ZZRCC Disk Image Enhancements

Bill has provided an improved mechanism to allow ZZRCC to boot directly from CF Card.  This work has been incorporated directly into the diskimage creation process for the ZZRCC disk image.

Source/ZZR/Build.cmd

@@ -3,8 +3,10 @@ setlocal
 
 if not exist ..\..\Binary\RCZ280_nat_zzr.rom goto :eof
 
-..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.rom -Binary -Exclude 0x5000 0x7000 -Output ..\..\Binary\RCZ280_nat_zzr.hex -Intel
+..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.rom -Binary -Exclude 0x5000 0x7000 zzr_romldr.hex -Intel -Output ..\..\Binary\RCZ280_nat_zzr.hex -Intel
 
-copy /b zzr_cfldr.bin + zzr_ptbl.bin + zzr_fill_1.bin + zzr_mon.bin + zzr_fill_2.bin + ..\..\Binary\RCZ280_nat_zzr.rom + zzr_fill_3.bin ..\..\Binary\hd1024_zzr_prefix.dat
+..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.hex -Intel -Output ..\..\Binary\RCZ280_nat_zzr_ldr.rom -Binary
+
+copy /b zzr_cfldr.bin + zzr_ptbl.bin + zzr_fill_1.bin + zzr_mon.bin + zzr_fill_2.bin + ..\..\Binary\RCZ280_nat_zzr_ldr.rom + zzr_fill_3.bin ..\..\Binary\hd1024_zzr_prefix.dat
 
 copy /b ..\..\Binary\hd1024_zzr_prefix.dat + ..\..\Binary\hd1024_cpm22.img + ..\..\Binary\hd1024_zsdos.img + ..\..\Binary\hd1024_nzcom.img + ..\..\Binary\hd1024_cpm3.img + ..\..\Binary\hd1024_zpm3.img + ..\..\Binary\hd1024_ws4.img ..\..\Binary\hd1024_zzr_combo.img

Source/ZZR/Makefile

@@ -1,6 +1,7 @@
 HD1024ZZRPREFIX = hd1024_zzr_prefix.dat
 HD1024ZZZROMBOIMG = hd1024_zzr_combo.img
 ZZRROM = ../../Binary/RCZ280_nat_zzr.rom
+ZZRLDRROM = RCZ280_nat_zzr_ldr.rom
 ZZRROMHEX = RCZ280_nat_zzr.hex
 HD1024IMGS = ../../Binary/hd1024_cpm22.img ../../Binary/hd1024_zsdos.img ../../Binary/hd1024_nzcom.img \
 	../../Binary/hd1024_cpm3.img ../../Binary/hd1024_zpm3.img ../../Binary/hd1024_ws4.img
@@ -10,7 +11,7 @@ OBJECTS :=
 
 
 ifneq ($(wildcard $(ZZRROM)),)
-	OBJECTS += $(HD1024ZZRPREFIX) $(HD1024ZZZROMBOIMG) $(ZZRROMHEX)
+	OBJECTS +=  $(ZZRROMHEX)  $(ZZRLDRROM) $(HD1024ZZRPREFIX) $(HD1024ZZZROMBOIMG)
 endif
 
 DEST=../../Binary
@@ -22,10 +23,13 @@ include $(TOOLS)/Makefile.inc
 DIFFPATH = $(DIFFTO)/Binary
 
 $(HD1024ZZRPREFIX):
-	cat zzr_cfldr.bin zzr_ptbl.bin zzr_fill_1.bin zzr_mon.bin zzr_fill_2.bin $(ZZRROM) zzr_fill_3.bin >$@
+	cat zzr_cfldr.bin zzr_ptbl.bin zzr_fill_1.bin zzr_mon.bin zzr_fill_2.bin $(ZZRLDRROM) zzr_fill_3.bin >$@
 
 $(HD1024ZZZROMBOIMG): $(HD1024ZZRPREFIX) $(HD1024IMGS)
 	cat $^ > $@
 
 $(ZZRROMHEX): $(ZZRROM)
-	srec_cat $(ZZRROM) -Binary -Exclude 0x5000 0x7000 -Output $(ZZRROMHEX) -Intel
+	srec_cat $(ZZRROM) -Binary -Exclude 0x5000 0x7000 zzr_romldr.hex -Intel -Output $(ZZRROMHEX) -Intel
+
+$(ZZRLDRROM): $(ZZRROMHEX)
+	srec_cat $(ZZRROMHEX) -Intel -Output $(ZZRLDRROM) -Binary

Source/ZZR/ZZR Disk Layout.txt

@@ -9,6 +9,8 @@ Start   Length  Sector  Count   Description
 0x64000 0x9C000 0x320   0x4E0   Filler
 0x100000        0x800           Slices
 
+Must insert zzr_romldr.bin at 0x5000-x5FFF of ROM image.  This is also 0x29000-0x29FFF of CF image.
+
 Notes
 -----