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4 commits
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Author SHA1 Message Date
nik gaffney
9c5ed9ff0f software via TOSEC 2023-10-28 14:14:23 +02:00
nik gaffney
cf598bda78 software via TOSEC 2023-10-28 14:12:40 +02:00
nik gaffney
a9e606812a software via TOSEC 2023-10-28 14:12:16 +02:00
nik gaffney
6ace9e95b3 python 2to3 updates 2023-10-28 13:22:41 +02:00
61 changed files with 590 additions and 213 deletions
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4
README.MD
View file

@ -62,7 +62,5 @@ Then press F8 to load and start program.
Known bugs
----------
- Pygame and Pulseaudio crash occasionally. - it seems that this
fork is less prone to lock-ups and **pygame*** crashes.
Please report any issues you have.
- Pygame and Pulseaudio crash occasionally. Please report any issues you have.
- no error checking for input `.prg` file

79
orao.py
View file

@ -1,5 +1,5 @@
#!/usr/bin/python2
# -*- coding: utf8 -*-
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pygame, numpy, sys, datetime
from orao.cpu import CPU
@ -27,7 +27,7 @@ pygame.init()
pygame.time.set_timer(pygame.USEREVENT + 1, 40)
# create CPU
cpu = CPU(bytearray([0xFF]*0xC000) + bytearray(open('ORAO13.ROM', 'rb').read()))
cpu = CPU(bytearray([0xFF] * 0xC000) + bytearray(open("ORAO13.ROM", "rb").read()))
cpu.channel = pygame.mixer.Channel(0)
cpu.store_mem_listeners.append(video_mem_listener)
cpu.store_mem_listeners.append(timer_mem_listener)
@ -38,39 +38,46 @@ chargen_init(cpu.memory[0xE000:])
view_cpu_state = CPUState()
# ram zero page & stack
view_zp = MicroMemView(start_addr=0x0000, size=0x0200, caption='ZP & stack', disp_width=64)
view_zp = MicroMemView(
start_addr=0x0000, size=0x0200, caption="ZP & stack", disp_width=64
)
view_zp.listen(cpu)
# user ram view
view_ram = MicroMemView(start_addr=0x0200, size=0x5E00, caption='RAM', disp_width=128)
view_ram = MicroMemView(start_addr=0x0200, size=0x5E00, caption="RAM", disp_width=128)
view_ram.listen(cpu)
# rom access view
view_rom = MicroMemView(start_addr=0xC000, size=0x4000, caption='ROM', disp_width=256)
view_rom = MicroMemView(start_addr=0xC000, size=0x4000, caption="ROM", disp_width=256)
view_rom.listen(cpu)
view_screen = MicroMemView(start_addr=0x6000, size=0x2000, disp_width=32)
view_screen.listen(cpu)
# status lines
status_line = pygame.Surface((64 * 8, 4*8), depth=24)
status_line = pygame.Surface((64 * 8, 4 * 8), depth=24)
status_line.fill((0, 0, 0))
