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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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5
libsrc/atari/cputc.s
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@@ -7,7 +7,7 @@
.export _cputcxy, _cputc
.export plot, cputdirect, putchar
.import popa, _gotoxy, mul40
.import gotoxy, mul40
.importzp tmp4,ptr4
.import _revflag,setcursor
@@ -15,8 +15,7 @@
_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
_cputc: