Improve readChar - Githubissues

TheThirdOne / rars

RARS -- RISC-V Assembler and Runtime Simulator

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Improve readChar #191

Open privat opened 11 months ago

privat commented 11 months ago

readChar has various issues:

it consumes a whole line of text, truncate it at the first character and lose what remain
is not able to read newline character (it just aborts)
also aborts on EOF

This PR proposes that:

readChar reads the next byte in the input (run panel or stdin) and use it as the result
\n is not special and just return 10
return -1 (signed 32/64 bit) on EOF

The PR also add tests for readChar, readString and read