Add cc65 artifacts to repo for now

cc65/asminc/ctypetable.inc

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+; ctypetable.inc
+;
+; This file is part of
+; cc65 - a freeware C compiler for 6502 based systems
+;
+; https://cc65.github.io
+;
+; See "LICENSE" file for legal information.
+;
+; Data covering all possible combinations of character flags for target specific definition
+;
+
+.include    "ctype.inc"
+.export     __ctype
+
+; Table definition covering all possible ctype combinations
+
+.rodata
+__ctype:
+ct_none:                .byte CT_NONE
+ct_lower:               .byte CT_LOWER
+ct_upper:               .byte CT_UPPER
+ct_digit_xdigit:        .byte CT_DIGIT | CT_XDIGIT
+ct_lower_xdigit:        .byte CT_LOWER | CT_XDIGIT
+ct_upper_xdigit:        .byte CT_UPPER | CT_XDIGIT
+ct_ctrl:                .byte CT_CTRL
+ct_ws:                  .byte CT_OTHER_WS
+ct_ctrl_ws:             .byte CT_CTRL | CT_OTHER_WS
+ct_space_spacetab:      .byte CT_SPACE | CT_SPACE_TAB
+ct_ctrl_ws_spacetab:    .byte CT_CTRL | CT_OTHER_WS | CT_SPACE_TAB
+
+; build indices out of the table above:
+
+CT_NONE_IDX             = ct_none - __ctype
+CT_LOWER_IDX            = ct_lower - __ctype
+CT_UPPER_IDX            = ct_upper - __ctype
+CT_DIGIT_XDIGIT_IDX     = ct_digit_xdigit - __ctype
+CT_LOWER_XDIGIT_IDX     = ct_lower_xdigit - __ctype
+CT_UPPER_XDIGIT_IDX     = ct_upper_xdigit - __ctype
+CT_CTRL_IDX             = ct_ctrl - __ctype
+CT_WS_IDX               = ct_ws - __ctype
+CT_CTRL_WS_IDX          = ct_ctrl_ws - __ctype
+CT_SPACE_SPACETAB_IDX   = ct_space_spacetab - __ctype
+CT_CTRL_WS_SPACETAB_IDX = ct_ctrl_ws_spacetab - __ctype
+
+.macro ct_mix lower, upper
+        .byte ((lower) & $0F) | ((upper) << 4)
+.endmacro