source Winbond 9925, the program was written with C51, and they VFD like, we can look at the

Packet : 694917509925vcd.rar filelist
9925vcd
9925vcd\BV.C
9925vcd\BV.H
9925vcd\CC.BAT
9925vcd\CC.C
9925vcd\CC.H
9925vcd\CC1.C
9925vcd\CC1MB.BAT
9925vcd\CDINFO.C
9925vcd\CDINFO.H
9925vcd\CDINFO2.C
9925vcd\CDROM.H
9925vcd\CHIP.C
9925vcd\CHIP.H
9925vcd\COM1MB.BAT
9925vcd\COMALL.BAT
9925vcd\DEVELOP.PRJ
9925vcd\DIGEST.C
9925vcd\DIGEST.H
9925vcd\FONTS.TXT
9925vcd\ID.BAT
9925vcd\INPUT.C
9925vcd\INPUT.H
9925vcd\INTVEC.A51
9925vcd\IR.H
9925vcd\ISR.C
9925vcd\ISR.H
9925vcd\KARAOKE.C
9925vcd\KARAOKE.H
9925vcd\KEY.H
9925vcd\L51_BANK.A51
9925vcd\LINK1MB.BAT
9925vcd\LINK1MB.LIN
9925vcd\LINKALL.BAT
9925vcd\LINKOBJ.LIN
9925vcd\LINKOME.LIN
9925vcd\LOGO.TXT
9925vcd\LOGO64.TXT
9925vcd\MAKELIB.BAT
9925vcd\OSD.C
9925vcd\OSD.H
9925vcd\PANEL.C
9925vcd\PANEL.H
9925vcd\PIO.H
9925vcd\README.TXT
9925vcd\STARTUP.A51
9925vcd\SWOSD.C
9925vcd\UTL.C
9925vcd\UTL.H
9925vcd\VCD.BIN
9925vcd\VCD20.C
9925vcd\VCD20.H
9925vcd\VCD25.H
9925vcd\VCD25QF.BIN
9925vcd\VFD_CTRL.H
9925vcd\W9925.C
9925vcd\W9925.H
9925vcd\VCD25QF.M51
9925vcd\set-env.BAT
9925vcd\VCD25QF.B00
9925vcd\VCD25QF.B01
9925vcd\VCD25QF.H00
9925vcd\VCD25QF.H01
9925vcd\c.bat
9925vcd\g6001.obj
9925vcd\servo1.obj
9925vcd\cdrom.obj
9925vcd\L51_BANK.OBJ
9925vcd\L51_BANK.LST
9925vcd\BV.OBJ
9925vcd\CC.OBJ
9925vcd\CC1.OBJ
9925vcd\CHIP.OBJ
9925vcd\DIGEST.OBJ
9925vcd\INPUT.OBJ
9925vcd\ISR.OBJ
9925vcd\OSD.OBJ
9925vcd\PANEL.OBJ
9925vcd\SWOSD.OBJ
9925vcd\UTL.OBJ
9925vcd\W9925.OBJ
9925vcd\KARAOKE.OBJ
9925vcd\VCD20.OBJ
9925vcd\CDINFO.OBJ
9925vcd\CDINFO2.OBJ
9925vcd\VCD25QF
9925vcd\lib
9925vcd\lib\G6001.OBJ
9925vcd\lib\SERVO1.OBJ
9925vcd\lib\CDROM.OBJ

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