chargen_draw_str(status_line, 0, 0, 'Orao Emulator v0.1')
chargen_draw_str(status_line, 0, 0, "Orao Emulator v0.1")
# setup screen
screen = pygame.display.set_mode((
terminal.get_width() * 2 + 2 + int(max(view_rom.width, view_cpu_state.width * 2)),
terminal.get_height() * 2 + 3*8 + 2 + 30
))
pygame.display.set_caption('Orao Emulator v0.1')
screen = pygame.display.set_mode(
(
terminal.get_width() * 2
+ 2
+ int(max(view_rom.width, view_cpu_state.width * 2)),
terminal.get_height() * 2 + 3 * 8 + 2 + 30,
)
)
pygame.display.set_caption("Orao Emulator v0.1")
lc = (0xff, 0xcc, 0x00)
chargen_draw_str(status_line, 0, 16, 'F12:', color=lc)
chargen_draw_str(status_line, 24+8, 16, ' SCREENSHOT')
lc = (0xFF, 0xCC, 0x00)
chargen_draw_str(status_line, 0, 16, "F12:", color=lc)
chargen_draw_str(status_line, 24 + 8, 16, " SCREENSHOT")
if MEM_LOAD_PRG is not None:
chargen_draw_str(status_line, 0, 24, 'F8:', color=lc)
chargen_draw_str(status_line, 24, 24, ' %s' % MEM_LOAD_PRG)
chargen_draw_str(status_line, 0, 24, "F8:", color=lc)
chargen_draw_str(status_line, 24, 24, " %s" % MEM_LOAD_PRG)
def render_frame(frame_time_ms):
view_cpu_state.render(cpu, frame_time_ms)
@ -82,8 +89,8 @@ def render_frame(frame_time_ms):
# blit
screen.fill((0, 0, 0))
screen.blit(pygame.transform.scale(terminal, (512, 512)), [0, 0])
chargen_draw_str(status_line, 0, 8, 'Speed: {0:.2f} MHz'.format(ratio))
screen.blit(status_line, [0, 512+1])
chargen_draw_str(status_line, 0, 8, "Speed: {0:.2f} MHz".format(ratio))
screen.blit(status_line, [0, 512 + 1])
x = 512 + 1
y = 0
cx, y = view_cpu_state.blit(screen, [x, y], scale=2)
@ -95,12 +102,13 @@ def render_frame(frame_time_ms):
y2 += 5
_, _ = view_rom.blit(screen, [x, y2], scale=1)
screen.blit(pygame.transform.scale(view_screen.read_map.surf, (512,512)), [0,0])
screen.blit(pygame.transform.scale(view_screen.write_map.surf, (512,512)), [0,0])
screen.blit(pygame.transform.scale(view_screen.read_map.surf, (512, 512)), [0, 0])
screen.blit(pygame.transform.scale(view_screen.write_map.surf, (512, 512)), [0, 0])
# finish rendering
pygame.display.flip()
clock = pygame.time.Clock()
while running:
@ -109,7 +117,7 @@ while running:
for i in range(5000):
cpu.step()
time_elapsed = (datetime.datetime.now()-before).microseconds + 1
time_elapsed = (datetime.datetime.now() - before).microseconds + 1
clock.tick()
for event in pygame.event.get():
@ -131,13 +139,13 @@ while running:
if pkeys[pygame.K_F8]:
if MEM_LOAD_PRG is None:
break
print("LOADING: %s" % MEM_LOAD_PRG)
print(("LOADING: %s" % MEM_LOAD_PRG))
