23 lines
998 B
Text
23 lines
998 B
Text
# Serial Port
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This was adapted from the RETRO9 serial driver. To use it,
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set the `serial:Port` variable to the port you want to use.
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Then do `serial:init` and read/write as necessary.
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~~~
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#1016 'serial:COM1 const
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#760 'serial:COM2 const
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#1000 'serial:COM3 const
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#744 'serial:COM4 const
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serial:COM1 'serial:Port var<n>
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:serial:received? @serial:Port #5 + pio:in-byte #1 and n:-zero? ;
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:serial:empty? @serial:Port #5 + pio:in-byte #32 and n:-zero? ;
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:serial:read serial:received? [ @serial:Port pio:in-byte ] if; serial:read ;
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:serial:write serial:empty? [ @serial:Port pio:out-byte ] if; serial:write ;
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:serial:send [ serial:write ] s:for-each ;
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:serial:init #0 @serial:Port #1 + pio:out-byte #128 @serial:Port #3 + pio:out-byte
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#3 @serial:Port pio:out-byte #0 @serial:Port #1 + pio:out-byte
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#3 @serial:Port #3 + pio:out-byte #199 @serial:Port #2 + pio:out-byte
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#11 @serial:Port #4 + pio:out-byte ;
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~~~
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