Radio Shack TRS-80 - Page 98

Computer Graphics
TRS-BO®
Operation Manual
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~47
LD
HL,DATA
~48
LOOP LD
A,B
iProgram CRTC
chip for 8~ by 24
~49
OUT
(136) ,A
~5~
LD
A, (HL)
~5l
OUT
(137),A
~52
INC
HL
~53
INC
B
~54
LD A,B
~55
CP
C
~56
JR NZ,LOOP
~57
RET
~58
DATA DEFB
99
~59
DEFB
8~
~6~
DEFB
85
~6l
DEFB
8
~62
DEFB
25
~63
DEFB
4
~64
DEFB
24
~65
DEFB
24
~66
DEFB
~
~67
DEFB
9
~68
DEFB
~
~69
DEFB
~
~7~
DEFB
~
~7l
DEFB
~
~72
DEFB
~
~73
DEFB
~
~74
i
~75
END
GCLS
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