Rewrite fgets in asm

-104 bytes, -1% cycles
2024-01-11 19:31:04 +01:00
parent 57e65a6bf6
commit 1f820d0ae8
4 changed files with 135 additions and 72 deletions
--- a/libsrc/runtime/pushptr1.s
+++ b/libsrc/runtime/pushptr1.s
@@ -0,0 +1,14 @@
+;
+; Colin Leroy-Mira, 2024
+;
+; CC65 runtime: Push ptr1 to stack.
+; A/X destroyed (set to ptr1)
+
+        .export         pushptr1
+        .import         pushax
+        .importzp       ptr1
+
+pushptr1:
+        lda     ptr1
+        ldx     ptr1+1
+        jmp     pushax