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author arbee <rb6502@users.noreply.github.com>2026-04-02 22:28:14 -0400
committer arbee <rb6502@users.noreply.github.com>2026-04-02 22:28:14 -0400
commit218cf0d247a51d96ae1c77752d116659be976c8c (patch)
treed19201c0ab634c2ebb6c23ef9a0890089b85d18f /scripts/extlib.lua
parent34dff7398920ed85ae63e71b9f9c68eaeb7bb5b1 (diff)
cpu/powerpc: Fix several errors in the 601 legacy POWER instructions [R. Belmont]
- DOZI: the immediate value needed to be sign-extended, an unsigned comparison was used where signed is correct, and the operation is a subtract, not an add - DOZ: same errors as DOZI minus the sign extension since there's no immediate involved - ABS/NABS: fix the condition register update - MASKIR: flag update was trashing the result register and CR0 wasn't updated - Also fixed a typo in a comment for DIVWx (code was correct)
Diffstat (limited to 'scripts/extlib.lua')
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