ba = bytearray(open(MEM_LOAD_PRG, "rb").read())
# read load address
addr = ba[1] * 256 + ba[0]
ba = ba[2:]
print('Loadaddr: %04x' % addr)
print(("Loadaddr: %04x" % addr))
# load file to memory
for i in range(0, len(ba)):
@ -150,22 +158,33 @@ while running:
if pkeys[pygame.K_F12]:
now = datetime.datetime.now() # current date and time
pygame.image.save(screen, "assets/screenshot-%s.png" % now.strftime("%Y%m%d-%H%M%S"))
pygame.image.save(
screen, "assets/screenshot-%s.png" % now.strftime("%Y%m%d-%H%M%S")
)
if event.type == pygame.USEREVENT + 1:
render_frame(clock.get_time())
cpu.tape_out = None if cpu.cycles - cpu.last_sound_cycles > 20000 else cpu.tape_out
cpu.tape_out = (
None if cpu.cycles - cpu.last_sound_cycles > 20000 else cpu.tape_out
)
if len(cpu.sndbuf) > 4096 or cpu.sndbuf and cpu.cycles - cpu.last_sound_cycles > 20000:
if (
len(cpu.sndbuf) > 4096
or cpu.sndbuf
and cpu.cycles - cpu.last_sound_cycles > 20000
):
while cpu.channel.get_queue():
if time_elapsed > 10000: break
if time_elapsed > 10000:
break
cpu.channel.queue(pygame.sndarray.make_sound(numpy.uint8(cpu.sndbuf)))
cpu.sndbuf = []
overshoot = cpu.cycles - previous_loop_cycles - time_elapsed
pygame.time.wait((overshoot > 0) * overshoot // 1000) # Pričekaj da budemo cycle exact
pygame.time.wait(
(overshoot > 0) * overshoot // 1000
) # Pričekaj da budemo cycle exact
ratio = 1.0 * (cpu.cycles - previous_loop_cycles) / time_elapsed

2
orao/chargen.py
View file

@ -1,3 +1,4 @@
# -*- coding: utf-8 -*-
chars = None
@ -5,7 +6,6 @@ def chargen_init(char_data):
global chars
chars = char_data
def chargen_draw_char(surf, px, py, ch, color=(0, 255, 0), bg=(0, 0, 0)):
char_loc = (ord(ch) - 32) * 8
for y in range(8):

507
orao/cpu.py
View file

@ -1,61 +1,196 @@
# -*- coding: utf8 -*-
# -*- coding: utf-8 -*-
import wave
class CPU(object):
CARRY, ZERO, INTERRUPT, DECIMAL, BREAK, UNUSED, OVERFLOW, NEGATIVE = [2**i for i in range(8)]
CARRY, ZERO, INTERRUPT, DECIMAL, BREAK, UNUSED, OVERFLOW, NEGATIVE = [
2**i for i in range(8)
]
alphaarray = None
store_mem_listeners = []
read_mem_listeners = []
def __init__(self, memory):
s, self.tape_out, self.filename, self.samples = self, None, None, 0
s.memory, s.tape, s.flipflop, s.last_sound_cycles, s.sndbuf = memory, None, 0, -20000, []
s.memory, s.tape, s.flipflop, s.last_sound_cycles, s.sndbuf = (
memory,
None,
0,
-20000,
[],
)
s.cycles, s.pc, s.flags, s.sp, s.a, s.x, s.y = 0, 0xFF89, 48, 0xFF, 0, 0, 0
s.executed = []
s._opcodes = { 0x00:(s.BRK,s.no,7), 0x01:(s.ORA,s.ix,6), 0x05:(s.ORA,s.zp,3),
