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====== Getting Started with CB030, Rev0 ======

===== Introduction =====

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=094e97&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/tiny030/cb030/cb030_r0_annotated_f.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/tiny030/cb030/cb030_r0_annotated_f.jpg?600x444|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_tiny030_cb030_cb030_r0_annotated_f.jpg}}]]

This guide assume you already have a fully assembled CB030 rev0 as shown in the picture above.

===== Connecting console serial port =====

The console serial port is the 6-pin connector labelled 'P6'. The pin assignment is for direct connection to a CP2102 USB-serial adapter as shown in the picture below. Set the terminal emulator to 38400 N-8-1

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=02114e&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/tiny030/cb030/cb030_console_serial.jpg|{{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/tiny030/cb030/cb030_console_serial.jpg?400x396|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_tiny030_cb030_cb030_console_serial.jpg}}]]

===== Powering Up =====

CB030 requires regulated 5V, 1amp. The power plug is 2.5mm X 5.5mm which is not compatible with the more popular 2.1mm X 5.5mm connector.

Apply power to CB030 and the following message will display after about 1 second delay:

//CB030Bug\\
1/17/20 v0.3, type “he” for help\\
I cache on\\
>//

Type 'he' to display the help menu

//> he Commands are in lower case, <>optional, []mandatory\\
dm [address] <count>\\
dr <a|d|a0-a7|d0-d7> Display all registers if no parameter\\
mm [address] <value> If only address entered, a submenu will follow:\\
. terminates submenu session\\
- go back one word address\\
[value] modify current address and display next address\\
CR not modify current address but display next address\\
mr [a0-a7|d0-d7] <value> If only register entered, a submenu will follow:\\
. terminates submenu session\\
- go back one register\\
[value] modify current register and display next register\\
CR not modify current register but display next register\\
go <from_addr> <to_addr> If no address specified, use save register values\\
bp <addr> If no address specified, display current break point\\
special case: bp 0 removes breakpoint\\
du [address] <line count> dump specified number of lines\\
>//

===== CP/M68K =====

To run CP/M68K from the monitor, type 'go 15000' and the CP/M68K A> prompt will display

Drive A is read-only drive reside on EPROM. It contains the formatting software, 'init.68k' and file transfer file, 'gkermit.68k'

Drive B-E are 8-megabyte read-write drives reside on DiskOnModule.