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[Core/CD] disabled Boot ROM loading automatic detection when Mode 1 is enabled

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This commit is contained in:
ekeeke 2022-02-25 16:42:58 +01:00
parent 58accf0689
commit ee5b917c32
2 changed files with 21 additions and 21 deletions
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40
core/loadrom.c
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@ -3,7 +3,7 @@
* ROM Loading Support * ROM Loading Support
* *
* Copyright (C) 1998-2003 Charles Mac Donald (original code) * Copyright (C) 1998-2003 Charles Mac Donald (original code)
* Copyright (C) 2007-2021 Eke-Eke (Genesis Plus GX) * Copyright (C) 2007-2022 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met:
@ -726,25 +726,6 @@ int load_rom(char *filename)
scd.cartridge.boot = 0x00; scd.cartridge.boot = 0x00;
} }
/* CD BOOTROM */
else if (strstr(rominfo.ROMType, "BR") != NULL)
{
/* enable CD hardware */
system_hw = SYSTEM_MCD;
/* boot from CD hardware */
scd.cartridge.boot = 0x00;
/* copy ROM to BOOTROM area */
memcpy(scd.bootrom, cart.rom, sizeof(scd.bootrom));
/* mark CD BIOS as being loaded */
system_bios = system_bios | 0x10;
/* loaded CD BIOS region */
system_bios = (system_bios & 0xf0) | (region_code >> 4);
}
/* 16-bit ROM cartridge (max. 8MB) with optional CD hardware add-on support enabled */ /* 16-bit ROM cartridge (max. 8MB) with optional CD hardware add-on support enabled */
else if ((system_hw == SYSTEM_MD) && (cart.romsize <= 0x800000) && (config.add_on != HW_ADDON_NONE)) else if ((system_hw == SYSTEM_MD) && (cart.romsize <= 0x800000) && (config.add_on != HW_ADDON_NONE))
{ {
@ -799,6 +780,25 @@ int load_rom(char *filename)
cdd_unload(); cdd_unload();
} }
} }
/* CD BOOTROM */
else if (strstr(rominfo.ROMType, "BR") != NULL)
{
/* enable CD hardware */
system_hw = SYSTEM_MCD;
/* boot from CD hardware */
scd.cartridge.boot = 0x00;
/* copy ROM to BOOTROM area */
memcpy(scd.bootrom, cart.rom, sizeof(scd.bootrom));
/* mark CD BIOS as being loaded */
system_bios = system_bios | 0x10;
/* loaded CD BIOS region */
system_bios = (system_bios & 0xf0) | (region_code >> 4);
}
} }
/* Force system hardware if requested */ /* Force system hardware if requested */

2
core/loadrom.h
View File

@ -3,7 +3,7 @@
* ROM Loading Support * ROM Loading Support
* *
* Copyright (C) 1998-2003 Charles Mac Donald (original code) * Copyright (C) 1998-2003 Charles Mac Donald (original code)
* Copyright (C) 2007-2021 Eke-Eke (Genesis Plus GX) * Copyright (C) 2007-2022 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met: