diff --git a/src/pi-pico/cpu-pi-pico.py b/src/pi-pico/cpu-pi-pico.py
index 13dc4cf..ac3b280 100644
--- a/src/pi-pico/cpu-pi-pico.py
+++ b/src/pi-pico/cpu-pi-pico.py
@@ -53,8 +53,6 @@ class CPU:
 
     def load_memory(self, bytes):
         self.memory = bytes + bytearray(256 - len(bytes))
-        print(type(self.memory))
-        print('mem 254', self.memory[254])
         # print(self.memory)
 
     def start(self):
@@ -63,18 +61,16 @@ class CPU:
     def step(self):
         if self.IP >= 255: # TODO CHECK
             self.IP = 0
-        print("IP:", self.IP)
+        print("IP:", toHex(self.IP))
         self.instruction['opcode'] = self.memory[self.IP]
         self.IP = self.IP+1
         self.instruction['operand'] = self.memory[self.IP]
         self.IP = self.IP+1
-        print(self.memory[self.IP -1], self.memory[self.IP-2])
-        print(self.instruction)
         self.nums2mnems[self.instruction['opcode']](self, self.instruction['operand'])
 
-        print("instr:", self.instruction['opcode'], self.instruction['operand'])
+        print("instr:", toHex(self.instruction['opcode']), toHex(self.instruction['operand']))
         print("mnem:", self.nums2mnems[self.instruction['opcode']])
-        print("acc:", self.acc)
+        print("acc:", self.acc, "N:", self.flags['N'])
         print("running:", self.running)
         print()
         # self.print_screen()
@@ -89,9 +85,15 @@ class CPU:
 
     def lda_lit(self, operand):
         self.acc = operand
-
+        self.flags['Z'] = True if self.acc == 0 else False
+        self.flags['Eq'] = True if self.acc == operand else False
+        self.flags['N'] = True if self.acc > 127 else False
+        
     def lda_mem(self, operand):
         self.acc = self.memory[operand]
+        self.flags['Z'] = True if self.acc == 0 else False
+        self.flags['Eq'] = True if self.acc == operand else False
+        self.flags['N'] = True if self.acc > 127 else False
 
     def sta_lit(self, operand):
         self.memory[operand] = self.acc
@@ -147,10 +149,12 @@ class CPU:
         self.IP = operand
 
     def jmp_mem(self, operand):
-        self.IP = memory[operand]
+        self.IP = self.memory[operand]
 
-    def ske(self, operand):
-        if self.flags['Eq']:
+    def ske(self, operand): # FIXME
+#        if self.flags['Eq']:
+#            self.IP += 2
+        if self.acc == operand:
             self.IP += 2
 
     def skz(self, operand):
@@ -330,14 +334,20 @@ class Monitor:
 cpu = CPU()
 monitor = Monitor(cpu)
 
-preamble = '00' * 64
-prog = preamble + '02 01   13 f0   12 f0   04 02   03 f0   12 f0   05 41   08 00   06 40   00 00' # STRIPES
+# preamble = '00 ' * 64
+# prog = preamble + '02 01   13 f0   12 f0   04 02   03 f0   12 f0   05 41   08 00   06 40   00 00' # STRIPES
+# offset = 64
+# prog = preamble + '02 01  13 f0  12 f0  04 02  03 f0  05 08  09 00  04 09  03 f0  07 41  06' + toHex(offset) + '00 00'
 #prog = '00'
-program_bytes = bytearray.fromhex(prog.replace(" ", ""))
+# program_bytes = bytearray.fromhex(prog.replace(" ", ""))
 
 # Add jmp at addr 254:
 #program_with_jump = program_bytes + bytearray(254 - len(program_bytes)) + bytearray.fromhex('0600') # jump to addr 00
-program_with_jump = program_bytes + bytearray(254 - len(program_bytes)) + bytearray.fromhex('0640') # jump to addr 0x40 (dec 64)
-cpu.load_memory(program_with_jump)
+# program_with_jump = program_bytes + bytearray(254 - len(program_bytes)) + bytearray.fromhex('0640') # jump to addr 0x40 (dec 64)
+
+with open('test-multiply2.bin', 'rb') as file:
+    program_bytes = bytearray(file.read())
+
+cpu.load_memory(program_bytes)
 
 monitor.run()
\ No newline at end of file