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Fixed the components.xsl for PDPjs machines, and added more instructions, resource links, etc, for the PDP-11 demo machines

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Jeff Parsons 2016-10-20 15:16:22 -07:00 • committed by Jeff Parsons
commit 21d91cbcfa
35 changed files with 685 additions and 284 deletions
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18
apps/pdp11/boot/bootstrap/README.md
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@ -7,10 +7,10 @@ permalink: /apps/pdp11/boot/bootstrap/
DEC PDP-11 Bootstrap Loader
---------------------------
The blog post "[PDP-11 Paper Tape BASIC](http://www.avitech.com.au/ptb/ptb.html)" describes the *Bootstrap Loader*,
a small program used to load the *Absolute Loader*, which in turn loads the *PDP-11 BASIC Paper Tape*.
The **Bootstrap Loader** is a small program that loads the **[Absolute Loader](/apps/pdp11/tapes/absloader/)**,
which is then used to load other PDP-11 tapes, such as **[BASIC (Single User)](/apps/pdp11/tabes/basic/)**.
Here's what the *Bootstrap Loader* looks like:
Here's what the **Bootstrap Loader** looks like:
Location Instruction
037744 016701
@ -28,8 +28,8 @@ Here's what the *Bootstrap Loader* looks like:
037774 000765
037776 177550
Using a [PDPjs](/modules/pdpjs/) machine with the built-in Debugger, such as the
[PDP-11/20 Test Machine with Debugger](/devices/pdp11/machine/1120/test/debugger/), the *Bootstrap Loader*
Using any [PDPjs](/modules/pdpjs/) machine with the built-in Debugger, such as this
[PDP-11/20 Test Machine with Debugger](/devices/pdp11/machine/1120/test/debugger/), the **Bootstrap Loader**
is easily entered with a single Debugger EDIT ("e") command:
e 037744 016701 000026 012702 000352 005211 105711 100376 116162 000002 037400 005267 177756 000765 177550
@ -51,8 +51,8 @@ To run the above code, set the PC to 037744 and start the machine:
r pc=037744
g
Preloading DEC's Bootstrap Loader
---------------------------------
Pre-loading DEC's Bootstrap Loader
----------------------------------
I pasted the disassembled code (above) into a listing file, [BOOTSTRAP-16KB.lst](BOOTSTRAP-16KB.lst),
and then ran [FileDump](/modules/filedump) to produce a [BOOTSTRAP-16KB.json](BOOTSTRAP-16KB.json) that can
@ -60,8 +60,8 @@ be automatically pre-loaded into any machine:
filedump --file=BOOTSTRAP-16KB.lst --format=octal --output=BOOTSTRAP-16KB.json
For example, this [PDP-11/20 16Kb Machine](/devices/pdp11/machine/1120/bootstrap/debugger/machine.xml) preloads
the *Bootstrap Loader* using the `<ram>` component's optional *file* attribute:
For example, this [PDP-11/20 16Kb Machine](/devices/pdp11/machine/1120/bootstrap/debugger/) pre-loads
the **Bootstrap Loader** using the `<ram>` component's optional *file* attribute:
<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/boot/bootstrap/BOOTSTRAP-16KB.json"/>