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typos and updates
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b1ackmai1er
@@ -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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