MOS Integrated Circuit Data Sheet

268
µ PD17062
20.8 SAMPLE PROGRAMS
The following sample program generates a display shown below.
The RAM names of VRAM are defined as follows (tentative):
NEC
CH 02
.......
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CH 02
Display on the TV screen
Column Column
Row 0
Row 5
4
3
2
1
01 23 45 67
0
1
2
VRAM0 VRAM1 VRAM2 VRAM3 VRAM4 VRAM5 VRAM6 VRAM7
89ABCDEF
0
1
2
VRAM8 VRAM9 VRAMA VRAMB VRAMC VRAMD VRAME VRAMF
VRAM map (BANK2)
VRAM0 MEM 2.00H
VRAM1 MEM 2.01H
VRAM2 MEM 2.02H
VRAM3 MEM 2.03H
VRAM4 MEM 2.04H
VRAM5 MEM 2.05H
VRAM6 MEM 2.06H
VRAM7 MEM 2.07H
VRAM8 MEM 2.08H
VRAM9 MEM 2.09H
VRAMA MEM 2.0AH
VRAMB MEM 2.0BH
VRAMC MEM 2.0CH
VRAMD MEM 2.0DH
VRAME MEM 2.0EH
VRAMF MEM 2.0FH
; * * RAM SET * *