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- HOW TO USE fig-FORTH 8080 CP/M
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- 1. Boot CP/M (or CDOS).
- None of the disks supplied is bootable; you must use your
- own.
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- 2. Insert the disk labeled "fig-FORTH 8080 CP/M v1.3" in drive A.
- A "DIR" will show:
- FORTH130.ASM the assembly source file
- FORTH130.COM above assembled for 32K bytes of memory
- and two 8" single density disk drives
- FORTH130.USE this explanation.
- If the your system is different from that described for the
- COM file, you can reassemble the ASM file using CP/M's
- assemblers ASM or MAC (not supplied).
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- Enter "FORTH130" and a carriage return.
- After Forth is loaded and initialized, you should see:
- 8080 fig-FORTH 1.3
- Remove this disk from drive A. Do not write on it using Forth
- because Forth does not use CP/M's directory or file structure.
- You can put other CP/M files on it using PIP (or XFER).
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- 3. Insert an empty (but formatted) disk in drive A. This
- will become your "Forth screens disk." It will not be
- compatible with CP/M's file system; it should be used
- only by Forth. Use Forth's editor to put text onto this
- disk and LOAD to compile source programs. First, use
- the editor to put error messages on screens 4 and 5
- (see the Installation Manual). Be sure to enter FLUSH
- after editing. All FORTH words must use upper case letters.
- Then say 1 WARNING ! to use the error messages.
- Try using . when the stack is empty; you should
- get the STACK EMPTY message.
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- If you have a printer which works with CP/M, you can use
- it with this Forth by entering Control-P to turn it on or off.
- The first Control-P turns it on, the next turns it off, etc.
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- See the fig Installation Manual for a Glossary listing the
- words available and for how to use the Editor. You can enter
- "VLIST" any time to see what words are usable. To terminate
- a VLIST before it is finished, enter any character.
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