Added "popptr1" which is of common use to save some bytes.

2018-05-20 15:30:18 +02:00
parent 3a6430b13d
commit c95ed4b8b5
35 changed files with 113 additions and 151 deletions
--- a/libsrc/common/getcwd.s
+++ b/libsrc/common/getcwd.s
@@ -6,7 +6,7 @@

        .export         _getcwd

-        .import         popax
+        .import         popptr1
        .import         __cwd
        .importzp       ptr1, ptr2

@@ -25,13 +25,11 @@
        eor     #$FF
        sta     ptr2+1

-        jsr     popax           ; Get buf
-        sta     ptr1
-        stx     ptr1+1          ; Save buf
+        jsr     popptr1         ; Get buf to ptr1

 ; Copy __cwd to the given buffer checking the length

-        ldy     #$00
+        ; ldy     #$00          is guaranteed by popptr10
 loop:   inc     ptr2
        bne     @L1
        inc     ptr2+1