Code review adaptations, removed "cc65_" prefix from functions

2019-03-29 22:36:01 +01:00
parent 435f417c64
commit 3d8c3a4948
21 changed files with 107 additions and 148 deletions
--- a/libsrc/common/umul16x8r32.s
+++ b/libsrc/common/umul16x8r32.s
@@ -0,0 +1,27 @@
+;
+; Ullrich von Bassewitz, 2011-07-10
+;
+; CC65 library: 16x8 => 32 unsigned multiplication
+;
+
+        .export         _umul16x8r32
+        .import         umul8x16r24, popax
+
+        .include        "zeropage.inc"
+
+
+;---------------------------------------------------------------------------
+; 16x8 => 32 unsigned multiplication routine. We use 8x16 => 24 and clear
+; the high byte of the result
+
+.proc   _umul16x8r32
+
+        sta     ptr1
+        lda     #0
+        sta     sreg+1                  ; Clear high byte of result
+        jsr     popax
+        jmp     umul8x16r24
+
+.endproc
+
+