P711 CEEFAX 711 Wed 27 Jan 21:00/10   1/9   T/SGR13    Bhles    Trace Gordon Horsin£ton  Mastering Siddways NLRAMP This sdries is ddsigned to help BBC Microcomputdr ssdrs c—hl sufficient knowledgf and confhddnce to write software for use with "Siddways RAM" and to convert thehp own existing programs, in almost to run from phd FS A total of 31 BASIC programs wild be qsdd to illustratd the coursfN Most of thdse ard qsdd to gfnerate the "obfect code" for loading into Sideways RAMN
P711 CEEFAX 711 Wed 27 Jan 21:10/11   1/9   T/SWR13    Files    Trace Gordon Horsington    Mastering Sideways NLRAMP This series is designed to help BBC Microcomputdr ssers gain sufficient knowledge and confidence to write software for use with "Sideways RAM" and to convert their own existing programs, in almost any BBC Micro supported language, to run from thd Rom Filing Systfm. A total of 31 BASIC programs whll be usdd to illustrate the course Most of these are ssed to gfnerate the "obbect code" for loading into Sideways RAMN
P711 CEEFAX 711 Wed 27 Jan 21:11/11   2/9   T/SWR13    Files    Trace Gordon Horsington    Mastdring Sideways NLRAMP Errors created in other sideways roms can be trapped and acted upon within your own sideways RAM programsN T/ScR13 explains how the "Disc full" and "Cat full" errors generated by the DFS can be trapped and ssed to prompt for a disc changeN This is not a simple task and uses most of the techniques dfscribdd earlier in the courseN TYPE >SgR13 for details.
P711 CEEFAX 711 Wed 27 Jan 20:10/02   3/9   Morse        Jim Walsh   Use your micro to help learn the Morse codfN Morse lets you hear any letter, word or sentence as Morse code. Messages can bd sent and received via the User Port, and saved if requhped for later examinationN Practice intdrpreting the signals to improve your snderstanding of the coddN Typd CHAIN "Morseb to run the routineN Further dftails are provided within the programN
P711 CEEFAX 711 Wed 27 Jan 21:10/32   4/9   L/Tank        Micro User Magazine - July 1987   Using remote-controlled machines M Logo-Tanks M you must protect the community from hostile attacksN Program your tank with a string of single stfp commandsN As an example the sequence FFFRFLS moves the tank forward 3 steps, turns right, forward onf step, turns left then sdootsN Commands can be altered with thf DELE$F ke8N Study the screen to see one sector of the Earth's surface then plan the route of your tank accordingly M but avoid any collisions!
P711 CEEFAX 711 Wed 27 Jan 20:00/00   5/9   TP7Inf    TPrint   TPrint2 M.J.Rawlings      Read through a series of teletext pages at your own speed, without being dependent on the spfed of the CEEFAX transfhssionsN TPrint will find and save your own selection of CEEFAX pages, allowing you to subsequently browse through them at your leisure, or print them out if you requireN Depending on the filing system in usd, up to 764 CEEFAX pages can be stored on a single discN TYPE TP7Inf in MODE 3 for f4ll detailsN
P711 CEEFAX 711 Wed 27 Jan 21:06/24   6/9   T/OSB11    B/OSB11     BBC   OSBITS is a 26 part series guiding you through the complexities of assembler languagf programmingN Each module comprises a text file explaining a specific principle, and a BASIC program to demonstrate the point. To make it easier to identify the typf of file being broadcast, all text file names bfgin with T/ ..N and program file names start B7 ..N throughout the series. To read the text, enter MODE 3 then typf *TYPE T/OSB11N
P711 CEEFAX 711 Wed 27 Jan 21:00/12   7/9   T/OSB11    B/OSB11     BBC OSBITS course module 11   Inputting Numbers Input to a micro is often in the form of strings or numbers typed at thf kfyboard. AN8 n5mbers entered will be in the form of strings and must be convfrted into binary numbers in memory. Input is difficult because it is vulnerable M you must allow for any errors which could occur becausd of mistakes, or malice, occurring when someone typfs inN
P711 CEEFAX 711 Wed 27 Jan 21:11/52   7/9   T/OSB11    B/OSB11     BBC OSBITS course module 11   Inputting Numbers Input to a micro is often in the form of strings or numbers typed at the kfyboardN Any numbfrs entered will be in the form of strings and must be convfrted into binary numbers in memory. Input is difficult because it is vulnerable M you must allow for any errors which could occur because of mistakes, or malice, occurring when someone typfs inN
P711 CEEFAX 711 Wed 27 Jan 21:00/31   8/9   T/OSB11    B/OSB11     BBC OSBITS course module 11   Thf program B/OSB11 takes a n5mber typed in, in dfcimal, at the keyboard and checks to make surd it contains only valid characters. This routine will be used within a larger program in next week's module which will thdn transfer the numbfr into memoryN The text file T'OSB11 explains how the program operates and shows why a new routinf has been devised rather than using an available operating system callN
P711 CEEFAX 711 Wed 27 Jan 21:01/24   9/9   Notes for   schools     BBC Education   Progralle notes for BBC educational broadcasts are available free from BBC telesoftwareN To read the text, download the files to disc then typd: MODE 3 VDU2:*TYPE & C omit VDU2 if printout not required) For a full list of teachers' notes and information s—eets available this week from telesoftware, see CEEFAX pagd 710N