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|
;
; morse.i
;
;
; Macro to convert ascii strings and numbers to encoded morse code data.
; Uses macro recursion.
;
morsedata macro ; opcode,arg1,arg2,...
if isstr(\2)
morse_string \1,\2,0
else
if streq("\2","")
exitm
endif
morsechar \1,\2
endif
morsedata \1,\3,\4,\5,\6,\7,\8,\9
endm
;
; This macro converts strings to morse code.
; Called from the morsedata macro.
; Also recursive.
;
morse_string macro ;string, startpos
if chrval(\2,\3) >= 0
morsechar \1,chrval(\2,\3)
morse_string \1,\2,\3+1
endif
endm
;
; a big macro to convert one character of
; ASCII to morse code at assembly time
;
; zero bit represents a dot, and one bit represents a dash.
; the code is right-justified inside a byte, and is preceeded
; by a start bit of one (and padded with zero bits).
;
morsechar macro ; opcode,asciicode
if (\2 == 32)
\1 0xff ;special code for space
exitm
endif
if (\2 == '"')
\1 1010010b ; .-..-.
exitm
endif
if (\2 == '(')
\1 1101101b ; -.--.-
exitm
endif
if (\2 == ')')
\1 1101101b ; -.--.-
exitm
endif
if (\2 == ',')
\1 1110011b ; --..--
exitm
endif
if (\2 == '-')
\1 1100001b ; -....-
exitm
endif
if (\2 == '.')
\1 1101010b ; -.-.-.
exitm
endif
if (\2 == '/')
\1 110010b ; -..-.
exitm
endif
if (\2 == '0')
\1 111111b ; -----
exitm
endif
if (\2 == '1')
\1 101111b ; .----
exitm
endif
if (\2 == '2')
\1 100111b ; ..---
exitm
endif
if (\2 == '3')
\1 100011b ; ...--
exitm
endif
if (\2 == '4')
\1 100001b ; ....-
exitm
endif
if (\2 == '5')
\1 100000b ; .....
exitm
endif
if (\2 == '6')
\1 110000b ; -....
exitm
endif
if (\2 == '7')
\1 111000b ; --...
exitm
endif
if (\2 == '8')
\1 111100b ; ---..
exitm
endif
if (\2 == '9')
\1 111110b ; ----.
exitm
endif
if (\2 == ':')
\1 1111000b ; ---...
exitm
endif
if (\2 == '=')
\1 110001b ; -...-
exitm
endif
if (\2 == '?')
\1 1001100b ; ..--..
exitm
endif
if (\2 == 'A') | (\2 == 'a')
\1 101b ; .-
exitm
endif
if (\2 == 'B') | (\2 == 'b')
\1 11000b ; -...
exitm
endif
if (\2 == 'C') | (\2 == 'c')
\1 11010b ; -.-.
exitm
endif
if (\2 == 'D') | (\2 == 'd')
\1 1100b ; -..
exitm
endif
if (\2 == 'E') | (\2 == 'e')
\1 10b ; .
exitm
endif
if (\2 == 'F') | (\2 == 'f')
\1 10010b ; ..-.
exitm
endif
if (\2 == 'G') | (\2 == 'g')
\1 1110b ; --.
exitm
endif
if (\2 == 'H') | (\2 == 'h')
\1 10000b ; ....
exitm
endif
if (\2 == 'I') | (\2 == 'i')
\1 100b ; ..
exitm
endif
if (\2 == 'J') | (\2 == 'j')
\1 10111b ; .---
exitm
endif
if (\2 == 'K') | (\2 == 'k')
\1 1101b ; -.-
exitm
endif
if (\2 == 'L') | (\2 == 'l')
\1 10100b ; .-..
exitm
endif
if (\2 == 'M') | (\2 == 'm')
\1 111b ; --
exitm
endif
if (\2 == 'N') | (\2 == 'n')
\1 110b ; -.
exitm
endif
if (\2 == 'O') | (\2 == 'o')
\1 1111b ; ---
exitm
endif
if (\2 == 'P') | (\2 == 'p')
\1 10110b ; .--.
exitm
endif
if (\2 == 'Q') | (\2 == 'q')
\1 11101b ; --.-
exitm
endif
if (\2 == 'R') | (\2 == 'r')
\1 1010b ; .-.
exitm
endif
if (\2 == 'S') | (\2 == 's')
\1 1000b ; ...
exitm
endif
if (\2 == 'T') | (\2 == 't')
\1 11b ; -
exitm
endif
if (\2 == 'U') | (\2 == 'u')
\1 1001b ; ..-
exitm
endif
if (\2 == 'V') | (\2 == 'v')
\1 10001b ; ...-
exitm
endif
if (\2 == 'W') | (\2 == 'w')
\1 1011b ; .--
exitm
endif
if (\2 == 'X') | (\2 == 'x')
\1 11001b ; -..-
exitm
endif
if (\2 == 'Y') | (\2 == 'y')
\1 11011b ; -.--
exitm
endif
if (\2 == 'Z') | (\2 == 'z')
\1 11100b ; --..
exitm
endif
~ ;Error: Character not in morse code table!
endm ; end of morsechar macro
|
