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Intel 8085
1976
Intel's 1976 8-bit update to the 8080 needing only a single 5-volt supply, common in embedded and training systems.
Reference & documentation
External technical references for programming Intel 8085 and for writing emulators.
| Resource | Type | Notes |
|---|---|---|
| Intel 8085A Datasheet ↗ | Datasheet | Canonical Intel datasheet: electricals, AC timing |
| Intel 8085 Opcode Table (pastraiser) ↗ | Instruction set | Full 256-opcode grid: bytes, cycles, flags |
| Unspecified/Undocumented 8085 Instructions ↗ | Instruction set | Hidden opcodes: DSUB, LDHI, LDSI, RDEL, ARHL |
| Intel MCS-80/85 Family User's Manual ↗ | Interrupt list | RST 5.5/6.5/7.5, TRAP vectors and masking |
| Intel MCS-80/85 Family User's Manual ↗ | Memory map | 64K address space, I/O map, system interfacing |
| Intel MCS-80/85 Family User's Manual ↗ | Pinout | 40-pin descriptions, multiplexed bus, signal timing |
| Intel 8080/8085 Assembly Language Programming Manual ↗ | Programming | Official Intel assembler manual; every instruction detailed |
| Reverse-engineering the 8085's flag circuits (Ken Shirriff) ↗ | Reference | Silicon-level flag behavior incl. undocumented X5/V |
| sim8085 - C-based 8085 emulator core ↗ | Source | Readable C simulator (src/core/8085.c), assembler, debugger |