CRT ID
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The CRT ID identifies an emulator .crt file, allows it to check the file to a certain degree and distinguish wether emulation is provided or not. Knowing the CRT ID is of no real use for the end user but might pose useful for hacking around.
Cartconv supplied with VICE will convert binaries to .crt format by passing it the correct keyword.
For more details refer to the VICE manual, chapter 17.14 The CRT cartridge image format. The current cartridge.h from the VICE emulator may serve as well.
The table below gives an overview on the VICE emulation as of September 2024, and also shows the capabilities of some more or less recent hardware extensions.
| Hardware | supported by | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CRT ID | Cartridge | VICE Source | Retro Replay | MMC Replay | Easyflash 3 | 1541U (2.4c) | 1541U-II (2.6k) | 1541U2+ and U64 (3.10i) | Chameleon (9g) | |
| 0 | generic 8k/16k/ultimax cartridge | c64-generic.c | yes | yes | yes | yes | 8k and ultimax are broken | yes | yes | |
| 1 | Action Replay | actionreplay.c | yes | yes | yes | yes | yes | yes | yes | |
| 2 | KCS Power Cartridge | kcs.c | no | no | no | no | no | yes | yes | |
| 3 | Final Cartridge 3 | final3.c | no | no | no | yes | yes | yes | yes | |
| 4 | Simons Basic | simonsbasic.c | no | no | no | no | no | yes | yes | |
| 5 | Ocean | ocean.c | no | no | yes | yes | yes | yes | yes | |
| 6 | Expert Cartridge | expert.c | no | no | no | no | no | no | yes | |
| 7 | Funplay/Powerplay | funplay.c | no | no | no | no | no | no | yes | |
| 8 | Super Games | supergames.c | no | no | no | no | no | yes | yes | |
| 9 | Atomic Power | atomicpower.c | yes (Nordic Replay only) | yes | yes | no | loads but does not work | yes | yes | |
| 10 | Epyx FastLoad | epyxfastload.c | no | no | no | yes | yes | yes | yes | |
| 11 | Westermann | westermann.c | no | no | no | no | no | yes | yes | |
| 12 | Rex Utility | rexutility.c | no | no | no | no | no | no | no | |
| 13 | The Final Cartridge | final.c | no | no | no | no | no | yes | no | |
| 14 | Magic Formel | magicformel.c | no | no | no | no | no | no | no | |
| 15 | C64GS/System3 | gs.c | no | no | no | yes | yes | yes | yes | |
| 16 | WarpSpeed | warpspeed.c | no | no | no | no | no | no | yes | |
| 17 | Dinamic | dinamic.c | no | no | no | no | no | no | yes | |
| 18 | Zaxxon | zaxxon.c | no | no | no | no | no | yes | yes | |
| 19 | Magic Desk | magicdesk.c | no | no | no | yes | yes | yes | yes | |
| 20 | Super Snapshot V5 | supersnapshot.c | no | no | yes | yes | yes | yes | yes | |
| 21 | Comal80 | comal80.c | no | no | no | no | no | yes | yes | |
| 22 | Structured Basic | stb.c | no | no | no | no | no | no | no | |
| 23 | ROSS | ross.c | no | no | no | no | no | no | yes | |
| 24 | Dela EP64 | delaep64.c | no | no | no | no | no | no | no | |
| 25 | Dela EP7x8 | delaep7x8.c | no | no | no | no | no | no | no | |
| 26 | Dela EP256 | delaep256.c | no | no | no | no | no | no | no | |
| 27 | REX EP256 | rexep256.c | no | no | no | no | no | no | no | |
| 28 | Mikro Assembler | mikroass.c | no | no | no | no | no | no | yes | |
| 29 | Final Cartridge Plus | finalplus.c | no | no | no | no | no | no | no | |
| 30 | Action Replay 4 | actionreplay4.c | no | no | no | no | no | no | no | |
| 31 | StarDOS | stardos.c | no | no | no | no | no | no | yes | |
| 32 | Easyflash | easyflash.c | no | no | yes | yes (no write support) | yes (no write support) | yes (write support through EAPI) | yes (write support through EAPI) | |
