Intel 9800758-02 manual Figure E-3. PL/M-80 Program

Page 92

Calling Non-BASIC-SO Subroutines

BASIC-SO

 

 

 

ISIS-II PL/H-8B Vl.l COMPILATION OF MODULE PLHHODULE OBJECT ",oDULE PLACED IN :Fl:USRPLM.OBJ

COMPILER INVOKED BY: PLH8B :Fl:USRPLH.PLH

PLM:$HODULE:

 

 

DO;

 

 

 

2

1

USRPLH: PROCEDURE(PRESULT,PARGA;PARGB,PARGC);

3

2

DECLARE

(PRESULT,PARGA,PARGB,PARGC) ADDRESS;

4

2

DECLARE

(RESULT

BASED

PRESULT~

 

 

ARCA

BASED

PARCA.

 

 

 

ARCS

BASED

PARCB.

 

 

 

ARCC

BAseD

PARCe)

ADDRESS;

5

2

RESULT=ARGA+ARG8+ARGC;

 

6

2

END USRPL";

 

 

1END PLIUHOOULE;

CODE AREA

SIZE

 

BB32H

SBD

VARIABLE

AREA

SIZE

BlUSH

SO

~AXI"U" STACK

SIZE

BBB4H

40

11 LINES

READ

 

 

 

a PROGRAM

ERROR(S)

 

 

Figure E-3. PL/M-80 Program

FORTRAN

COMPILER

1

FUNCTION IRTN(IARCA,IARGB,IARCC)

2

IRTH=IARGA+IARG8+IARGC

3

RETURN

4

END

CODE AREA SIZE

 

BB20H

450

VARIABLE

AREA

SIZE

OBB8H

SO

HAXI"UH

STACK

SIZE

BBB4H

40

4 LI NES

READ

 

 

 

B PROGRAM ERROR(S) IN PROGRAM UNIT IRTN

B TOTAL PROGRAM ERROR(S)