0x06:(s.ASL,s.zp,5), 0x08:(s.PHP,s.no,3), 0x09:(s.ORA,s.im,2), 0x0a:(s.ASL,s.no,2),
0x0d:(s.ORA,s.ab,4), 0x0e:(s.ASL,s.ab,6), 0x10:(s.BPL,s.re,2), 0x11:(s.ORA,s.iy,6),
0x15:(s.ORA,s.zx,4), 0x16:(s.ASL,s.zx,6), 0x18:(s.CLC,s.no,2), 0x19:(s.ORA,s.ay,5),
0x1d:(s.ORA,s.ax,5), 0x1e:(s.ASL,s.ax,7), 0x20:(s.JSR,s.jm,6), 0x21:(s.AND,s.ix,6),
0x24:(s.BIT,s.zp,3), 0x25:(s.AND,s.zp,3), 0x26:(s.ROL,s.zp,5), 0x28:(s.PLP,s.no,4),
0x29:(s.AND,s.im,2), 0x2a:(s.ROL,s.no,2), 0x2c:(s.BIT,s.ab,4), 0x2d:(s.AND,s.ab,4),
0x2e:(s.ROL,s.ab,6), 0x30:(s.BMI,s.re,2), 0x31:(s.AND,s.iy,6), 0x35:(s.AND,s.zx,4),
0x36:(s.ROL,s.zx,6), 0x38:(s.SEC,s.no,2), 0x39:(s.AND,s.ay,5), 0x3d:(s.AND,s.ax,5),
0x3e:(s.ROL,s.ax,7), 0x40:(s.RTI,s.no,6), 0x41:(s.EOR,s.ix,6), 0x45:(s.EOR,s.zp,3),
0x46:(s.LSR,s.zp,5), 0x48:(s.PHA,s.no,3), 0x49:(s.EOR,s.im,2), 0x4a:(s.LSR,s.no,2),
0x4c:(s.JMP,s.jm,3), 0x4d:(s.EOR,s.ab,4), 0x4e:(s.LSR,s.ab,6), 0x50:(s.BVC,s.re,2),
0x51:(s.EOR,s.iy,6), 0x55:(s.EOR,s.zx,4), 0x56:(s.LSR,s.zx,6), 0x58:(s.CLI,s.no,2),
0x59:(s.EOR,s.ay,5), 0x5d:(s.EOR,s.ax,5), 0x5e:(s.LSR,s.ax,7), 0x60:(s.RTS,s.no,6),
0x61:(s.ADC,s.ix,6), 0x65:(s.ADC,s.zp,3), 0x66:(s.ROR,s.zp,5), 0x68:(s.PLA,s.no,4),
0x69:(s.ADC,s.im,2), 0x6a:(s.ROR,s.no,2), 0x6c:(s.JMP,s.id,5), 0x6d:(s.ADC,s.ab,4),
0x6e:(s.ROR,s.ab,6), 0x70:(s.BVS,s.re,2), 0x71:(s.ADC,s.iy,6), 0x75:(s.ADC,s.zx,4),
0x76:(s.ROR,s.zx,6), 0x78:(s.SEI,s.no,2), 0x79:(s.ADC,s.ay,5), 0x7d:(s.ADC,s.ax,5),
0x7e:(s.ROR,s.ax,7), 0x81:(s.STA,s.ix,6), 0x84:(s.STY,s.zp,3), 0x85:(s.STA,s.zp,3),
0x86:(s.STX,s.zp,3), 0x88:(s.DEY,s.no,2), 0x8a:(s.TXA,s.no,2), 0x8c:(s.STY,s.ab,4),
0x8d:(s.STA,s.ab,4), 0x8e:(s.STX,s.ab,4), 0x90:(s.BCC,s.re,2), 0x91:(s.STA,s.iy,6),
0x94:(s.STY,s.zx,4), 0x95:(s.STA,s.zx,4), 0x96:(s.STX,s.zy,4), 0x98:(s.TYA,s.no,2),
0x99:(s.STA,s.ay,5), 0x9a:(s.TXS,s.no,2), 0x9d:(s.STA,s.ax,5), 0xa0:(s.LDY,s.im,2),
0xa1:(s.LDA,s.ix,6), 0xa2:(s.LDX,s.im,2), 0xa4:(s.LDY,s.zp,3), 0xa5:(s.LDA,s.zp,3),
0xa6:(s.LDX,s.zp,3), 0xa8:(s.TAY,s.no,2), 0xa9:(s.LDA,s.im,2), 0xaa:(s.TAX,s.no,2),
0xac:(s.LDY,s.ab,4), 0xad:(s.LDA,s.ab,4), 0xae:(s.LDX,s.ab,4), 0xb0:(s.BCS,s.re,2),
0xb1:(s.LDA,s.iy,6), 0xb4:(s.LDY,s.zx,4), 0xb5:(s.LDA,s.zx,4), 0xb6:(s.LDX,s.zy,4),
0xb8:(s.CLV,s.no,2), 0xb9:(s.LDA,s.ay,4), 0xba:(s.TSX,s.no,2), 0xbc:(s.LDY,s.ax,4),
0xbd:(s.LDA,s.ax,4), 0xbe:(s.LDX,s.ay,4), 0xc0:(s.CPY,s.im,2), 0xc1:(s.CMP,s.ix,6),
0xc4:(s.CPY,s.zp,3), 0xc5:(s.CMP,s.zp,3), 0xc6:(s.DEC,s.zp,5), 0xc8:(s.INY,s.no,2),
