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@ -84,7 +84,7 @@ A quick guide to using the Monitor program follows: |
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``` |
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Monitor Commands (all values in hex): |
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B - Boot system |
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D xxxx yyyy - Dump memory from xxxx to yyyy |
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D xxxx [yyyy] - Dump memory from xxxx to yyyy |
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F xxxx yyyy zz - Fill memory from xxxx to yyyy with zz |
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H - Halt system |
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I xxxx - Input from port xxxx |
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@ -108,10 +108,13 @@ returns to the Boot Loader prompt. |
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## Dump Memory |
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D xxxx yyyy - Dump memory from hex location xxxx to yyyy |
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D xxxx [yyyy] - Dump memory from hex location xxxx to yyyy |
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on the screen as lines of 16 hexadecimal bytes with their |
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ASCII equivalents (if within a set range, else a '.' is |
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printed). A good tool to see where code is located, check |
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printed). If the end address is omitted then 256 bytes is |
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displayed. |
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A good tool to see where code is located, check |
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for version id, obtain details for chip configurations and |
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execution paths. |
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@ -206,7 +209,7 @@ to load a program that has been assembled to a hex file on the |
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remote computer. |
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An excellent online resource for looking up opcodes for entry |
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can be found here: (https://clrhome.org/table) |
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can be found here: [https://clrhome.org/table](https://clrhome.org/table) |
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## Run program |
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@ -263,14 +266,7 @@ ROM | ROM DRIVE START | 04 | |
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ROM | ROM DRIVE END | 0F | 512K ROM SYSTEM |
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ROM | ROM DRIVE END | 1F | 1024K ROM SYSTEM |
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## NOTES: |
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The RTC utility on the CP/M ROM disk provides facilities |
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to manipulate the Real Time Clock non-volatile Memory. |
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Use the C or Z option from the Boot Loader to load CP/M |
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and then run RTC to see the options list. |
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# X-modem transfer |
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## X-modem transfer |
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T xxxx - Receive an X-modem file transfer and load it into |
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memory starting at location xxxx. |
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@ -281,16 +277,24 @@ protocol. |
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If the monitor is assembled with the DSKY functionality, |
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this feature will be exclude due to space limitions. |
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## NOTES: |
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The RTC utility on the CP/M ROM disk provides facilities |
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to manipulate the Real Time Clock non-volatile Memory. |
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Use the C or Z option from the Boot Loader to load CP/M |
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and then run RTC to see the options list. |
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# FORTH |
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CamelForth is the version of Forth included as part of the boot |
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ROM in ROMWBW. It has been converted from the Z80 CP/M version |
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published here (www.camelforth.com/page.php?5). The author is Brad |
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published here [www.camelforth.com/page.php?5](www.camelforth.com/page.php?5). The author is Brad |
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Rodriguez who is a prolific Forth enthusiast, whose work can be |
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found here: (www.bradrodriguez/papers/index.html) |
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found here: [www.bradrodriguez/papers/index.html](www.bradrodriguez/papers/index.html) |
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For those are who are not familiar with Forth, I recommend the |
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wikipedia article (en.wikipedia.org/wiki/Forth_(programming_language)) |
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wikipedia article [en.wikipedia.org/wiki/Forth_(programming_language](en.wikipedia.org/wiki/Forth_(programming_language)) |
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and the Forth Interest Group website [www.forth.org](www.forth.org) |
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## Important things to know |
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@ -332,7 +336,7 @@ allocated for addition words. Exceeding the allocated ROM space will generate an |
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message when building. |
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James Bowman's double precision words have been added from his RC2014 version: |
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(https://github.com/jamesbowman/camelforth-z80) |
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[https://github.com/jamesbowman/camelforth-z80](https://github.com/jamesbowman/camelforth-z80) |
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Word | Syntax | Description |
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--------|----------------------------|--------------------------------- |
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@ -344,8 +348,68 @@ M*/ | d1 n2 u3 -- d=(d1*n2)/u3 | double precision mult. div |
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# BASIC |
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For those who are not familiar with BASIC, it stands for Beginners All purpose Symbolic |
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Instruction Code. |
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ROMWBW contains two versions of ROM BASIC, a full implementation and a "tiny" BASIC. |
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The full implementation is a version of Microsoft BASIC from the NASCOM Computer. |
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A comprehensive instruction manual is available in the Doc\Contrib directory. |
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## ROMWBW specific features |
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- Sound |
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- Graphics |
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- Terminal Support |
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## ROMWBW unsupported features |
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- Cassette loading |
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- Cassette saving |
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# TastyBASIC |
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Integer arithmetic only |
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## Direct Commands |
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- `LIST` |
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- `RUN` |
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- `NEW` |
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- `CLEAR` |
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- `BYE` |
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## Statements |
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- `LET` |
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- `IF` |
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- `GOTO` |
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- `GOSUB RETURN` |
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- `REM` |
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- `FOR TO NEXT STEP` |
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- `INPUT` |
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- `PRINT` |
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- `POKE` |
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- `END` |
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## Functions |
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- `PEEK` |
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- `RND` |
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- `ABS` |
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- `USR` |
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- `SIZE` |
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## Operators |
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- `>=` |
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- `#` |
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- `>` |
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- `=` |
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- `<=` |
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- `<` |
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# Play a Game |
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## 2048 |
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@ -511,7 +575,7 @@ exiting to the Boot loader as your machine may not be bootable. |
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Option ( D ) - Duplicate flash #1 to flash #2 |
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This option will make a copy of flash #1 ont flash #2. The purpose of this is to enable |
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This option will make a copy of flash #1 onto flash #2. The purpose of this is to enable |
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making a backup copy of the current flash. Intended for systems using 2x512Kb Flash devices. |
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Option ( V ) - Toggle Write Verify |
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b1ackmai1er
4 years ago