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pico-sdk/src/rp2_common/pico_stdio_semihosting
Brian Starkey a119b5bd9f Fix semihosting_putc (#530)
Per the Arm semihosting protocol documentation[1], the SYS_WRITEC command
expects *a pointer to* the character to be printed in r1, not the
character itself.

[1] https://developer.arm.com/documentation/dui0471/g/Semihosting/SYS-WRITEC--0x03-?lang=en
2021-10-04 13:24:50 -05:00
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