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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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libsrc/nes/cclear.s
+2 -3
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@@ -6,13 +6,12 @@
;
.export _cclearxy, _cclear
.import popa, _gotoxy, cputdirect
.import gotoxy, cputdirect
.importzp tmp1
_cclearxy:
pha ; Save the length
jsr popa ; Get y
jsr _gotoxy ; Call this one, will pop params
jsr gotoxy ; Call this one, will pop params
pla ; Restore the length and run into _cclear
_cclear: