11 March 2016 - Forum Rules
Started by nesrocks, April 17, 2016, 03:19:55 PM
Quote from: nesrocks on April 17, 2016, 03:19:55 PMIs there a way to use breakpoints when reading from specific ROM addresses? How does that even work? On the debugger I only see references to things loaded in RAM, cpu memory and such. How does an assembly opcode read from ROM? Can anyone shed some light on this?
0000-07FF = System RAM2000-2007 = PPU registers4000-4017 = APU / controller / DMA registers6000-7FFF = on-cartridge RAM (SRAM). Not always available -- depends on mapper & game8000-FFFF = on-cartridge PRG (ROM). Exact placement depends on mapper & game- other regions are either not mapped to anything or are mirrors
Quote from: nesrocks on April 17, 2016, 03:19:55 PMHow does an assembly opcode read from ROM? Can anyone shed some light on this?
Quote from: nesrocks on April 17, 2016, 10:45:50 PMThe rom hack I'm working on is of a mapper 2 game, Super Pitfall.
QuoteI still wish there was a way to backtrack executed code starting from a breakpoint, I feel like that'd be amazing.
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