Added c16/plus4 fast(), isfast() and slow() functions, and updated the documentation accordingly.

2018-03-23 14:27:15 -07:00
parent d869368679
commit 03ba3f7473
9 changed files with 148 additions and 27 deletions
--- a/libsrc/plus4/fast.s
+++ b/libsrc/plus4/fast.s
@@ -0,0 +1,22 @@
+;
+; Marco van den Heuvel, 2018-03-20
+;
+; void fast (void);
+; /* Switch the CPU into double clock mode. */
+;
+
+        .export         _fast
+
+        .include        "plus4.inc"
+
+
+.proc   _fast
+
+        lda     TED_CLK
+        and     #%11111101
+        sta     TED_CLK
+        rts
+
+.endproc
+
+