0xc9:(s.CMP,s.im,2), 0xca:(s.DEX,s.no,2), 0xcc:(s.CPY,s.ab,4), 0xcd:(s.CMP,s.ab,4),
0xce:(s.DEC,s.ab,6), 0xd0:(s.BNE,s.re,2), 0xd1:(s.CMP,s.iy,6), 0xd5:(s.CMP,s.zx,4),
0xd6:(s.DEC,s.zx,6), 0xd8:(s.CLD,s.no,2), 0xd9:(s.CMP,s.ay,5), 0xdd:(s.CMP,s.ax,5),
0xde:(s.DEC,s.ax,7), 0xe0:(s.CPX,s.im,2), 0xe1:(s.SBC,s.ix,6), 0xe4:(s.CPX,s.zp,3),
0xe5:(s.SBC,s.zp,3), 0xe6:(s.INC,s.zp,5), 0xe8:(s.INX,s.no,2), 0xe9:(s.SBC,s.im,2),
0xea:(s.NOP,s.no,2), 0xec:(s.CPX,s.ab,4), 0xed:(s.SBC,s.ab,4), 0xee:(s.INC,s.ab,6),
0xf0:(s.BEQ,s.re,2), 0xf1:(s.SBC,s.iy,6), 0xf5:(s.SBC,s.zx,4), 0xf6:(s.INC,s.zx,6),
0xf8:(s.SED,s.no,2), 0xf9:(s.SBC,s.ay,5), 0xfd:(s.SBC,s.ax,5), 0xfe:(s.INC,s.ax,7)}
s._opcodes = {
0x00: (s.BRK, s.no, 7),
0x01: (s.ORA, s.ix, 6),
0x05: (s.ORA, s.zp, 3),
0x06: (s.ASL, s.zp, 5),
0x08: (s.PHP, s.no, 3),
0x09: (s.ORA, s.im, 2),
0x0A: (s.ASL, s.no, 2),
0x0D: (s.ORA, s.ab, 4),
0x0E: (s.ASL, s.ab, 6),
0x10: (s.BPL, s.re, 2),
0x11: (s.ORA, s.iy, 6),
0x15: (s.ORA, s.zx, 4),
0x16: (s.ASL, s.zx, 6),
0x18: (s.CLC, s.no, 2),
0x19: (s.ORA, s.ay, 5),
0x1D: (s.ORA, s.ax, 5),
0x1E: (s.ASL, s.ax, 7),
0x20: (s.JSR, s.jm, 6),
0x21: (s.AND, s.ix, 6),
0x24: (s.BIT, s.zp, 3),
0x25: (s.AND, s.zp, 3),
0x26: (s.ROL, s.zp, 5),
0x28: (s.PLP, s.no, 4),
0x29: (s.AND, s.im, 2),
0x2A: (s.ROL, s.no, 2),
0x2C: (s.BIT, s.ab, 4),
0x2D: (s.AND, s.ab, 4),
0x2E: (s.ROL, s.ab, 6),
0x30: (s.BMI, s.re, 2),
0x31: (s.AND, s.iy, 6),
0x35: (s.AND, s.zx, 4),
0x36: (s.ROL, s.zx, 6),
0x38: (s.SEC, s.no, 2),
0x39: (s.AND, s.ay, 5),
0x3D: (s.AND, s.ax, 5),
0x3E: (s.ROL, s.ax, 7),
0x40: (s.RTI, s.no, 6),
0x41: (s.EOR, s.ix, 6),
0x45: (s.EOR, s.zp, 3),
0x46: (s.LSR, s.zp, 5),
0x48: (s.PHA, s.no, 3),
0x49: (s.EOR, s.im, 2),
0x4A: (s.LSR, s.no, 2),
0x4C: (s.JMP, s.jm, 3),
0x4D: (s.EOR, s.ab, 4),
0x4E: (s.LSR, s.ab, 6),
0x50: (s.BVC, s.re, 2),
0x51: (s.EOR, s.iy, 6),
0x55: (s.EOR, s.zx, 4),
0x56: (s.LSR, s.zx, 6),
0x58: (s.CLI, s.no, 2),
0x59: (s.EOR, s.ay, 5),
0x5D: (s.EOR, s.ax, 5),
0x5E: (s.LSR, s.ax, 7),
0x60: (s.RTS, s.no, 6),
0x61: (s.ADC, s.ix, 6),
0x65: (s.ADC, s.zp, 3),
0x66: (s.ROR, s.zp, 5),
0x68: (s.PLA, s.no, 4),
0x69: (s.ADC, s.im, 2),
0x6A: (s.ROR, s.no, 2),
0x6C: (s.JMP, s.id, 5),
0x6D: (s.ADC, s.ab, 4),
0x6E: (s.ROR, s.ab, 6),
0x70: (s.BVS, s.re, 2),
0x71: (s.ADC, s.iy, 6),
0x75: (s.ADC, s.zx, 4),
0x76: (s.ROR, s.zx, 6),
0x78: (s.SEI, s.no, 2),
0x79: (s.ADC, s.ay, 5),
0x7D: (s.ADC, s.ax, 5),
0x7E: (s.ROR, s.ax, 7),
0x81: (s.STA, s.ix, 6),
0x84: (s.STY, s.zp, 3),
0x85: (s.STA, s.zp, 3),
0x86: (s.STX, s.zp, 3),
