libticalcs: support ROM dumps for the 82A, they're possible after usa…

…ge of ACE/RCE vulnerabilities. Reported by Gerald "grosged" DeGroote, who patched the ROM dumper to use a ION-style header for CalcUtil/NoShell. Signed-off-by: Lionel Debroux <[email protected]>
debrouxl · Aug 12, 2020 · 183b240 · 183b240
1 parent a41993b
commit 183b240
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Showing 5 changed files with 219 additions and 3 deletions.
diff --git a/libticalcs/trunk/src/Makefile.am b/libticalcs/trunk/src/Makefile.am
@@ -89,7 +89,10 @@ rom84p.h: romdump_84p_usb/dump84p.8xp $(tf2hex)
 rom84pcu.h: romdump_84p_usb/dump84pcu.8xp $(tf2hex)
 	$(tf2hex) romdump_84p_usb/dump84pcu.8xp $(srcdir)/rom84pcu.h 84pcu
 
-romdump_84p_usb/dump84p.8xp romdump_84p_usb/dump84pcu.8xp:
+rom82a.h: romdump_84p_usb/dump82a.8xp $(tf2hex)
+	$(tf2hex) romdump_84p_usb/dump82a.8xp $(srcdir)/rom82a.h 82a
+
+romdump_84p_usb/dump84p.8xp romdump_84p_usb/dump84pcu.8xp romdump_84p_usb/dump82a.8xp:
 	cd romdump_84p_usb && $(MAKE)
 
 rom834pceu.h: romdump_834pce_usb/dump834pceu.8xp $(tf2hex)

diff --git a/libticalcs/trunk/src/calc_84p.cc b/libticalcs/trunk/src/calc_84p.cc
@@ -43,6 +43,7 @@
 #include "dusb_cmd.h"
 #include "rom84p.h"
 #include "rom84pcu.h"
+#include "rom82a.h"
 #include "rom834pceu.h"
 #include "romdump.h"
 #include "keys83p.h"
@@ -1219,6 +1220,10 @@ static int		dump_rom_1	(CalcHandle* handle)
 		{
 			ret = rd_send(handle, "romdump.8Xp", romDumpSize84pcu, romDump84pcu);
 		}
+		else if (infos.model == CALC_TI82A_USB)
+		{
+			ret = rd_send(handle, "romdump.8Xp", romDumpSize82a, romDump82a);
+		}
 		else if (infos.model == CALC_TI84PCE_USB || infos.model == CALC_TI83PCE_USB)
 		{
 			ret = rd_send(handle, "romdump.8Xp", romDumpSize834pceu, romDump834pceu);
@@ -2292,7 +2297,7 @@ extern const CalcFncts calc_82a_usb =
 	"TI-82 Advanced",
 	N_("TI-82 Advanced thru DirectLink"),
 	OPS_ISREADY | OPS_SCREEN | OPS_DIRLIST | OPS_VARS | /*OPS_FLASH |*/ OPS_OS |
-	OPS_IDLIST | /*OPS_ROMDUMP |*/ OPS_CLOCK | OPS_DELVAR | OPS_VERSION | OPS_BACKUP | OPS_KEYS |
+	OPS_IDLIST | OPS_ROMDUMP | OPS_CLOCK | OPS_DELVAR | OPS_VERSION | OPS_BACKUP | OPS_KEYS |
 	OPS_RENAME | OPS_CHATTR |
 	FTS_SILENT | FTS_MEMFREE | FTS_FLASH,
 	PRODUCT_ID_TI82A,

diff --git a/libticalcs/trunk/src/rom82a.h b/libticalcs/trunk/src/rom82a.h
@@ -0,0 +1,196 @@
+static unsigned char romDump82a[] = {
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+0xf6, 0xef, 0x09, 0x40, 0xfd, 0x21, 0x31, 0x00, 
+0xe9, 0x31, 0x00, 0x00, 0xe1, 0xf1, 0x77, 0xbe, 
+0x20, 0xfd, 0x36, 0xf0, 0xfd, 0xe1, 0xc9, 0xdb, 
+0x02, 0x87, 0x3e, 0x1f, 0x30, 0x09, 0xdb, 0x21, 
+0xe6, 0x03, 0x3e, 0x7f, 0x20, 0x01, 0x1f, 0xa2, 
+0xd3, 0x06, 0xc9, 0xbe, 0x23, 0x3f, 0xc0, 0x7e, 
+0xb8, 0xc9, 0x6f, 0x6d, 
+};
+static unsigned int romDumpSize82a = 1540;
diff --git a/libticalcs/trunk/src/romdump_84p_usb/Makefile.am b/libticalcs/trunk/src/romdump_84p_usb/Makefile.am
@@ -14,8 +14,14 @@ dump84p.bin: romdump.z80
 dump84pcu.bin: romdump.z80
 	$(PASMO) $(PASMOFLAGS) -E TI84PC $(srcdir)/romdump.z80 dump84pcu.bin
 
+dump82a.bin: romdump.z80
+	$(PASMO) $(PASMOFLAGS) -E TI82A $(srcdir)/romdump.z80 dump82a.bin
+
 dump84p.8xp: dump84p.bin
 	$(TIPACK) -n 'ROMDUMP' dump84p.bin -p -o dump84p.8xp
 
 dump84pcu.8xp: dump84pcu.bin
 	$(TIPACK) -n 'ROMDUMP' dump84pcu.bin -p -o dump84pcu.8xp
+
+dump82a.8xp: dump82a.bin
+	$(TIPACK) -n 'ROMDUMP' dump82a.bin -p -o dump82a.8xp
diff --git a/libticalcs/trunk/src/romdump_84p_usb/romdump.z80 b/libticalcs/trunk/src/romdump_84p_usb/romdump.z80
@@ -156,14 +156,20 @@ outputBuffer    equ appBackUpScreen+2
 org userMem-2
 if defined TI84P
         db 0BBh,6Dh
+        B_CALL _runIndicOff
 endif
 if defined TI84PC
         db 0EFh,69h
         res appTextSave,(iy+appFlags)
         ld a,1
         out (20h),a
-endif
         B_CALL _runIndicOff
+endif
+if defined TI82A
+; ION-style header for CalcUtil
+        xor a,a
+        db 00h,00h
+endif
 ; Unlock Flash, if possible.
 ; The purpose is to get an accurate dump of the certificate page (page 3Eh/7Eh).
 if defined TI84P