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abort on swap halfword transfers

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This commit is contained in:
Matthew Berry 2021-04-01 23:18:58 -07:00
parent 6f7f10d292
commit c57bb1e4bf
2 changed files with 2 additions and 0 deletions
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1
src/crab/arm/halfword_data_transfer_imm.cr
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@ -23,6 +23,7 @@ module ARM
case sh
when 0b00 # swp, no docs on this?
abort "HalfwordDataTransferReg swp #{hex_str instr}"
when 0b01 # ldrh/strh
if load
set_reg(rd, @gba.bus.read_half_rotate address)

1
src/crab/arm/halfword_data_transfer_reg.cr
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@ -22,6 +22,7 @@ module ARM
case sh
when 0b00 # swp, no docs on this?
abort "HalfwordDataTransferReg swp #{hex_str instr}"
when 0b01 # ldrh/strh
if load
set_reg(rd, @gba.bus.read_half_rotate address)