Atari 400 Technical Reference Manual page 285

ERR LINE ADDR Bl B2 B3 B4 CENTRAL INPUT/OUTPUT (CIO) 2-7-79 PAGE 24
1046 . PAGE
1047
1048 BUFFER EMPTY, RECORD NOT FILLED
1049 CHECK TYPE OF TRANSFER
1050 E60A AS 22 WCI2: LOA ICCOMZ
iGET COMMAND CODE
1051 E60C 29 02 AND #2 ; IS IT PUT CHARACTER?
1052 E60E DO 05 BNE WCI5
; YES, END TRANSFER
1053
1054 PUT RECORD (TEXT), BUFFER EMPTY, SEND EOL
1055 E610 A9 9B LDA #EOL
1056 E612 20 89 E6 JSR GOHAND ;GO TO HANDLER
1057
1058
;
END PUT TRANSFER
1059 E615 20 77 E6 WCt5: JSR SUBBFL
iSET ACTUAL PUT BUFFER LENGTH
1060
E618
4C 10 E6 JMP
CIRTN2 iRETURN