Numerous changes to make paper tape configurations more consistent with disk configurations. This allows all devices to share the machine-wide "autoMount" configuration object, now that the PC11 has a proper device name ("PTR"), making its properties distinguishable from those for RK11 and RL11 drives (eg, "RK0", "RL0", etc). And all the tape/disk components now use "Load" functions to connect a tape or disk to a device ("Attach" is deprecated). And finally, all tape/disk components now support operations to deposit their media directly into memory -- although in this case, the names of the operations are necessarily different: "Read" for tape images, "Boot" for disk images. The difference is partly historical convention but also reflects the fact that a "Boot" operation is more limited: paper tapes were designed to be completely loaded into memory, whereas bootable disks are designed for only the first sector to be loaded and executed. Also, paper tape images are now flagged as non-auto-starting, because they often require some user action (eg, loading another tape, setting some switches, etc), whereas disk boot sectors are flagged as auto-starting (see the fStart parameter of the loadImage() interface in the RAM component).
This commit is contained in:
Jeff Parsons
Jeff Parsons
parent
aa2aebd89a
commit
b54253acf9
41 changed files with 383 additions and 211 deletions
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@ -13,7 +13,9 @@ PDP-11/20 BASIC Demo
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The machine below pre-loads the [DEC PDP-11 BASIC](/apps/pdp11/tapes/basic/) tape image into 16Kb of RAM:
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/tapes/basic/DEC-11-AJPB-PB.json"/>
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```xml
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/tapes/basic/DEC-11-AJPB-PB.json"/>
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```
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You can also manually load it into memory using the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/).
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See the [Bootstrap Loader Demo](/devices/pdp11/machine/1120/bootstrap/) for details.
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@ -14,7 +14,9 @@ PDP-11/20 BASIC Demo (with Debugger)
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The machine below pre-loads the [DEC PDP-11 BASIC](/apps/pdp11/tapes/basic/) tape image into 16Kb of RAM:
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/tapes/basic/DEC-11-AJPB-PB.json"/>
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```xml
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/tapes/basic/DEC-11-AJPB-PB.json"/>
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```
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You can also manually load it into memory using the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/).
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See the [Bootstrap Loader Demo (with Debugger)](/devices/pdp11/machine/1120/bootstrap/debugger/) for details.
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@ -5,6 +5,9 @@ permalink: /devices/pdp11/machine/1120/bootstrap/
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machines:
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- id: test1120
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type: pdp11
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autoMount:
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PTR:
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path: /apps/pdp11/tapes/absloader/DEC-11-L2PC-PO.json
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---
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PDP-11/20 Bootstrap Loader Demo
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@ -12,24 +15,28 @@ PDP-11/20 Bootstrap Loader Demo
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The machine below pre-loads the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) code into 16Kb of RAM:
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/boot/bootstrap/BOOTSTRAP-16KB.json"/>
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```xml
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/boot/bootstrap/BOOTSTRAP-16KB.json"/>
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```
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and then pre-attaches the [Absolute Loader](/apps/pdp11/tapes/absloader/) tape image to the PC11 Paper Tape Reader:
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and then pre-loads the [Absolute Loader](/apps/pdp11/tapes/absloader/) tape image to the PC11 Paper Tape Reader:
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<device id="pc11" type="pc11" baudReceive="9600" autoMount='{path:"/apps/pdp11/tapes/absloader/DEC-11-L2PC-PO.json"}' ...>...</device>
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```xml
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<device id="pc11" type="pc11" baudReceive="9600" autoMount='{PTR:{path:"/apps/pdp11/tapes/absloader/DEC-11-L2PC-PO.json"}}'>...</device>
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```
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Click "Run" to load the [Absolute Loader](/apps/pdp11/tapes/absloader/).
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When the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) is finished, it will HALT,
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leaving the [Absolute Loader](/apps/pdp11/tapes/absloader/) ready to run immediately after the HALT.
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You can then select another tape image in the Absolute Loader format, such as [BASIC (Single User)](/apps/pdp11/tapes/basic/),
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click "Attach" and then "Run".
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click "Load" and then "Run".
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If you need to start over, select "Bootstrap Loader (16Kb)" from the list of tapes and click "Load" instead of
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"Attach", re-installing the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) directly into RAM.
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If you need to start over, select "Bootstrap Loader (16Kb)" from the list of tapes and click "Read" instead of
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"Load", re-installing the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) directly into RAM.
