docs: mark emulator-written files unsourceable

Font caches synthesised from host fonts, battery images and backup RAM the emulator creates when absent, user symbol maps, the BAM presets list and the BOOT -bios image slot have no canonical copy.

emulators/cxbx-reloaded.yml

@@ -141,6 +141,7 @@ files:
     path: "EmuMediaBoard/Chihiro/backup_ram.bin"
     system: sega-chihiro
     required: false
+    unsourceable: "written by the emulator as 128 KB of zeros, no canonical file"
     has_builtin: true
     size_note: "Created as 128 KB of zeros when absent, then memory mapped"
     description: "Base board backup memory"

emulators/dolphin-mmjr.yml

@@ -241,6 +241,7 @@ files:
   - name: mios-ipl.map
     path: Maps/mios-ipl.map
     required: false
+    unsourceable: "user authored symbol map, no canonical file"
     description: "MIOS symbol map"
     note: "Read from Maps/ in the user directory when MIOS starts, and a successful load re-applies the HLE function patches against the symbols it names."
     source_ref: "source Source/Core/Core/IOS/MIOS.cpp:47, source Source/Core/Core/IOS/MIOS.cpp:55-66"

emulators/dolphin-mmjr2.yml

@@ -438,6 +438,7 @@ files:
   - name: mios-ipl.map
     path: Maps/mios-ipl.map
     required: false
+    unsourceable: "user authored symbol map, no canonical file"
     description: "MIOS symbol map"
     note: "Read from Maps/ in the user directory when MIOS starts, and a successful load re-applies the HLE function patches against the symbols it names."
     source_ref: "source Source/Core/Core/IOS/MIOS.cpp:67-72"

emulators/dosbox-x.yml

@@ -568,6 +568,7 @@ files:
   - name: "System BIOS image"
     description: "PC/AT or PC-98 BIOS ROM image booted by BOOT -bios"
     required: false
+    unsourceable: "any BIOS image the user names with BOOT -bios, no canonical file"
     note: >
       loaded at the top of the first megabyte, rounded up to a paragraph and
       truncated to 128 KB, or to 96 KB on PC-98, and a larger image is clamped

emulators/future-pinball-fploader.yml

@@ -245,6 +245,7 @@ files:
   - name: XML_Presets.txt
     system: fpinball
     required: false
+    unsourceable: "written by BAM as presets are added, no canonical file"
     description: "List of physics documents offered in the presets menu"
     source_ref: "BAM.dll 1.5-408 .text:0x100fba6a-0x100fbd8a"
     note: >-

emulators/px68k-sdl.yml

@@ -105,6 +105,7 @@ files:
     path: "cgrom30.tmp"
     priority: 2
     required: false
+    unsourceable: "rendered from TrueType fonts by the font generator, no canonical file"
     size: 786432
     source_ref: "SDL/SDL2/winx68k.cpp:280-282,317-331"
     note: "Substitute X68030 font, read when cgrom30.dat is absent."
@@ -123,6 +124,7 @@ files:
     path: "cgrom.tmp"
     priority: 4
     required: false
+    unsourceable: "rendered from TrueType fonts by the font generator, no canonical file"
     size: 786432
     source_ref: "SDL/SDL2/winx68k.cpp:280-282,317-331, SDL/tool/create_cgrom.c:20"
     note: >

emulators/px68k.yml

@@ -104,6 +104,7 @@ files:
     path: "keropi/cgrom.tmp"
     size: 786432
     required: false
+    unsourceable: "generated by WinX68k from the host fonts, no canonical file"
     note: >
       Alternative font file, used as fallback when cgrom.dat is absent.
       Typically a font cache generated by the emulator itself on other platforms.

emulators/teknoparrot.yml

@@ -272,6 +272,7 @@ files:
     path: "EmuMediaBoard/Chihiro/backup_ram.bin"
     system: sega-chihiro
     required: false
+    unsourceable: "written by the emulator, no canonical file"
     has_builtin: true
     description: "Base board backup memory"
     note: "Created by the emulator when absent (\"Could not create Backup File\" on failure)."

emulators/x1-box.yml

@@ -203,6 +203,7 @@ files:
   - name: eeprom_chihiro.bin
     system: sega-chihiro
     required: false
+    unsourceable: "generated by the emulator with the debug key, no canonical file"
     path: "x1box/eeprom_chihiro.bin"
     size: 256
     validation: [size]

emulators/xm6pro68k.yml

@@ -188,6 +188,7 @@ files:
   - name: CGROM.TMP
     system: sharp-x68000
     required: false
+    unsourceable: "synthesised from the fonts installed on the host, no canonical file"
     min_size: 786432
     validation: [size]
     description: "Synthesised font ROM, fallback when CGROM.DAT is absent"

emulators/xm6typeg.yml

@@ -232,6 +232,7 @@ files:
   - name: CGROM.TMP
     system: sharp-x68000
     required: false
+    unsourceable: "synthesised from the fonts installed on the host, no canonical file"
     min_size: 786432
     validation: [size]
     description: "Synthesised font ROM, fallback when no CG ROM is present"
@@ -289,6 +290,7 @@ files:
   - name: SRAMXVI.DAT
     system: sharp-x68000
     required: false
+    unsourceable: "written by the emulator on exit, no canonical file"
     size: [16384, 65536]
     description: "SRAM image for XVI"
     source_ref: "xm6g.pdf p.18, xm6g.exe:0x140592350 index 15"
@@ -299,6 +301,7 @@ files:
   - name: SRAMCMP.DAT
     system: sharp-x68000
     required: false
+    unsourceable: "written by the emulator on exit, no canonical file"
     size: [16384, 65536]
     description: "SRAM image for Compact"
     source_ref: "xm6g.pdf p.18, xm6g.exe:0x140592350 index 16"
@@ -308,6 +311,7 @@ files:
   - name: SRAM030.DAT
     system: sharp-x68000
     required: false
+    unsourceable: "written by the emulator on exit, no canonical file"
     size: [16384, 65536]
     description: "SRAM image for X68030, 040turbo and 060turbo"
     source_ref: "xm6g.pdf p.18, xm6g.exe:0x140592350 index 17"
@@ -318,6 +322,7 @@ files:
   - name: RTC.DAT
     system: sharp-x68000
     required: false
+    unsourceable: "written by the emulator on exit, no canonical file"
     description: "RTC alarm settings for timer start"
     source_ref: "xm6g.pdf p.18, xm6g.exe:0x140592350 index 18"
     note: >-