0x88: (s.DEY, s.no, 2),
0x8A: (s.TXA, s.no, 2),
0x8C: (s.STY, s.ab, 4),
0x8D: (s.STA, s.ab, 4),
0x8E: (s.STX, s.ab, 4),
0x90: (s.BCC, s.re, 2),
0x91: (s.STA, s.iy, 6),
0x94: (s.STY, s.zx, 4),
0x95: (s.STA, s.zx, 4),
0x96: (s.STX, s.zy, 4),
0x98: (s.TYA, s.no, 2),
0x99: (s.STA, s.ay, 5),
0x9A: (s.TXS, s.no, 2),
0x9D: (s.STA, s.ax, 5),
0xA0: (s.LDY, s.im, 2),
0xA1: (s.LDA, s.ix, 6),
0xA2: (s.LDX, s.im, 2),
0xA4: (s.LDY, s.zp, 3),
0xA5: (s.LDA, s.zp, 3),
0xA6: (s.LDX, s.zp, 3),
0xA8: (s.TAY, s.no, 2),
0xA9: (s.LDA, s.im, 2),
0xAA: (s.TAX, s.no, 2),
0xAC: (s.LDY, s.ab, 4),
0xAD: (s.LDA, s.ab, 4),
0xAE: (s.LDX, s.ab, 4),
0xB0: (s.BCS, s.re, 2),
0xB1: (s.LDA, s.iy, 6),
0xB4: (s.LDY, s.zx, 4),
0xB5: (s.LDA, s.zx, 4),
0xB6: (s.LDX, s.zy, 4),
0xB8: (s.CLV, s.no, 2),
0xB9: (s.LDA, s.ay, 4),
0xBA: (s.TSX, s.no, 2),
0xBC: (s.LDY, s.ax, 4),
0xBD: (s.LDA, s.ax, 4),
0xBE: (s.LDX, s.ay, 4),
0xC0: (s.CPY, s.im, 2),
0xC1: (s.CMP, s.ix, 6),
0xC4: (s.CPY, s.zp, 3),
0xC5: (s.CMP, s.zp, 3),
0xC6: (s.DEC, s.zp, 5),
0xC8: (s.INY, s.no, 2),
0xC9: (s.CMP, s.im, 2),
0xCA: (s.DEX, s.no, 2),
0xCC: (s.CPY, s.ab, 4),
0xCD: (s.CMP, s.ab, 4),
0xCE: (s.DEC, s.ab, 6),
0xD0: (s.BNE, s.re, 2),
0xD1: (s.CMP, s.iy, 6),
0xD5: (s.CMP, s.zx, 4),
0xD6: (s.DEC, s.zx, 6),
0xD8: (s.CLD, s.no, 2),
0xD9: (s.CMP, s.ay, 5),
0xDD: (s.CMP, s.ax, 5),
0xDE: (s.DEC, s.ax, 7),
0xE0: (s.CPX, s.im, 2),
0xE1: (s.SBC, s.ix, 6),
0xE4: (s.CPX, s.zp, 3),
0xE5: (s.SBC, s.zp, 3),
0xE6: (s.INC, s.zp, 5),
0xE8: (s.INX, s.no, 2),
0xE9: (s.SBC, s.im, 2),
0xEA: (s.NOP, s.no, 2),
0xEC: (s.CPX, s.ab, 4),
0xED: (s.SBC, s.ab, 4),
0xEE: (s.INC, s.ab, 6),
0xF0: (s.BEQ, s.re, 2),
0xF1: (s.SBC, s.iy, 6),
0xF5: (s.SBC, s.zx, 4),
0xF6: (s.INC, s.zx, 6),
0xF8: (s.SED, s.no, 2),
0xF9: (s.SBC, s.ay, 5),
0xFD: (s.SBC, s.ax, 5),
0xFE: (s.INC, s.ax, 7),
}
s.ticks = {s.im: 1, s.zp: 1, s.zx: 1, s.zy: 1, s.ab: 2, s.ax: 2, s.no: 0,
s.ay: 2, s.jm: 2, s.id: 2, s.ix: 1, s.iy: 1, s.re: 1}
s.ticks = {
s.im: 1,
s.zp: 1,
s.zx: 1,
s.zy: 1,
s.ab: 2,
s.ax: 2,
s.no: 0,
s.ay: 2,
s.jm: 2,
s.id: 2,
s.ix: 1,
s.iy: 1,
s.re: 1,
}
s.addr_fmt = {
s.im: lambda addr: "#$%02X" % s.memory[addr],
@ -73,7 +208,8 @@ class CPU(object):
s.re: lambda addr: "$%04X" % (addr + self.byte2signed(s.memory[addr]) + 1),
}
def get_flag(self, flag): return self.flags & flag != 0
def get_flag(self, flag):
return self.flags & flag != 0
def set_flag(self, flag, boolean):
self.flags = self.flags | flag if boolean else self.flags & ~(flag)
@ -83,9 +219,11 @@ class CPU(object):
