Understanding Modes, Colours And Graphics - AMSTRAD cpc 6128 User Instruction

Part 8: Understanding Modes,
Colours and Graphics ....
The Amstrad CPC6128 Colour Personal Computer has three modes of screen display
operation: Mode 0, Mode 1, and Mode 2.
When the computer is first switched on, it is automatically in Mode l.
To understand the different modes, switch on the computer and press the number 1
key. Hold it down until two lines are full of 1 'so If you now count the number of 1 's on a
line, you will see that there are 40. This means that in Mode 1, there are 40 columns.
Press [RETURN] - you will get a S y n
t
a x err
0
r message, but don't worry, this is
just a quick way of getting back to the Rea d y message that tells you the computer is
waiting for your next instruction.
Now type in:
mod e 0 [RETURN]
You will see that the characters on the screen are now larger. Press the number 1 key
again and hold it down until two lines are full of 1 'so If you count the number of 1 's on
a jip.e,3_ou
will
see there are 20. This means that in Mode 0, there are 20 columns.
Press [RETURN] again.
Now type in:
mod e 2 [RETURN]
You will see that this is the smallest mode, and if you again type in a line of 1 's, you
will count 80. This means that in Mode 2 there are 80 columns.
To recap:
Mode 0
=
20 columns
Mode 1
=
40 columns
Mode 2
=
80 columns
Finally, press
[RETURN]
once again.
Foundation Course Chapter 1 Page 47