Add an SDL sound backend and use it instead of spawning an external

[micropolis] / images / icersr.xpm

/* XPM */
static char *noname[] = {
/* width height ncolors chars_per_pixel */
"34 34 8 1",
/* colors */
"# c #000000"
"` c #7F7F7F",
"a c #5D5D5D",
"  c #FFFFFF",
"c c #FFFF00",
"d c #FF7700",
"e c #BFBFBF",
"f c #3F3F3F"
/* pixels */
"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
"effffffffffffffffffffffffffffffffa",
"effffffffffffffffffffffffffffffffa",
"effaaaaaaaaaaaaaaaaaaaaaaaaaaaaffa",
"effa# # # # # # # # # # # # # effa",
"effa # # # # # # # # # # # # #effa",
"effa# # # # # # # # # # # # # effa",
"effa # # # # f # # # # # # # #effa",
"effa# # # # fff # # # # # # # effa",
"effa # # # fffff # # # # # # #effa",
"effa# # # fffffff # # # # # # effa",
"effa # # fffffffff # # # # # #effa",
"effa# # `ffffffffff # # # # # effa",
"effa # ```ffffffffff # # # # #effa",
"effa# #````ffffffffff e e e e effa",
"effa # #````ffffffffff e e e eeffa",
"effa# # #````ffffffffffeeeeeeeeffa",
"effa # # #````ffffffffff # # #effa",
"effa# #e# #````fffffffffa # # effa",
"effa # #e# #````fffffffaaa # #effa",
"effa# # #e# #````fffffaaaa# # effa",
"effa # # #e# #````fffaaaa# # #effa",
"effa# #e# #e# #````faaaa# # # effa",
"effa # #e# #e# #```aaaa# # # #effa",
"effa# # #e# #e# #``aaa# # # # effa",
"effa # # #e# #e# #`aa# # # # #effa",
"effa# # # # # # # #a# # # # # effa",
"effa # # # # # # # # # # # # #effa",
"effa# # # # # # # # # # # # # effa",
"effa # # # # # # # # # # # # #effa",
"effaeeeeeeeeeeeeeeeeeeeeeeeeeeeffa",
"effffffffffffffffffffffffffffffffa",
"effffffffffffffffffffffffffffffffa",
"eaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
};