Apollo Core 68080 is not only the fastest 68000 series CPU ever, it also is the most fully featured.
Feature | 68000 | 68020 | 68030 | 68040 | 68060 | AC 68080 |
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68 ISA | | | | | | | Extended EA-modes | | | | | | | BITFIELDS | | | | | | | 64Bit MUL | | | | | | | 64Bit DIV | | | | | | | Inst Cache | | | | | | | Data Cache | | | | | | | Fully pipelined | | | | | | | Super Scalar | | | | | | | Store Buffer | | | | | | | Static Branch Prediction | | | | | | | Dynamic Branch Prediction | | | | | | | Branch Target Cache | | | | | | | Conditional Rewrite | | | | | | | Linkstack | | | | | | | Instruction Fusing | | | | | | | Instruction Bonding | | | | | | | 64-Bit Support | | | | | | | 3-opp instr | | | | | | | Memory-Prefetch | | | | | | | Multimedia Extension | | | | | | | 3D Instructions | | | | | | | Selfmodify Support | | | | | | | Integrated FPU | | | | | | | Pipelined FPU | | | | | | | Out of Order FPU | | | | | | | Out of Order CPU | | | | | | | Peak Inst/Cycle |
0.25 |
0.5 |
0.5 |
1 |
2 |
4 |
Apollo Core 68080 advantages:
- Fully Pipelined
- Superscalar
- Executes up to 4 instructions per clock cycle
- Two address calculation engines
- Two integer execution engines
- Market leading code density
- Optimal cache utilization
- Separate data and instruction caches, supporting concurrent fetch/read/write per clock cycle
- Automatic memory prefetching
- Memory stream detection
- Store buffer
- Branch prediction
- Fully pipelined, 64bit SIMD AMMX Vector unit
- Fully pipelined, double precision FPU
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