Commit Graph

10 Commits

Author SHA1 Message Date
brandman211 0d20c133a5 -Moved the reset address to the CP1610 and made RegisterSP/PC private.
-Created helper functions for indirect ops; Indirect_Set will be needed for interrupts.
2012-08-06 15:51:35 +00:00
brandman211 a19b76e6cc Added Interruptible and assigned it for every op. 2012-08-05 07:04:03 +00:00
brandman211 e9a8980f0c -Throw exceptions for TCI, SIN, and BEXT.
-Added and logged INTRM, BUSRQ, BUSAK, and MSYNC.
2012-08-05 06:47:00 +00:00
brandman211 b83bb1901d -When neither the cartridge nor hardware responds to a read, it now returns 0xFFFF instead of throwing an exception.
-I will now assume that 0x7000 is not mapped for the sake of continuing on. I will need to implement a mapper system shortly though.
--Did the same thing for 0x4800.
-AND@, MOVR, CMP enabled.
-Made the logging separator generate before an instruction instead of after the register states. This is quite petty, but I don't like the separator at the end of the file.

I hit an infinite loop, and I'm very very certain it's happening because I don't have an interrupt system yet. Time to stop avoiding that!
2012-08-05 05:59:55 +00:00
brandman211 80a0f8f75b -Made Intellicart its own class.
-Separated cartridge logic into a separate ICart named Cartridge.cs.
-Made WriteMemory return a bool to match ICart.Write. It currently returns true if either the cart or the core responded.

TODO: Parse the vanilla Intellivision ROM, which will hopefully include the read / writability of the data segments. adelikat seems to think that I just need to send the bytes to $5000, but I'm not convinced.
2012-07-31 06:54:20 +00:00
brandman211 743480e26f -Logging now uses a static StreamWriter instead of building the string and writing on destruction.
-Applied to the old Gameboy core. Why not? It at least fixes that annoying bug from before if we ever care to use it again.
-Both logs are now written to different files.
2012-07-22 18:40:28 +00:00
brandman211 9f2bcf3318 -Fixed logging.
--It now just builds a strings and writes on finalization.
-Fixed up format strings.
-As RegisterPC already increments upon reading the third decle, I now just store PC as the return address for jumping instead of PC + 1.
2012-07-22 18:08:10 +00:00
brandman211 60c5a1ce58 Added logging for the CP1610. Not working for some reason. 2012-07-22 17:18:11 +00:00
brandman211 32baa013af -Made the memory map use ushort arrays because the Intellivision is 16-bit.
-Fixed JMP disassembly; I need to return on an invalid opcode because I was breaking out of the inner switch statement, not both that and the outer one.
2012-07-09 23:19:57 +00:00
brandman211 2457c68ed7 Starting IntelliHawk with the CP1610, using the other processors in BizHawk, BlissJ, and this (http://wiki.intellivision.us/index.php?title=CP1610) page as references.
-Definitions.
--Registers, Flags, TotalExecutedCycles, PendingCycles, ReadMemory, and WriteMemory.
-Execute.
--Implemented opcodes 0x001-0x027 with the exception of 0x004 and 0x005.
2012-07-08 00:36:16 +00:00