Atari 400 Technical Reference Manual page 283

ERR LINE ADDR B1 B2 B3 B4 CENTRAL INPUT/OUTPUT (CIa) 2-7-79 PAGE 22
975
. PAGE
976
977 BUFFER FULL, RECORD NOT ENDED
978
DISCARD BYTES UNTIL END OF RECORD
979 E5AC A5 22 RCI2: LDA ICCOMZ iGET COMMAND BYTE
980 E5AE 29 02
AND
#2
i
IS IT GET CHARACTER?
981 E5BO DO 11
BNE RCI4
i
YES, END TRANSFER
982
983
. i
LOOP TO WAIT FOR EOL
984 E5B2 20 89 E6 RCI6:
JSR GOHAND iGET BYTE FROM HANDLER
985 E5B5 85 2F STA CIOCHR
i
SAVE CHARACTER
986 E5B7 30 OA BMI RCI4
i
GO IF ERROR
987
988 TEXT RECORD, WAIT FOR EOL
989 E5B9 A5 2F LDA CIOCHR
i
GET GOT BYTE
990 E5BB C9 9B CNP #EOL
i
IS IT EOL?
991 E5BD DO F3 BNE RCI6
i
NO, CONTINUE
992
993
i
END OF RECORD, BUFFER FULL -- SEND TRUNCATED RECORD MESSAGE
994
E5BF A9 89 RC I 11: LDA #TRNRCD
i
ERROR CODE
995 E5C1 85 23 STA ICSTAZ
i
STORE IN IOCB
996
997
i
TRANSFER DONE
998 E5C3 20 77 E6
RCI4: JSR SUBBFL
iSET FINAL BUFFER LENGTH
999 E5C6
4C lD E6 JMP CIRTN2
i
RETURN