65816.js/TODO

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2011-05-06 03:37:58 +00:00
Testing:
- More tests for branching operations
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- More tests for CMP/CPY/CPX operations
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- Tests needed for JMP operations
- Tests needed for LD* and ST* operations
- Tests needed for IN* and DE* operations
- Tests needed for T** transfer operations
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- Tests needed for interrupt support
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- Tests needed for the numerous other operations added
Operations Not Yet Implemented:
- 0x04 : TSB direct page
- 0x0c : TSB absolute
- 0x14 : TRB direct page
- 0x1c : TRB absolute
- 0x24 : BIT direct page
- 0x2c : BIT absolute
- 0x34 : BIT direct page indexed x
- 0x3c : BIT absolute indexed x
- 0x42 : WDM
- 0x5c : JMP absolute long
- 0x7c : JMP absolute indexed x indirect
- 0x89 : BIT immediate
- 0x9a : TXS
- 0xba : TSX
- 0xcb : WAI
- 0xdb : STP
- 0xdc : JMP absolute indirect long
- 0xfc : JSR absolute indexed x indirect
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CPU:
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- More work on interrupts
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- Decimal mode support
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- Have each operation return the number of cycles used by the execute function.
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- Optimization
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Memory:
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- Bank wrapping or not wrapping for certain addressing modes and with certain
settings
- Page wrapping or not wrapping for certain addressing modes and with certain
settings
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- ROM protection
- Memory mapped I/O
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Display:
- Using the html page included provide a nice interface for using the cpu
emulator and provide many features helpful for debugging
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- Assembler and disassembler