NEO SNES Myth Cart Upgrade Core V2.1 released (soft-reset and SD fix)

October 10th, 2010, 23:23 Posted By: wraggster

News via http://www.neoflash.com/go/index.php...d=379&Itemid=1

NEO_SNES_Myth_Cart_Upgrade_Core_V2.1 released

the modify history:
[1] add soft-reset function
[2] fix the SD card read/write issue

about soft-reset function:
$00C050 SET 0X00 don't back to MENU
0X01 hold RESET over 3 seconds then back to MENU
0X02 press RESET then back to MENU
0X03 use software control back to MENU

about the software MENU
$00C012 SET 0X01 $003800~$003FFF RAM READ ON <CPLD RAM
$00C015 SET 0X01 $003800~$003FFF RAM WRITE ON <CPLD RAM

1.GAME $FFEA:XX YY move to 3FF0
3FF0:XX YY

2.GAME $FFEA XX YY need change to 00 3E

$3E00 PHP
PHA
LDA $004219
CMP #$30 ( SEL+START )
BEQ SRET
PLA
PLP
JMP ($3FF0) << JUMP NMI

SRET:
STA $00FFFF << RESET CPLD IO
NOP
JMP ($FFFC) << JUMP MENU

Download : http://www.neoflash.com/forum/index.php/topic,6383

For more information and downloads, click here!

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