Questions tagged [8080]

For questions about the Intel 8080 8-bit microprocessor

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11
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1answer
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8080/8085 Instruction Test Suite

(This question was inspired by Comprehensive test suites for MOS 6520 PIA / 6522 VIA / 6526 CIA) Is there a comprehensive test suite for the Intel 808X series of processors? Something that would ...
10
votes
1answer
1k views

What are the technical differences between the Midway 8080 and Taito 8080 hardware boards?

In my research on 1970s-era arcade machines, I've noticed that both Midway and Taito created games which used Intel's 8080 microprocessor. However, each company had their own host boards which ...
15
votes
2answers
3k views

What was the first arcade game to use a microprocessor instead of discrete logic?

Many authors credit Space Invaders as the first blockbuster game to have been written with an onboard microprocessor (Taito used Intel's 8080 for game logic), but there is also references to Taito's ...
8
votes
2answers
925 views

Intel 8080 Read/Set Interrupt Mask Instructions

According to Intel's 8080-8085 Assembly Language Programming guide, the OP Code 20 corresponds to the Read Interrupt Mask (RIM) instruction, and 30 corresponds to the Set Interrupt Mask (SIM) ...

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