Subversion Repositories NedoOS

# file opened: make_djnz_dot_assemble.asm
 1    0000              ;; while trying to compile one larger legacy code written with Zeus syntax on mind,
 2    0000              ;; I run into lines "DJNZ .", which are basically the same thing as "DJNZ $" in sjasmplus
 3    0000              ;; To avoid editing whole file and replacing those on each occurence, I managed to get
 4    0000              ;; them fixed by defining this macro at beginning of the file:
 5    0000
 6    0000                  ;; fix "DJNZ ." to "DJNZ $"
 7    0000                  MACRO DJNZ arg0?
 8    0000 ~                    DEFINE .._arg0?
 9    0000 ~                    IFDEF .._.
10    0000 ~                        djnz $
11    0000 ~                    ELSE
12    0000 ~                        djnz arg0?
13    0000 ~                    ENDIF
14    0000 ~                    IFDEF .._           ;; extra test for "$" argument, that one produces ".._" define
15    0000 ~                        UNDEFINE .._
16    0000 ~                    ELSE
17    0000 ~                        UNDEFINE .._arg0?
18    0000 ~                    ENDIF
19    0000                  ENDM
20    0000
21    0000              ;; let's see it in action
22    0000
23    0000              OrdinaryLabelDjnz   DJNZ    OrdinaryLabelDjnz
23    0000             >        DEFINE .._arg0?
23    0000             >        IFDEF .._.
23    0000 ~           >            djnz $
23    0000             >        ELSE
23    0000 10 FE       >            djnz OrdinaryLabelDjnz
23    0002             >        ENDIF
23    0002             >        IFDEF .._           ;; extra test for "$" argument, that one produces ".._" define
23    0002 ~           >            UNDEFINE .._
23    0002             >        ELSE
23    0002             >            UNDEFINE .._OrdinaryLabelDjnz
23    0002             >        ENDIF
24    0002
25    0002                      DJNZ    $           ;; sjasmplus syntax
25    0002             >        DEFINE .._arg0?
25    0002             >        IFDEF .._.
25    0002 ~           >            djnz $
25    0002             >        ELSE
25    0002 10 FE       >            djnz $
25    0004             >        ENDIF
25    0004             >        IFDEF .._           ;; extra test for "$" argument, that one produces ".._" define
25    0004             >            UNDEFINE .._
25    0004             >        ELSE
25    0004 ~           >            UNDEFINE .._arg0?
25    0004             >        ENDIF
26    0004
27    0004                      DJNZ    .           ;; Zeus syntax, will be corrected by the macro "DJNZ"
27    0004             >        DEFINE .._arg0?
27    0004             >        IFDEF .._.
27    0004 10 FE       >            djnz $
27    0006             >        ELSE
27    0006 ~           >            djnz arg0?
27    0006             >        ENDIF
27    0006             >        IFDEF .._           ;; extra test for "$" argument, that one produces ".._" define
27    0006 ~           >            UNDEFINE .._
27    0006             >        ELSE
27    0006             >            UNDEFINE .._.
27    0006             >        ENDIF
28    0006
29    0006 10 FE                djnz    $           ;; avoid macro by using lowercase :D
30    0008
# file closed: make_djnz_dot_assemble.asm

Value    Label
------ - -----------------------------------------------------------
0x0000   OrdinaryLabelDjnz