Radio Shack Quick Printer II Operation Manual

Computer Graphics
Operation Manual
TRS-BO@
~
~~~97
LD
A,C
~fl~98 OR
A
~flfl99
CALL
NZ,3BH
~fl1flfl POP DE
~fllfll RET
~fllfl2
.
,
~fl1fl3
INITG --
Initialize
Model III Graphics
Board
~fllfl4
.
,
~fl1fl5
INITG
LD
A,1flH
~fllfl6
OUT
(236) ,A
;Turn on port
flfllfl7
LD
BC,15
~fl1fl8 LD
HL,DATA
~fllfl9
LOOP
LD
A,B
;Program CRTC
chip for 8~ by 24
flfl11~
OUT
(136) ,A
~fl111
LD A, (HL)
~fll12
OUT
(137) ,A
~fl113
INC HL
~fl114
INC B
~fl115
LD A,B
~fl116
CP
C
~fl117
JR
NZ,LOOP
~fl118 RET
~~119
DATA
DEFB 99
~fl12fl
DEFB
8~
~
~fl121
DEFB 85
~fl122
DEFB
8
~fl123
DEFB 25
~fl124 DEFB
4
~fl125 DEFB
24
~fl126
DEFB 24
~fl127
DEFB
10
~fl128
DEFB 9
~fl129
DEFB
10
~fl13f1 DEFB
~
~fl131
DEFB
~
~fl132
DEFB
10
f1fl133
DEFB
10
f1fl134
DEFB
10
~fl135
;
~fl136 BGMODE
DEFB 12H
~fl137 EGMODE
DEFB
lEH
1010138
CTL
DEFB
10
;Print 214
char, followed by null
f1fl139
DEFB 214
~fl14~
BUF
DEFS
64~
~f1141
DEFB
10
;Filler
~f1142
DEFB
f1DH ;Carriage return
~fl143
DEFB
~
;End of buffer signal
f1fl144
X
EQU
8f1H
~fl145
y
EQU
81H
~
lIadl8l11aell
-85-

Radio Shack Quick Printer II Specifications

General

Brand	Radio Shack
Model	Quick Printer II
Category	Desktop
Language	English