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Introduced internal gotoxy that pops both parameters.

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About all CONIO functions offering a <...>xy variant call
  popa
  _gotoxy

By providing an internal gotoxy variant that starts with a popa all those CONIO function can be shortened by 3 bytes. As soon as program calls more than one CONIO function this means an overall code size reduction.
This commit is contained in:
Oliver Schmidt
2016-06-05 14:58:38 +02:00
parent d670998814
commit 13482984ca
50 changed files with 120 additions and 152 deletions
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6
libsrc/geos-common/conio/cputc.s
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@@ -23,8 +23,7 @@
; UPLINE = ?, KEY_UPARROW = GOTOY, ...
.export _cputcxy, _cputc
.import _gotoxy, fixcursor
.import popa
.import gotoxy, fixcursor
.import xsize,ysize
.importzp cursor_x, cursor_y, cursor_c, cursor_r
@@ -34,8 +33,7 @@
_cputcxy:
pha ; Save C
jsr popa ; Get Y
jsr _gotoxy ; Set cursor, drop x
jsr gotoxy ; Set cursor, drop x and y
pla ; Restore C
; Plot a character - also used as internal function