build: add the SIBO SDK

code/SIBOSDK/hcmast/makemast.bat

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+@echo off
+rem Specimen batch file to create master HC SSD
+rem Drivers for external SSD drives must be installed
+emast -u1 v033eeng.mas
+echo Transferring other software...
+xcopy \hcmast\*.* f:\*.* /s

code/SIBOSDK/hcmast/mrchv.bat

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+rem Example batch file to create master file image of HC ROM
+erom >sch.mep -c -m -b0xa000 -v0x033e -lsch -oENG epocchp
+type sch.mep

code/SIBOSDK/hcmast/sch.rom

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+cheng.cfo,sys$ctry.cfo
+wsrvhch1.img,sys$wsrv.img
+corpshll.img,sys$shll.img
+corpntfy.img,sys$ntfy.img
+sys$env.ini
+sys$rfsv.img
+sys$ncp.img
+link.img
+mclinkpa.trm,mclink.trm
+olib.dyl
+big.fon
+small.fon
+mon_5x8.fon
+mono.fon
+sys$norm.fon
+sys$bold.fon
+exopl.img
+oplch.dyl,opl.dyl
+batchk.img
+ttest.img
+pprint.img
+custom$.dat