some changes in SMC routines for the cx16:

sys.poweroff_system() moved to cx16
sys.set_leds_brightness() moved to cx16 and changed to set_led_brightness, you can only change the activity led brightness.

compiler/res/prog8lib/cx16/syslib.p8

@@ -1214,6 +1214,20 @@ _continue   iny
         }}
     }
 
+    sub reset_system() {
+        ; Soft-reset the system back to initial power-on Basic prompt.
+        sys.reset_system()
+    }
+
+    sub poweroff_system() {
+        ; use the SMC to shutdown the computer
+        void cx16.i2c_write_byte($42, $01, $00)
+    }
+
+    sub set_led_brightness(ubyte brightness) {
+        void cx16.i2c_write_byte($42, $05, brightness)
+    }
+
 }
 
 sys {
@@ -1413,13 +1427,13 @@ asmsub  set_rasterline(uword line @AY) {
     asmsub reset_system() {
         ; Soft-reset the system back to initial power-on Basic prompt.
         ; We do this via the SMC so that a true reset is performed that also resets the Vera fully.
+        ; (note: this is an asmsub on purpose! don't change into a normal sub)
         %asm {{
             sei
             ldx #$42
             ldy #2
             lda #0
-            jsr  cx16.i2c_write_byte
-            bra  *
+            jmp  cx16.i2c_write_byte
         }}
     }
 

docs/source/libraries.rst

@@ -135,12 +135,6 @@ sys (part of syslib)
     Soft-reset the system back to initial power-on BASIC prompt.
     (called automatically by Prog8 when the main subroutine returns and the program is not using basicsafe zeropage option)
 
-``poweroff_system ()``  (commander x16 only)
-    Powers down the computer.
-
-``set_leds_brightness (ubyte activity, ubyte power)``  (commander x16 only)
-    Sets the brightness of the activity and power leds on the computer.
-
 ``disable_caseswitch()`` and ``enable_caseswitch()``
     Disable or enable the ability to switch character set case using a keyboard combination.
 
@@ -582,6 +576,15 @@ On the other targets, it only contains the definition of the 16 memory mapped vi
 ``cpu_is_65816()``
     Returns true if the CPU in the computer is a 65816, false otherwise (6502 cpu).
 
+``reset_system ()``
+    Soft-reset the system back to initial power-on BASIC prompt. (same as the routine in sys)
+
+``poweroff_system ()``
+    Powers down the computer.
+
+``set_led_brightness (ubyte brightness)``
+    Sets the brightness of the activity led on the computer.
+
 
 bmx  (cx16 only)
 ----------------

docs/source/todo.rst

@@ -1,6 +1,8 @@
 TODO
 ====
 
+add more verifications to diskspeed.p8
+
 ...
 
 

examples/cx16/diskspeed.p8

@@ -139,18 +139,18 @@ main {
         txt.print(diskio.status())
         txt.print("\ndone.\n")
 
-;        diskio.delete("benchmark0.dat")
-;        diskio.delete("benchmark1.dat")
-;        diskio.delete("benchmark2.dat")
-;        diskio.delete("benchmark3.dat")
-;        diskio.delete("benchmark4.dat")
-;        diskio.delete("benchmark5.dat")
-;        diskio.delete("benchmark6.dat")
-;        diskio.delete("benchmark7.dat")
-;        diskio.delete("benchmark8.dat")
-;        diskio.delete("benchmark9.dat")
-;        diskio.delete("benchmark64.dat")
-;        diskio.delete("benchmark256.dat")
+        diskio.delete("benchmark0.dat")
+        diskio.delete("benchmark1.dat")
+        diskio.delete("benchmark2.dat")
+        diskio.delete("benchmark3.dat")
+        diskio.delete("benchmark4.dat")
+        diskio.delete("benchmark5.dat")
+        diskio.delete("benchmark6.dat")
+        diskio.delete("benchmark7.dat")
+        diskio.delete("benchmark8.dat")
+        diskio.delete("benchmark9.dat")
+        diskio.delete("benchmark64.dat")
+        diskio.delete("benchmark256.dat")
     }
 
     sub verify_20k(str filename, uword crc32_low, uword crc32_high) {

examples/test.p8

@@ -4,32 +4,24 @@
 
 main {
     sub start() {
-        ; TODO func is not called 4 times!!!!! FIX!!!
-        if (not func(1))
-            or (not func(1))
-            or (not func(1))
-            or (not func(1)) {
-                txt.print("done1\n")
+        cx16.reset_system()
+        repeat {
+            for cx16.r0L in 0 to 255 {
+               cx16.set_led_brightness(cx16.r0L)
+               delay()
             }
-
-        ; TODO func is not called 4 times!!!!! FIX!!!
-        if func(2)
-            and func(2)
-            and func(2)
-            and func(2) {
-                txt.print("done2\n")
+            for cx16.r0L in 255 downto 0 {
+               cx16.set_led_brightness(cx16.r0L)
+               delay()
             }
-
-        ; TODO func is not called 4 times!!!!! FIX!!!
-        if func(3) and func(3) and func(3) and func(3) {
-            txt.print("done3\n")
         }
     }
 
-    sub func(ubyte x) -> bool {
-        txt.print("func ")
-        txt.print_ub(x)
-        txt.nl()
-        return true
+    sub delay() {
+        repeat 2000 {
+            %asm {{
+                nop
+            }}
+        }
     }
 }