END OF FORTRAN COMPILATION

Figure E-4. FORTRAN-80 Program

E-6

Image 92
Contents BASIC-SO Reference Manual A108/0979/7500 FL Preface Page Contents Illustrations Chapter Introduction to BASIC-80 Invoking BASIC-80Examples Introduction to BASIC-80Basic filename MEMTOPaddress FilenameListing the Directory of a Disk Renaming a FileChanging File Attributes Deleting a FileYou can now run, list, or edit the program Save LP ,ACommands StatementsBASIC-80 Commands Contd BASIC-80 StatementsBASIC-80 Statements Contd BASIC-80 FunctionsBASIC-80 Functions Contd Representing Data FunctionsConstants Integer ConstantsDecimal Integer Constants Hexadecimal Integer ConstantsDouble-Precision Floating-Point Constants Octal Integer ConstantsSingle-Precision Floating-Point Constants String Constants String VariablesThis is a string constant $ = Enter next data stringL4! = Csng l4 YI,1String Arrays Arithmetic Operators BASIC-SO Operators in Order of Precedence ContdLogical Operators String OperatorNumeric Expressions String ExpressionsEntering and Editing Programs 30 A=8*52 30 A=830 A=8*52 30 A=8*37 30 A--=8xx*522537 Control-R a = 8*37Subcommand Command 3D press 3, then D resultsInteger D If AB thenIf AB then 120 Else Null SET Syntax of the X subcommand is At this point, the other editing subcommands may be usedPrint Undefined SET The E subcommand is entered Integer C character characterMove the cursor to PRINT. Enter 2C RE L Print Undefined SET. Enter a LOverflow, Underflow, and Divide-by-Zero BASIC-80 Error MessagesSyntax Error Messages Error Trapping Trace Facility Error Simulation Error HandlingRestarting Program Execution If line 40 is replaced withOpening a Sequential File Open 1,#1,F1DATESRefer to for further details of Print Using Writing to a Sequential FileReading from a Sequential File If executed four times, it would read all eight valuesClosing a Sequential File Value of R$ would beField #3, 20 AS N$ BuffersDefining a Random 1/0 Field-FIELD Disk File Input/Output Field #3, 20 AS N$, 9 AS SS$Opening and Closing a Random Disk File Reading from a Random 1/0 FileAny of the parameters can be variables To read the next recordWriting to a Random 1/0 File IntegerSingle-precision value Double-precision valueMKI$ Attrib Fdrive numberfilename, W1 Attrib Fdrive numberfilename, WOAuto first lineJ, increment Clear expression,addressCommands and Statements CloseDEF FNX Rules for function name are the same as for variable nameDefsng Defdbl Defstr Defint DIM DeleteError DIREdit ENDError expression ExitField FOR-NEXT-STEPGET GosubFor variable=expression to expression Step expression GET I file number ,record numberGoto IF-THEN-ELSEInput Kill LETLine Input ListLSET, Rset LoadMerge NEWNext 9 16Open On ... GosubOn ... Goto Poke Option BaseOUT String Fields Print UsingPrint Numeric fields If X$=SEVEN and Y$=EIGHT, the results of line 40 would bePrun PUTRandomize ReadREM Resume ReturnSave RUN line numberlstring expression ,FLine number RUN filename 60 ENDTRON, Troff ? 5,8,2Wait WidthABS ATNFunctions CHR$Cint Csng CVI CVS10 A# = 1.00/3.00 AO/o =Dskf EOFFIX Ok·Inputs HexsINP LEFT$ INTInstr LEN LOCLOF LOGOCT$ MID$MKI$ MKS$ MKD$ Rights Peek expressionPOS integer RIGHT$ string,integerSGN SINSpaces 10 a =1SPC SPC integerIf A$ = 2 then Print Correct Else Goto SQRexpressionTAN expression STR$ expressionTAB expression Here is an example of how the USRn statement is used 60 AO/o =Appendix a BASIC-SO Error Codes Table A-I. BASIC-80 Error CodesTable A-I. BASIC-SO Error Codes Contd Appendix B BASIC-SO Reserved Words Page To halt program execution and return to command LevelTo tab across the line To resume program execution after it is stopped byPage Table D-l. Ascii Code List Appendix D Ascii CodesTable D-2. Ascii Code Definition BELAppendixe Calling Subroutines Figure B-1. Internal Representation of Numbers and Strings Some Real Examples RESULT=USR%1VARPTRA, VARPTRB, VARPTRC» PRINTA+B+C= ResultFigure E-2 /8085 Assembly Language Program Figure E-3. PL/M-80 Program Appendix F RMX/SO BASIC-SO Initializing the Predefined RMX/SO BASIC-SO Configuration ISIS-II BASIC-SOTable F-l. Sample Configuration Jumper Wiring OOOOH-OFFFHGenerating Boot-Loaded and PROM-Based Versions BASIC-80 Source FilesBASIC-80 Object Files BASIC-80 Executable FilesGenerating a Boot-Loaded RMX/80 BASIC-80 That are not boot loaded This option is used to allocate memory. It is 1 if the bootSetting baud rates, refer to the RMX/SO Users Guide This option enables your user-written I/O drivers if youISBC 80/20-4 Generating a PROM-Based RMX/80 BASIC-80 Prom F1 RMX820.L1BSTART, & FOBASCM.OBJ,& FORMXBAS.LlB F1 DFSDIR. L1BDIRECTORY ,RENAM E,& F1 MTI810.L1B Configuring DFS on an iSBC 80/10 Adding BASIC-SO to an Existing RMX/SO ConfigurationConfiguration Requirements ISBC SO/10 System ClockPublic Variables Adding User-Written I/O Drivers to RMX/SO BASIC-SO Open 0,#1, L1LlSTFigure F-S. Sample User-Written 1/0 Driver Routine Altering BASIC-80 Workspace Burning a BASIC-80 Program Into PromBaprom F1HEATER.BAS Page Index Ase BASIC-80 RIGHT$,7-1O Request for Readerscomments 111111