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Provides extended ROM details for the VIC-20 and Oric.

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This commit is contained in:
Thomas Harte
2019-07-22 22:15:44 -04:00
parent a3ad0ab09b
commit dbee37ab34
5 changed files with 47 additions and 28 deletions
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7
Machines/MasterSystem/MasterSystem.cpp
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@@ -133,8 +133,11 @@ class ConcreteMachine:
// Load the BIOS if relevant.
if(has_bios()) {
// TODO: there's probably a million other versions of the Master System BIOS; try to build a
// CRC32 catalogue of those.
const auto roms = rom_fetcher({ {"MasterSystem", "the Master System BIOS", "bios.sms", 8*1024, 0x0072ed54} });
// CRC32 catalogue of those. So far:
//
// 0072ed54 = US/European BIOS 1.3
// 48d44a13 = Japanese BIOS 2.1
const auto roms = rom_fetcher({ {"MasterSystem", "the Master System BIOS", "bios.sms", 8*1024, { 0x0072ed54, 0x48d44a13 } } });
if(!roms[0]) {
// No BIOS found; attempt to boot as though it has already disabled itself.
memory_control_ |= 0x08;