F4-IOS

* NAME: F4-IOS DOC 41285251000 REV C PAGE 7

0301 * THE PROGRAM HALTS DISPLAYING THE KEYWORD IN THE A-REGISTER. THE 0302 * KEYWORD SHOULD BE CORRECTED BY RESETTING THE A-REGISTER AND THE 0303 * COMPILATION RESTARTED BY PRESSING 'START'. 0304 * 0305 * WHEN AN UNUSED INPUT/OUTPUT DEVICE CODE IS ENCOUNTERED THE 0306 * FOLLOWING ERROR MESSAGE IS TYPED ON THE ASR: 0307 * 0308 * DEVICE? 0309 * 0310 * THE PROGRAM HALTS DISPLAYING THE KEYWORD IN THE A-REGISTER. THE 0311 * KEYWORD SHOULD BE CORRECTED BY RESETTING THE A-REGISTER AND THE 0312 * COMPILATION CONTINUED BY PRESSING 'START'. 0313 * 0314 * THE ERROR MESSAGE 'MT' IS TYPED ON THE ASR IF:- 0315 * 0316 * 1) END OF TAPE IS ENCOUNTERED OR 0317 * 2) A RECORD IS UNREADABLE 0318 * 0319 * IF THIS ERROR OCCURS THE PROGRAM WILL HALT DISPLAYING THE KEYWORD 0320 * IN THE A-REGISTER. THE NEXT COMPILATION IS COMMENCED BY RESETTING 0321 * THE KEYWORD IF NECESSARY AND PRESSING START. 0322 * 0323 * 0324 ************************************************************************ 0325 * 0326 * 0327 SUBR F4$INT,INT INITIALISE 0328 SUBR F4$IN,IN SYMBOLIC INPUT 0329 SUBR F4$IER,IERR INPUT DEVICE CODE ERROR 0330 SUBR F4$OUT,OUT BINARY OUTPUT 0331 SUBR F4$OER,OERR OUTPUT DEVICE CODE ERROR 0332 SUBR F4$SYM,SYM SYMBOLIC OUTPUT 0333 SUBR F4$LER,LERR LIST DEVICE CODE ERROR 0334 SUBR F4$END,END CLOSE I/O DEVICES 0335 SUBR F4$FIN,FIN FINISH HALT 0336 SUBR F4$KEY,KEY KEYWORD 0337 SUBR G$NA DEVICE NOT AVAILABLE 0338 * 0339 * 0340 EXT LIBF LIBRARY FLAG 0341 * 0342 * 0343 CF5 H316 AND H516 0344 REL RELOCATABLE 0345 * 0346 * 0347 * INITIALISE 0348 * 0349 00000 0 000000 INT DAC ** RETURN ADDRESS 0350 00001 0 10 00433 JST INTC SPLIT KEYWORD