyboard, set a screen mode. To me starting with a simple game in basic is how I learned about the c64, and now the X16, before jumping in machine language. This (version 0 of the game) is a very little game I wrote on the commodore 64 ages ago, I changed it a little to work with vpeek, vpoke, the new color command, and the new screen resolution.

We support operating systems that not even Microsoft and Apple themselves support anymore, such as macOS X on PowerPC Macs, and RetroArch being available on Windows OSes as far back as Windows 95.NOTE: If you just want to run the latest version of this game on the Web based emulator do like this.Дў.

#INVISION XS EMULATOR MAC OS X#

RetroArch can run on the usual platforms like Windows, Mac OS X and Linux, but it stands alone in that it can support far more platforms beyond just that.

Invision xs emulator