Update README

Author: johnnovak

README.md

@@ -110,39 +110,47 @@ export SOUNDCANVAS_ROM_PATH=/path/to/ROM/dir
 export SOUNDCANVAS_ROM_PATH=/path/to/ROM/dir:/alt/path/to/rom/dir
 ```
 
-Here is the list of required files for each supported model and their SHA1
-hashes. Lookup is performed by filename, so make sure the names match exactly.
+Here is the list of required files for each supported model. Lookup is
+performed by filename, so make sure the names match exactly. The SHA256 hashes
+of the ROM files are verified before loading; see
+`src/nuked-sc55/backend/rom_io.cpp` for the complete list of supported hashes.
 
 ```
-SC-55-v1.00/sc55_rom1.bin        675ea03634429c49fdeebf14849953bc1dd844aa
-SC-55-v1.00/sc55_rom2.bin        f7f8ac018d24be8de6cc37ed4a3b3bfc0953510a
-SC-55-v1.00/sc55_waverom1.bin    8cc3c0d7ec0993df81d4ca1970e01a4b0d8d3775
-SC-55-v1.00/sc55_waverom2.bin    80e6eb130c18c09955551563f78906163c55cc11
-SC-55-v1.00/sc55_waverom3.bin    7454b817778179806f3f9d1985b3a2ef67ace76f
-
-SC-55-v1.20/sc55_rom1.bin        dd01ec54027751c2f2f2e47bbb7a0bf3d1ca8ae2
-SC-55-v1.20/sc55_rom2.bin        ffa8e3d5b3ec45485de4c13029bb4406c08ac9c3
-SC-55-v1.20/sc55_waverom1.bin    8cc3c0d7ec0993df81d4ca1970e01a4b0d8d3775
-SC-55-v1.20/sc55_waverom2.bin    80e6eb130c18c09955551563f78906163c55cc11
-SC-55-v1.20/sc55_waverom3.bin    7454b817778179806f3f9d1985b3a2ef67ace76f
-
-SC-55-v1.21/sc55_rom1.bin        dd01ec54027751c2f2f2e47bbb7a0bf3d1ca8ae2
-SC-55-v1.21/sc55_rom2.bin        9c17f85e784dc1549ac1f98d457b353393331f6b
-SC-55-v1.21/sc55_waverom1.bin    8cc3c0d7ec0993df81d4ca1970e01a4b0d8d3775
-SC-55-v1.21/sc55_waverom2.bin    80e6eb130c18c09955551563f78906163c55cc11
-SC-55-v1.21/sc55_waverom3.bin    7454b817778179806f3f9d1985b3a2ef67ace76f
-
-SC-55-v2.00/sc55_rom1.bin        76f646bc03f66dbee7606f2181d4ea76f05ece7d
-SC-55-v2.00/sc55_rom2.bin        6d6346b35c2379e9e6adc182214580e3d164b0c7
-SC-55-v2.00/sc55_waverom1.bin    8cc3c0d7ec0993df81d4ca1970e01a4b0d8d3775
-SC-55-v2.00/sc55_waverom2.bin    80e6eb130c18c09955551563f78906163c55cc11
-SC-55-v2.00/sc55_waverom3.bin    7454b817778179806f3f9d1985b3a2ef67ace76f
-
-SC-55mk2-v1.01/rom1.bin          b91bb1d9dccffe831b7cfde7800a3fe32b2fbda6
-SC-55mk2-v1.01/rom2.bin          078cb5feea05e80bb9a1bb857a2163ee434fd053
-SC-55mk2-v1.01/rom_sm.bin        4d48578d811a762a8e7bfaf18989bcac70ae1ba4
-SC-55mk2-v1.01/waverom1.bin      96708cb21381c2fd03de4babbf7aea301c7594a6
-SC-55mk2-v1.01/waverom2.bin      4d91cdeaed048d653dbf846a221003c3a3f08279
+SC-55-v1.00/sc55_rom1.bin
+SC-55-v1.00/sc55_rom2.bin
+SC-55-v1.00/sc55_waverom1.bin
+SC-55-v1.00/sc55_waverom2.bin
+SC-55-v1.00/sc55_waverom3.bin
+
+SC-55-v1.10/sc55_rom1.bin
+SC-55-v1.10/sc55_rom2.bin
+SC-55-v1.10/sc55_waverom1.bin
+SC-55-v1.10/sc55_waverom2.bin
+SC-55-v1.10/sc55_waverom3.bin
+
+SC-55-v1.20/sc55_rom1.bin
+SC-55-v1.20/sc55_rom2.bin
+SC-55-v1.20/sc55_waverom1.bin
+SC-55-v1.20/sc55_waverom2.bin
+SC-55-v1.20/sc55_waverom3.bin
+
+SC-55-v1.21/sc55_rom1.bin
+SC-55-v1.21/sc55_rom2.bin
+SC-55-v1.21/sc55_waverom1.bin
+SC-55-v1.21/sc55_waverom2.bin
+SC-55-v1.21/sc55_waverom3.bin
+
+SC-55-v2.00/sc55_rom1.bin
+SC-55-v2.00/sc55_rom2.bin
+SC-55-v2.00/sc55_waverom1.bin
+SC-55-v2.00/sc55_waverom2.bin
+SC-55-v2.00/sc55_waverom3.bin
+
+SC-55mk2-v1.01/rom1.bin
+SC-55mk2-v1.01/rom2.bin
+SC-55mk2-v1.01/rom_sm.bin
+SC-55mk2-v1.01/waverom1.bin
+SC-55mk2-v1.01/waverom2.bin
 ```
 
 ## Building