diff --git a/monitor.py b/monitor.py deleted file mode 100644 index 418286d..0000000 --- a/monitor.py +++ /dev/null @@ -1,71 +0,0 @@ -import RPi.GPIO as GPIO -from RPi.GPIO import IN - -# Monitor the 6502 processor -gpio_l = [2, 3, 4, 17, 27, 22, 10, 9, 11, 5, 6, 13, 19, 26] -gpio_r = [14, 15, 18, 23, 24, 25, 8, 7, 12, 16, 20, 21] -# -# Defining which 6502 pin goes to which GPIO pin -# - -A = gpio_l[0:12] -A.reverse() # first 11 address pins, left side of 6502 -A += [23, 18, 15, 14] # last 4 address pins - -D = gpio_r[-8:] # 8 io pins -D.reverse() - -PHI2 = 26 -RWB = 19 - -GPIO.setmode(GPIO.BCM) - -# OUT when writing and IN when reading -for pin in [PHI2, RWB]: - GPIO.setup(pin, IN) - -for pin in A: - GPIO.setup(pin, IN) - -for pin in D: - GPIO.setup(pin, IN) - -def print_pins(): - for i in range(len(A)): - print(f"A{i} - {A[i]}") - for i in range(len(D)): - print(f"D{i} - {D[i]}") - print(f"PHI2 - {PHI2}") - print(f"RWB - {RWB}") - -def start_monitor(): - run = True - while run: - # wait for a rising clock edge before outputting - channel = GPIO.wait_for_edge(PHI2, GPIO.FALLING, timeout=1000) # at least every 1 seconds - if channel is None: - continue - address = "" - data = "" - for i in range(len(A)): - address += str(GPIO.input(A[len(A)-1-i])) - for i in range(len(D)): - data += str(GPIO.input(D[len(D)-1-i])) - if GPIO.input(RWB): - rwb = "r" - else: - rwb = "w" - line = f"0b{address} - 0b{data}|||0x{format(int(address, 2), '04x')} - 0x{format(int(data, 2), '02x')}|||{rwb} " - print(line) - - -print_pins() -try: - start_monitor() -except KeyboardInterrupt: - GPIO.cleanup() - - - - - diff --git a/opcodes.py b/opcodes.py deleted file mode 100644 index 799c941..0000000 --- a/opcodes.py +++ /dev/null @@ -1,23 +0,0 @@ -opcodes_d = { - - # branches - 0xf0: "beq r", - 0xd0: "bne r", - # jump - 0x4c: "jmp a", - 0x20: "jsr s", - 0x60: "rts s", - # load - 0xad: "lda a", - 0xa9: "lda #", - 0xa2: "ldx #", - # store - 0x8d: "sta a", - # compare - 0xc9: "cmp #", - # increments - 0xee: "inc a", - 0x1a: "inc A", - 0xe8: "inx i", - -}