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Alternatively, just press the "Reset" button. The RAM component was recently updated to restore pre-loaded images whenever
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the entire machine is reset. You'll still need to manually re-attach the [Absolute Loader](/apps/pdp11/tapes/absloader/)
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the entire machine is reset. You'll still need to manually reload the [Absolute Loader](/apps/pdp11/tapes/absloader/)
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tape image, however.
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{% include machine.html id="test1120" %}
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@ -6,6 +6,9 @@ machines:
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- id: test1120
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type: pdp11
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debugger: true
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autoMount:
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PTR:
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path: /apps/pdp11/tapes/absloader/DEC-11-L2PC-PO.json
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---
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PDP-11/20 Bootstrap Loader Demo (with Debugger)
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@ -13,24 +16,28 @@ PDP-11/20 Bootstrap Loader Demo (with Debugger)
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The machine below pre-loads the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) code into 16Kb of RAM:
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/boot/bootstrap/BOOTSTRAP-16KB.json"/>
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```xml
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<ram id="ram" addr="0x0000" size="0x4000" file="/apps/pdp11/boot/bootstrap/BOOTSTRAP-16KB.json"/>
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```
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and then pre-attaches the [Absolute Loader](/apps/pdp11/tapes/absloader/) tape image to the PC11 Paper Tape Reader:
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and then pre-loads the [Absolute Loader](/apps/pdp11/tapes/absloader/) tape image to the PC11 Paper Tape Reader:
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<device id="pc11" type="pc11" baudReceive="9600" autoMount='{path:"/apps/pdp11/tapes/DEC-11-L2PC-PO.json"}' ...>...</device>
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```xml
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<device id="pc11" type="pc11" baudReceive="9600" autoMount='{PTR:{path:"/apps/pdp11/tapes/absloader/DEC-11-L2PC-PO.json"}}'>...</device>
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```
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Click "Run" to load the [Absolute Loader](/apps/pdp11/tapes/absloader/).
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When the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) is finished, it will HALT,
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leaving the [Absolute Loader](/apps/pdp11/tapes/absloader/) ready to run immediately after the HALT.
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You can then select another tape image in the Absolute Loader format, such as [BASIC (Single User)](/apps/pdp11/tapes/basic/),
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click "Attach" and then "Run".
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click "Load" and then "Run".
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If you need to start over, select "Bootstrap Loader (16Kb)" from the list of tapes and click "Load" instead of
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"Attach", re-installing the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) directly into RAM.
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If you need to start over, select "Bootstrap Loader (16Kb)" from the list of tapes and click "Read" instead of
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"Load", re-installing the [Bootstrap Loader](/apps/pdp11/boot/bootstrap/) directly into RAM.
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Alternatively, just press the "Reset" button. The RAM component was recently updated to restore pre-loaded images whenever
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the entire machine is reset. You'll still need to manually re-attach the [Absolute Loader](/apps/pdp11/tapes/absloader/)
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the entire machine is reset. You'll still need to manually reload the [Absolute Loader](/apps/pdp11/tapes/absloader/)
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tape image, however.
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{% include machine.html id="test1120" %}
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@ -12,7 +12,9 @@ PDP-11/20 Boot Monitor
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The machine below pre-loads the [PDP-11 Boot Monitor](/apps/pdp11/boot/monitor/) into RAM:
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<ram id="ram" addr="0x0000" size="0xE000" file="/apps/pdp11/boot/monitor/BOOTMON.json" load="0xC000" exec="0xC000"/>
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```xml
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<ram id="ram" addr="0x0000" size="0xE000" file="/apps/pdp11/boot/monitor/BOOTMON.json" load="0xC000" exec="0xC000"/>
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```
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{% include machine.html id="test1120" %}
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@ -13,6 +13,8 @@ PDP-11/20 Boot Monitor (with Debugger)
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The machine below pre-loads the [PDP-11 Boot Monitor](/apps/pdp11/boot/monitor/) into RAM:
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<ram id="ram" addr="0x0000" size="0xE000" file="/apps/pdp11/boot/monitor/BOOTMON.json" load="0xC000" exec="0xC000"/>
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```xml
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<ram id="ram" addr="0x0000" size="0xE000" file="/apps/pdp11/boot/monitor/BOOTMON.json" load="0xC000" exec="0xC000"/>
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```
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{% include machine.html id="test1120" %}
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