Added AT&T 6300 resources

devices/pc/machine/zenith/README.md

@@ -0,0 +1,21 @@
+---
+layout: page
+title: Zenith Data Systems Machines
+permalink: /devices/pc/machine/zenith/
+---
+
+Zenith Data Systems Machines
+---
+
+The following Zenith machines are available:
+
+* [Zenith Z-150](/devices/pc/machine/zenith/z150/cga/640kb/) ([Debugger](/devices/pc/machine/zenith/z150/cga/640kb/debugger/))
+
+The following Zenith online resources are available:
+
+* [Programmer's Reference Manual (Z-100 Series)](http://planemo.org/retro/downloads/z100/manuals/Z-100%20Programmers%20Reference%20Manual-OCR.pdf)
+* [Z-150 Brochure](https://computerarchive.org/files/comp/ad/zenith/ZDS-Z150.pdf)
+
+---
+
+"The quality goes in before the name goes on."

devices/pc/machine/zenith/z150/cga/640kb/debugger/machine.xml

@@ -5,7 +5,8 @@
 	<computer id="z150-640k" name="Z-150"/>
 	<cpu id="cpu8088" model="8088"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/zenith/z150/z150-1988.xml"/>
+	<ram id="ramBIOS" addr="0xf0000" size="0x4000" comment="16Kb of scratchpad RAM"/>
+	<rom ref="/devices/pc/rom/zenith/z150/bios-z150-1988.xml"/>
 	<video ref="/devices/pc/video/ibm/cga/ibm-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<keyboard ref="/devices/pc/keyboard/us83-buttons-minimal.xml"/>

devices/pc/machine/zenith/z150/cga/640kb/machine.xml

@@ -4,7 +4,8 @@
 	<name pos="center">Zenith Z-150 with Color Display</name>
 	<computer id="z150-640k" name="Z-150"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/zenith/z150/z150-1988.xml"/>
+	<ram id="ramBIOS" addr="0xf0000" size="0x4000" comment="16Kb of scratchpad RAM"/>
+	<rom ref="/devices/pc/rom/zenith/z150/bios-z150-1988.xml"/>
 	<video ref="/devices/pc/video/ibm/cga/ibm-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<cpu id="cpu8088" model="8088" autostart="true" pos="left" padleft="8px" padbottom="8px">