The following alternate roms are in alternate_roms directory:


aszmice07.rom - ASZMIC E07 ROM - ZX80/ZX81 Replacement ROM which includes assembler & debugger
This rom is actually 4K long, but it starts at 4000H. So it is copied twice to be 8k length to work on ZX81

ace.rom: patch by "Dutra.Lacerda" (https://t.me/JupiterACE)
3 words Restored, CODE word added (Sieve*10=5m W=16.4x) GPL3 DISTRO

opense.rom  OpenSE BASIC Version 3.1.2, For Spectrum 48K
http://sourceforge.net/projects/sebasic/


sebasic4_rom1.rom SEBASIC standalone ROM 1 supporting the normal 32x24 mode, Version 4.1.0, For Spectrum 48K
https://github.com/cheveron/sebasic4/wiki

derby_p_32K.rom, derby_pp_64K.rom: Derby+ and Derby++ roms, for Spectrums with 128KB of RAM
and 32K or 64 KB of ROM
https://zx.itch.io/derbypro


plus3e_mmcen3eE.rom  plus3e_mmces3eE.rom
+3e ROMs v1.38. For Spectrum +2A/+3 models
http://www.worldofspectrum.org/zxplus3e/p3eroms.html
The first on English, the second on Spanish
Both for mmc interface, you can enable MMC and ZXMMC emulation on ZEsarUX. 

plus3e_sm8en3eE.rom plus3e_sm8es3eE.rom
+3e ROMs v1.38. For Spectrum +2A/+3 models
http://www.worldofspectrum.org/zxplus3e/p3eroms.html
The first on English, the second on Spanish
Both for ide 8-bit simple



plus2c.rom ZX Spectrum Plus 2C, For Spectrum 128k/+2
Unofficial ROM by Andrew Owen


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plus2b.rom: +2B ROM Set. For Spectrum +2A/+3 models

The +2B ROM set includes the following:

ROM 0 - debugged UK 128 editor 
ROM 1 - original 16K BASIC ROM
ROM 2 - RT Russell's BBC BASIC (Z80) ported by JG Harston:

        http://mdfs.net/Software/BBCBasic/Spectrum/

ROM 3 - OpenSE BASIC 3.1.1:

        http://sourceforge.net/projects/sebasic/

The menu options are as follows:

* SE BASIC
  fully debugged, optimized, and enhanced version of Sinclair BASIC

* BBC BASIC
  arguably the best version of classic BASIC with inline Z80 assembler

* 128 BASIC
  fully debugged, new menu system, and virtual numeric keypad support

* 48 BASIC
  the original 1982 ROM, memory paging switched off

* USR 0
  the original 1982 ROM, memory paging enabled




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Z88UK220.rom  
Z88UK300.rom 
Z88UK400.rom
Z88OZ431.rom  
Z88OZ441.rom  
Z88OZ45.rom
Z88OZ46.rom
Z88OZ47.rom

Different Z88 ROM versions. The default is Z88OZ47.rom.


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tk90x_v1br.rom: Brasilian 
tk90x_v2es.rom: Fixed tk90x rom


tk95es_modif.rom: Microdigital TK95 Spanish ROM with modifications by Rodolfo Edison Guerra:
* Fixed messages:
"Variable inexiste" to "Variable incierta"
"Ok" to "OK"
"TK Color Computer" to "TK 95 - Color Computer"
* Changed symbols Sigma to pound, and Delta to (c) 