self.set_flag(self.NEGATIVE, src & 0x80)
return src
def get_word(self, addr): return 256 * self.get_byte(addr + 1) + self.get_byte(addr)
def get_word(self, addr):
return 256 * self.get_byte(addr + 1) + self.get_byte(addr)
def get_filename(self): return 'wav/{0}.WAV'.format(str(self.memory[592:602]).rstrip())
def get_filename(self):
return 'wav/{0}.WAV'.format(str(self.memory[592:602], 'ASCII').rstrip())
def speaker(self):
self.flipflop ^= 1
@ -95,20 +233,24 @@ class CPU(object):
self.sndbuf += [255] * self.samples + [0] * self.samples
self.last_sound_cycles = self.cycles
def tape_load_gen(self):
for i in wave.open(self.get_filename()).readframes(2 ** 24):
for j in 2 * [i]:
yield 255 * (j > 128)
def get_byte(self, addr):
if addr == 0x87FF: # Adresa ulaza kasetofona
if not self.tape:
self.tape = (255*(ord(j)>128) for i in \
wave.open(self.get_filename()).readframes(2**24) for j in 2*i)
self.tape = self.tape_load_gen()
try:
return self.tape.next()
return next(self.tape)
except StopIteration:
self.tape = None
return 0x00
if addr == 0x8800: self.speaker() # Zvucnik
if addr == 0x8800:
self.speaker() # Zvucnik
if addr is not None:
for listener in self.read_mem_listeners:
@ -121,7 +263,8 @@ class CPU(object):
self.a = val & 0xFF
return
if addr == 0x8800: self.speaker() # Zvucnik
if addr == 0x8800:
self.speaker() # Zvucnik
self.memory[addr] = val & 0xFF
@ -136,23 +279,49 @@ class CPU(object):
self.sp = (self.sp + 1) & 0xFF
return self.get_byte(256 + self.sp)
def stack_push_word(self, val): map(self.stack_push, [(val >> 8) & 0xFF, val & 0xFF])
def stack_push_word(self, val):
list(map(self.stack_push, [(val >> 8) & 0xFF, val & 0xFF]))
def stack_pop_word(self):
return self.stack_pop() + (self.stack_pop() << 8)
def stack_pop_word(self): return self.stack_pop() + (self.stack_pop() << 8)
###########################################################################
# Adresni nacini
def im(self): return self.pc
def zp(self): return self.get_byte(self.pc)
def zx(self): return (self.zp() + self.x) & 0xFF
def zy(self): return (self.zp() + self.y) & 0xFF
def ab(self): return self.get_word(self.pc)
def ax(self): return self._ab(self.x)
def ay(self): return self._ab(self.y)
def ix(self): return self.get_word((self.zp() + self.x) & 0xFF)
def iy(self): return (self.get_word(self.zp()) + self.y) & 0xFFFF
def id(self): return self.get_word(self.ab())
def jm(self): return self.ab()
def no(self): return None
def im(self):
return self.pc
def zp(self):
return self.get_byte(self.pc)
def zx(self):
