Radio Shack TRS-80 Model 3 - Page 77

$CSOUT- 612/X'0264'
Outputa Byteto Cassette
After writing the headerwith $CSHWR, use $CSOUT to write the data, one byte at a
time.
Note: You must call $CSOUT often enough to keep up with the baud rate (either 500
or 1500 baud).
Entry Conditions
A =Data byte.
ExitConditions
None
Sample Z-80 Programming
See$CSHWR.
$DATE-12339/X'3033'
GetToday's Date
Entry Conditions
(HL) =Eight-byte output buffer
ExitConditions
(HL) =Date in this format:
MOIDA/YR
All otherregisters are altered.
Sample Z-80 Programming
B--BYTE BUFr'::ER
B-BYTE BUFFER
TI ME GOES HERE
ASCII SPACE
DATE GOES HERE
END OF LINE
(HL)=TIME/DATE
MSG.
DISPLAY TIME/DATE
GET TODAY'S DATE & TIME
LD HL.,TXT2
CALL DATE
LD HL,TXT3
CALL TIME
LD HL,rXT3
CALL VDLINE
JP READY
DEFS 8
DEFB 20H
DEFS 8
DEF8
0DH
00100
00101
00102
00103
00104
00105
00106
00107
00108 TXT3
00109
00110 TXT2
00111
210883
CD3330
21FF82
CD3630
21FFB2
CD1802
C3191A
20
0D
82EA
El2ED
82F0
B2F3
82F6
El2F9
82FC
82FF
8307
8308
8310
12/9