Master Everdrive X7 Firmware (OS)

SMSOS-v1.00.zip 2018-02-27 14:22

SMSOS-v1.01.zip 2018-03-30 15:32

SMSOS-v1.02.zip 2018-06-08 17:55

SMSOS-v1.03.zip 2019-09-04 16:24

SMSOS-v1.04.zip 2019-12-03 02:21


SMSOS-v1.04 03.12.2019
1)Fixed palette lost during save state in sg-1000 games on gamegear
2)FM chip muting at reset (untested)

SMSOS-v1.03 04.09.2019
1)Supports 4MB ROMs (256Banks). Last 8 banks occupied by OS, so effective size is 248 banks. Feature works only in pair with FPGA core v02

SMSOS-v1.02 08.06.2018
1) Scrolling registers initialization (fixes OutRun Europa)

SMSOS-v1.01 30.03.2018
1) Fixed false detection of battery discharge status. At first boot OS will show "Battery has run dry" message