Locomotive BASIC - RSX Multi-Coloured Modes by TA Shah

[ComSoft6128]

Type-in from the February 1987 issue of Amstrad Action.
The program is Listed in the video.

From AA (courtesy of CPCRulez):
"Ever wanted twice as many colours in all modes? TA Shah of Blackburn, Lancashire, has written a fantastic utility that will allow four colours in mode 2, eight in mode 1 and all 27 in mode 0. As a consequence of the programming technique involved, when you issue a MODE command, the screen will flicker and look unsightly. To overcome this, several RSX commands have been included -these are commands preceded by a bar (|).

These are the extra commands and how to use them:

|MODE,n changes to mode n - fairly obvious,
|lNK sets all the inks to be used by the interrupt routine. The inks are set by the operaring system's usual INK command, but instead of the inks flashing when the second colour is used, the first number is used to display one colour and the second to display the other. You use it following the usual command, like this:
This will display 2 separate colours on different parts of the screen - they will not flash.

|SIZE,n sets the size of the display area for the different colours, n must be a whole number between 1 and 5:
1 displays only one colour
2 - a quarter ore colour
3 - half one colour and half the other
4 - three-quarters one colour
5 - all the other colour.
|ON switches on the interrupt routine.
|OFF returns your Amstrad to normal.
When the routines are on, all colours are changed because they are being flipped in the pallette memory. The second program is a demo, showing off exactly what it can do."



Link:
https://cpcrulez.fr/applications_util-amstrad_action-multi-coloured_modes.htm

Best viewed on a large screen at 720p (Dailymotion player setting)

Not emulated - original hardware and software.
Please note that the aspect ratio for this video is 16:9 but the CPC monitor has
an aspect ratio of 4:3 so you may wish to adjust your viewing device accordingly.