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SAGA register intake: SAGA-specific registers - #18

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WDrijver merged 12 commits into

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intake-saga-registers

Nov 4, 2026

Merged

SAGA register intake: SAGA-specific registers#18
WDrijver merged 12 commits into
mainfrom
intake-saga-registers

Commits on Nov 4, 2026
- SAGA register intake: SAGA-specific registers into core/saga-registers/
  
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- SAGA registers: $DFF3EC write-only, $DFF3EE read and write
  
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- SAGA registers: 32x32 pointer sprite from Core 12500
  
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- SAGA registers: PIP formats and transparent colours
  
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- SAGA registers: SAGA has the 8 classic sprites
  
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- SAGA registers: write-only registers read back at $DFExxx
  
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- SAGA registers: 32-bit Copper MOVE in SAGA mode
  
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- SAGA registers: the Copper facts are from Gunnar (G)
  
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- SAGA registers: Copper in SAGA mode reaches every SAGA register
  
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- Best practice: prefer library calls over direct SAGA register access
  
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- SAGA registers: only $DFF0xx and $DFF1xx have read-back shadows
  
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- SAGA registers: Arne periods count Paula's clock (G)
  
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