| 33 | Easyflash X-Bank | easyflash.c | no | no | yes | no | no | no | no | |
| 34 | Capture | capture.c | no | no | no | no | no | no | yes | |
| 35 | Action Replay 3 | actionreplay3.c | no | no | no | no | no | no | no | |
| 36 | Retro Replay | retroreplay.c | yes | yes | yes | yes | yes | yes | yes | |
| 37 | MMC64 | mmc64.c | no | no | no | no | no | no | yes | |
| 38 | MMC Replay | mmcreplay.c | no | yes | no | no | no | no | no | |
| 39 | IDE64 | ide64.c | no | no | no | no | no | no | no | |
| 40 | Super Snapshot V4 | supersnapshot4.c | no | no | no | no | no | no | no | |
| 41 | IEEE488 | c64tpi.c, tpicore.c | no | no | no | no | no | no | no | |
| 42 | Game Killer | gamekiller.c | no | no | no | no | no | no | no | |
| 43 | Prophet 64 | prophet64.c | no | no | no | no | no | no | yes | |
| 44 | Exos | exos.c | no | no | yes (external kernal) | no | yes (external kernal) | yes (external kernal) | yes (external kernal) | |
| 45 | Freeze Frame | freezeframe.c | no | no | no | no | no | no | no | |
| 46 | Freeze Machine | freezemachine.c | no | no | no | no | no | no | no | |
| 47 | Snapshot64 | snapshot64.c | no | no | no | no | no | no | no | |
| 48 | Super Explode V5 | superexplode5.c | no | no | no | no | no | no | no | |
| 49 | Magic Voice | magicvoice.c, tpicore.c, t6721.c | no | no | no | no | no | no | no | |
| 50 | Action Replay 2 | actionreplay2.c | no | no | no | no | no | no | no | |
| 51 | MACH 5 | mach5.c | no | no | no | no | no | no | yes | |
| 52 | Diashow Maker | diashowmaker.c | no | no | no | no | no | no | no | |
| 53 | Pagefox | pagefox.c | no | no | no | no | no | yes | yes | |
| 54 | Kingsoft Business Basic / Cardco S'more | kingsoft.c | no | no | no | no | no | yes | yes | |
| 55 | Silver Rock 128 | silverrock128.c | no | no | no | no | no | no | no | |
| 56 | Formel 64 | formel64.c | no | no | no | no | no | no | no | |
| 57 | RGCD | rgcd.c | no | no | no | no | no | no | no | |
| 58 | RR-Net MK3 | rrnetmk3.c | no | no | no | no | no | no | no | |
| 59 | Easy Calc | easycalc.c | no | no | no | no | no | no | no | |
| 60 | GMod2 | gmod2.c | no | no | no | no | no | yes | no | |
| 61 | MAX BASIC | maxbasic.c | no | no | no | no | no | no | no | |
| 62 | GMod3 | gmod3.c | no | no | no | no | no | no | no | |
| 63 | ZIPP-CODE 48 | zippcode48.c | no | no | no | no | no | no | no | |
| 64 | Blackbox v8 | blackbox8.c | no | no | no | no | no | yes | no | |
| 65 | Blackbox v3 | blackbox3.c | no | no | no | no | no | yes | no | |
| 66 | Blackbox v4 | blackbox4.c | no | no | no | no | no | yes | no | |
| 67 | REX RAM Floppy | rexramfloppy.c | no | no | no | no | no | no | no | |
| 68 | BIS Plus | bisplus.c | no | no | no | no | no | no | no | |
| 69 | SD Box | sdbox.c | no | no | no | no | no | no | no | |
| 70 | MultiMAX | multimax.c | no | no | no | no | no | no | no | |
| 71 | Blackbox v9 | blackbox9.c | no | no | no | no | no | yes | no | |
| 72 | LT Kernal | ltkernal.c | no | no | no | no | no | no | no | |
| 73 | CMD RAMlink | ramlink.c | no | no | no | no | no | no | no | |
| 74 | Drean (H.E.R.O. bootleg) | hero.c | no | no | no | no | no | no | no | |
| 75 | IEEE Flash 64 | ieeeflash64.c | no | no | no | no | no | no | no | |
| 76 | Turtle Graphics II | turtlegraphics.c | no | no | no | no | no | no | no | |
| 77 | Freeze Frame MK2 | freezeframe2.c | no | no | no | no | no | no | no | |
| 78 | Partner 64 | partner64.c | no | no | no | no | no | no | no | |
| 79 | Hyper-BASIC | hyperbasic.c | no | no | no | no | no | no | no | |
| 80 | Universal Cartridge 1 | uc1.c | no | no | no | no | no | no | no | |
