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new boot: 

- refactoring code;
This commit is contained in:
mtabachenko 2013-07-26 08:24:38 +00:00
parent ef6daf9c10
commit 0468380d12
1 changed files with 58 additions and 61 deletions
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119
desmume/src/addons/slot1_retail.cpp
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@ -44,74 +44,71 @@ static void write32_GCROMCTRL(u8 PROCNUM, u32 val)
{
nds_dscard& card = MMU.dscard[PROCNUM];
switch(card.command[0])
if (card.mode == CardMode_Normal)
{
case 0x00: //Data read (0000000000000000h Get Cartridge Header) - len 200h bytes
case 0xB7:
card.address = (card.command[1] << 24) | (card.command[2] << 16) | (card.command[3] << 8) | card.command[4];
card.transfer_count = 0x80;
switch(card.command[0])
{
case 0x00: //Data read (0000000000000000h Get Cartridge Header) - len 200h bytes
case 0xB7:
card.address = (card.command[1] << 24) | (card.command[2] << 16) | (card.command[3] << 8) | card.command[4];
card.transfer_count = 0x80;
break;
case 0x90: // 1st Get ROM Chip ID - len 4 bytes
case 0xB8:
card.address = 0;
card.transfer_count = 1;
break;
default:
card.address = 0;
card.transfer_count = 0;
printf("ARM%c: SLOT1 invalid command %02X (write) - CardMode_Normal\n", PROCNUM?'7':'9', card.command[0]);
break;
}
return;
}
if (card.mode == CardMode_KEY1 || card.mode == CardMode_KEY2)
{
u8 cmd = (card.command[0] >> 4);
switch(cmd)
{
case 0x01: // 2nd Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
break;
case 0x90: // 1st Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
default:
card.address = 0;
card.transfer_count = 0;
printf("ARM%c: SLOT1 invalid command %02X (write) - %s\n", PROCNUM?'7':'9', cmd, (card.mode == CardMode_KEY1)?"CardMode_KEY1":"CardMode_KEY2");
break;
}
return;
}
if (card.mode == CardMode_DATA_LOAD)
{
switch(card.command[0])
{
case 0xB7: // Encrypted Data Read (B7aaaaaaaa000000h) - len 200h bytes
card.address = (card.command[1] << 24) | (card.command[2] << 16) | (card.command[3] << 8) | card.command[4];
card.transfer_count = 0x80;
break;
case 0xB8: // 3rd Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
case 0xB8: // 3nd Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
break;
default:
if (card.mode == CardMode_KEY1 || card.mode == CardMode_KEY2)
{
u8 cmd = (card.command[0] >> 4);
switch(cmd)
{
case 0x01: // 2nd Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
break;
default:
card.address = 0;
card.transfer_count = 0;
printf("ARM%c: SLOT1 invalid command %02X (write) - CardMode_KEY1/CardMode_KEY2 mode\n", PROCNUM?'7':'9', cmd);
break;
}
return;
}
if (card.mode == CardMode_DATA_LOAD)
{
switch(card.command[0])
{
case 0xB7:
card.address = (card.command[1] << 24) | (card.command[2] << 16) | (card.command[3] << 8) | card.command[4];
card.transfer_count = 0x80;
break;
case 0xB8: // 3nd Get ROM Chip ID - len 4 bytes
card.address = 0;
card.transfer_count = 1;
break;
default:
card.address = 0;
card.transfer_count = 0;
printf("ARM%c: SLOT1 invalid command %02X (write) - CardMode_DATA_LOAD mode\n", PROCNUM?'7':'9', card.command[0]);
break;
}
return;
}
card.address = 0;
card.transfer_count = 0;
#ifdef _NEW_BOOT
printf("ARM%c: SLOT1 invalid command %02X (write)\n", PROCNUM?'7':'9', card.command[0]);
#endif
break;
default:
card.address = 0;
card.transfer_count = 0;
printf("ARM%c: SLOT1 invalid command %02X (write) - CardMode_DATA_LOAD\n", PROCNUM?'7':'9', card.command[0]);
break;
}
return;
}
}