Table of Contents
Advertisement
Sample program
VRAM data
0
0
8
1
CROM data
0 8 0 0 H
0 8 0 F H
0 8 1 0 H
0 8 1 F H
0 C 0 0 H
0 C 0 F H
0 C 1 0 H
0 C 1 F H
If the CROM data and VRAM data are specified as shown above, the display on the screen varies depending
on the CROM bank.
The CROM bank is specified by CROMBNK (b
The following description applies to the above example.
(1) CROMBNK = 0
Display "CH" appears on the screen. The control data used in this case is "control data 1".
(2) CROMBNK = 1
Display "VO" appears on the screen. The control data used in this case is "control data 1".
1
2
3
4
5
0
0
0
0
1
" C "
; Control data 1
" H "
; Control data 2
" V "
; Control data 1
" O "
; Control data 2
at 30H).
0
6
7
8
9
A
4
0
PD17062
B
249
Advertisement
Table of Contents