| 81 | Universal Cartridge 1.5 | uc2.c | no | no | no | no | no | no | no | |
| 82 | Universal Cartridge 2 | uc2.c | no | no | no | no | no | no | no | |
The following table shows some essential properties of the various cartridges and can be helpful to find a matching CRT ID for a given cartridge dump:
| CRT ID | Type | Cartridge Name | Freezer | ROM | RAM | Banking | IO1 | IO2 | Encoded | Comment |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ar5 | Action Replay V5 | yes | 32k | 8k | 4*8k | Register | ROM/RAM | - | |
| 2 | kcs | KCS Power Cartridge | yes | 16k | 128b | - | Register / ROM | Register / RAM | - | |
| 3 | fc3 | Final Cartridge 3 | yes | 64k | - | 4*16k | ROM | Register / ROM | - | |
| 4 | simon | Simons Basic | - | 16k | - | - | toggle 8k/16k | - | - | |
| 5 | ocean | Ocean | - | 256k/512k | - | 32/64*8k | register | - | - | |
| 6 | expert | Expert Cartridge | yes | - | 8k | - | enable/disable | - | - | |
| 7 | fp | Funplay/Powerplay | - | 128k | - | 16*8k | register | - | - | |
| 8 | sg | Super Games | - | 64k | - | 4*16k | - | register | - | |
| 9 | ap | Atomic Power | yes | 32k | 8k | 4*8k | register | ROM/RAM | - | |
| 10 | epyx | Epyx FastLoad | - | 8k | - | - | enable | ROM | - | automatic disable by capacitor |
| 11 | wl | Westermann | - | 16k | - | - | - | switch to 16k | - | |
| 12 | ru | REX Utility | - | 8k | - | - | - | enable/disable by addr | - | |
| 13 | fc1 | Final Cartridge 1 | yes | 16k | - | - | disable / ROM (r/w) | enable / ROM (r/w) | - | |
| 14 | mf | Magic Formel | yes | 64k+32k | 8k | 8*8k | RAM | register | - | contains a mc6821 |
| 15 | gs | C64GS/System3 | - | 512k | - | 64*8k | Bank 0 | bank by addr | - | |
| 16 | ws | WarpSpeed | - | 16k | - | - | enable / ROM (write) | disable / ROM (write) | - | |
| 17 | din | Dinamic | - | 128k | - | 16*8k | bank by addr | - | - | |
| 18 | zaxxon | Zaxxon | - | 20k | - | 4k+2*8k | - | - | - | banking by reads to ROML |
| 19 | md | Magic Desk | - | 32...1024k | - | 4...128*8k | register | - | - | |
| 20 | ss5 | Super Snapshot V5 | yes | 64k | 32k | 8*8k | Register / ROM | - | - | |
| 21 | comal | Comal80 | - | 64k | - | 4*16k | register | - | - | |
| 22 | sb | Structured Basic | - | 16k | - | 2*8k | register | - | ||
| 23 | ross | ROSS | - | 16/32k | - | 1/2*16k | enable bank 2 | disable | ||
| 24 | dep64 | Dela EP64 | - | 8k + user | - | user | register | - | - | |
| 25 | dep7x8 | Dela EP7x8 | - | user | - | user | register | - | - | |
| 26 | dep256 | Dela EP256 | - | user | - | user | register | - | - | |
| 27 | rep256 | REX EP256 | - | 8k + user | - | user | - | register | - | |
| 28 | mikro | Mikro Assembler | - | 8k | - | - | ROM | ROM | ||
| 29 | fcp | Final Cartridge Plus | yes | 24k | - | - | - | register | ||
| 30 | ar4 | Action Replay V4 | yes | 32k | 4*8k | register | ROM | |||
| 31 | star | StarDOS | - | 16k | - | - | enable | disable | yes | IO accesses charge/discharge a capacitor |
| 32 | easy | Easyflash | - | 1M | 256b | register | RAM | - | Flash ROM | |
| 33 | - | Easyflash X-Bank | - | - | - | - | - | - | - | this is not a physical cartridge |
| 34 | cap | Capture | yes | 8k | 8k | - | - | - | yes | |
| 35 | ar3 | Action Replay V3 | yes | 16k | 2*8k | register | - | - | ||
| 36 | rr | Retro Replay/Nordic Replay | yes | 64k | 32k | 8*8k | Register / RAM /ROM | RAM / ROM | - | 128k Flash ROM |
| 37 | mmc64 | MMC64 | - | 8k | - | - | register | register | - | EEPROM |
| 38 | mmcr | MMC Replay | yes | 512k | 512k | register | register | - | Flash ROM, additional EEPROM | |
| 39 | ide64 | IDE64 | - | 64/128/512k | - | 4/8/32*16k | register | - | - | |
