Figure 4-8 Window And Display Memory Settings; Figure 4-9 Example Of Display Memory Mapping - Epson S1D13700 User's & Technical Manual

0000H
SAD1
FY
CSRA
L/F
0000
SAD1
SL1
0300
0400
0800
SAD2
SL2
2000
2800
4440
SAG
4800
4A00
F000
S1D13700 Technical Manual
FX
CRY
CRX
C/R

Figure 4-8 Window and display memory settings

(MSB) (LSB)
D7 – D0
Page 1
Page 2
Page 1
Page 2
CG RAM
Unused
CG ROM
<Display memory>

Figure 4-9 Example of display memory mapping

AP
(MSB) (LSB)
D7 – D0
A (code) 0000
B 1
C 2
X E
Y 02FF
a (code) 0800
b 1
g
2
c
1FFF
(MSB) (LSB)
–
HEX D7 D0
70 01110000 #4800
88 10001000 1
88 10001000 2
88 10001000 3
F8 11111000 4
88 10001000 5
88 10001000 6
00 00000000 #4807
Example of
character A
EPSON
4: FUNCTION DESCRIPTION
Window (display area)
Display memory space
(VRAM virtual screen)
[FX] ≤ 8 Dots
[FY] ≤ 16 Dots
[CRX] ≤ 8 Dots
[CRY] ≤ 16 Dots
[C/R] ≤ 240 Bytes
≤ 256 Lines
[L/F]
≤ 64K Byte
[AP]
ABC
<Screen display>
a
(MSB) (LSB) (MSB)
D7 D0 D7
<Enlarged view of layered screen>
FFFFH
XY
b
(LSB)
D0
63