| 40 | ss4 | Super Snapshot V4 | yes | 32k | 8k | 2*16k | RAM | Register / ROM | - | |
| 41 | ieee | IEEE488 | - | 4k | - | - | register | - | ||
| 42 | gk | Game Killer | yes | 8k | - | - | disable | disable | ||
| 43 | p64 | Prophet 64 | - | 256k | - | 32*8k | - | register | ||
| 44 | exos | Exos | - | 8k | - | - | - | - | - | external kernal ROM |
| 45 | ff | Freeze Frame | yes | 8k | - | - | enable (read) | disable (read) | ||
| 46 | fm | Freeze Machine | yes | 16k | - | - | enable (read) | disable (read) | ||
| 47 | s64 | Snapshot64 | yes | 4k | - | - | - | enable | ||
| 48 | se5 | Super Explode V5 | - | 16k | - | 2*8k | enable (read/write) | register | automatic disable by capacitor | |
| 49 | mv | Magic Voice | - | - | register | |||||
| 50 | ar2 | Action Replay V2 | yes | 16k | - | 2*8k | enable (r/w) | disable / ROM (r/w) | - | IO accesses charge/discharge a capacitor |
| 51 | mach5 | MACH 5 | - | 8k | - | - | enable / ROM (write) | disable / ROM (write) | ||
| 52 | dsm | Diashow Maker | yes | 8k | - | - | disable | - | ||
| 53 | pf | Pagefox | - | 64k | 32k | 4*16k | register | - | ||
| 54 | ks | Kingsoft Business Basic / Cardco S'more | - | 24k | - | - | mode by r/w | - | yes | |
| 55 | silver | Silver Rock 128 | - | 128k | - | 16*8k | register | - | ||
| 56 | f64 | Formel 64 | - | 32k | - | 4*8k | - | register | contains a mc6821 | |
| 57 | rgcd | RGCD | - | 64k | - | 8*8k | register | - | ||
| 58 | rrnet | RR-Net MK3 | - | 8k | - | - | register | - | - | |
| 59 | ecr | Easy Calc Result | - | 24k | - | 8k + 2*8k | bank by addr | - | - | |
| 60 | gmod2 | GMod2 | - | 512k | - | 64*8k | register | - | - | Flash ROM, additional EEPROM |
| 61 | max | MAX BASIC | - | 16k | 2k | - | - | - | - | |
| 62 | gmod3 | GMod3 | - | 2/4/8/16M | - | 256...2048*8k | register | - | - | Flash ROM |
| 63 | zipp | ZIPP-CODE 48 | - | 8k | - | - | enable / ROM (read) | disable (read) | - | |
| 64 | bb8 | Blackbox V8 | - | 32/64k | - | 2/4*16k | - | bank from addr | - | |
| 65 | bb3 | Blackbox V3 | - | 8k | - | - | disable (write) | enable (write) | - | |
| 66 | bb4 | Blackbox V4 | - | 16k | - | - | enable (read) | disable (read) | - | |
| 67 | rrf | REX RAM Floppy | - | 8k | 256k | - / 32*8k | - | enable/disable by addr | - | |
| 68 | bis | BIS Plus | - | 2/4/8k | - | - | disable (write) | - | ||
| 69 | sdbox | SD Box | - | 128k | 3 bytes | 8*16k | register | - | - | sd2iec is on the same board |
| 70 | mm | MultiMAX | - | 1M | 2k | 64*16k | register | - | ||
| 71 | bb9 | Blackbox V9 | - | 32k | - | 2*16k | Register / ROM | - | ||
| 72 | ltk | LT Kernal | yes | 8k | 16k | - | register | - | - | I/O page can be selected with a jumper |
| 73 | rl | CMD RAMlink | - | 64k | 8k | |||||
| 74 | hero | Drean (H.E.R.O. bootleg) | - | 32k | - | 4*8k | - | register | - | |
| 75 | ieeeflash64 | IEEE Flash 64 | - | 8k | - | - | 6821 registers | - | - | external kernal ROM (uses hiram clip) |
| 76 | turtle | Turtle Graphics II | - | 16k | - | 2*8k | enable bank 1 | - | - | |
| 77 | ff2 | Freeze Frame MK2 | yes | 16k | - | - | disable (read) | enable (read) | - | |
| 78 | partner64 | Partner 64 | yes | 16k | 8k | - | ROM/enable+disable | - | - | |
| 79 | hyper | Hyper BASIC MK2 | - | 64k | - | 8*8k | register | - | - | |
| 80 | uc1 | Universal Cartridge 1 | - | 32/64/128k | 32k | 2/4/8*16k | register | - | - | |
| 81 | uc15 | Universal Cartridge 1.5 | - | 128/256/512k | 512k | 8/16/32*16k | register | - | - | Almost the same as UC2 |
| 82 | uc2 | Universal Cartridge 2 | - | 128/256/512k | 512k | 8/16/32*16k | register | - | - |