return (self.zp() + self.x) & 0xFF
def zy(self):
return (self.zp() + self.y) & 0xFF
def ab(self):
return self.get_word(self.pc)
def ax(self):
return self._ab(self.x)
def ay(self):
return self._ab(self.y)
def ix(self):
return self.get_word((self.zp() + self.x) & 0xFF)
def iy(self):
return (self.get_word(self.zp()) + self.y) & 0xFFFF
def id(self):
return self.get_word(self.ab())
def jm(self):
return self.ab()
def no(self):
return None
def _ab(self, diff):
a1 = self.ab()
@ -171,39 +340,89 @@ class CPU(object):
###########################################################################
# Instrukcije
def TAX(self, d): self.x = self.set_nz(self.a)
def TXA(self, d): self.a = self.set_nz(self.x)
def TAY(self, d): self.y = self.set_nz(self.a)
def TYA(self, d): self.a = self.set_nz(self.y)
def TSX(self, d): self.x = self.set_nz(self.sp)
def TXS(self, d): self.sp = self.x
def TAX(self, d):
self.x = self.set_nz(self.a)
def LDA(self, addr): self.a = self.set_nz(self.get_byte(addr))
def LDX(self, addr): self.x = self.set_nz(self.get_byte(addr))
def LDY(self, addr): self.y = self.set_nz(self.get_byte(addr))
def STA(self, addr): self.store_byte(addr, self.a)
def STX(self, addr): self.store_byte(addr, self.x)
def STY(self, addr): self.store_byte(addr, self.y)
def TXA(self, d):
self.a = self.set_nz(self.x)
def AND(self, addr): self.a = self.set_nz(self.get_byte(addr) & self.a)
def ORA(self, addr): self.a = self.set_nz(self.get_byte(addr) | self.a)
def EOR(self, addr): self.a = self.set_nz(self.get_byte(addr) ^ self.a)
def TAY(self, d):
self.y = self.set_nz(self.a)
def CLC(self, d): self.set_flag(self.CARRY, False)
def SEC(self, d): self.set_flag(self.CARRY, True)
def CLD(self, d): self.set_flag(self.DECIMAL, False)
def SED(self, d): self.set_flag(self.DECIMAL, True)
def CLI(self, d): self.set_flag(self.INTERRUPT, False)
def SEI(self, d): self.set_flag(self.INTERRUPT, True)
def CLV(self, d): self.set_flag(self.OVERFLOW, False)
def TYA(self, d):
self.a = self.set_nz(self.y)
def INX(self, d): self.x = self.set_nz((self.x + 1) & 0xFF)
def INY(self, d): self.y = self.set_nz((self.y + 1) & 0xFF)
def DEX(self, d): self.x = self.set_nz((self.x - 1) & 0xFF)
def DEY(self, d): self.y = self.set_nz((self.y - 1) & 0xFF)
def TSX(self, d):
self.x = self.set_nz(self.sp)
def INC(self, addr): self.store_byte(addr, self.set_nz(self.get_byte(addr) + 1))
def DEC(self, addr): self.store_byte(addr, self.set_nz(self.get_byte(addr) - 1))
def TXS(self, d):
self.sp = self.x
def LDA(self, addr):
self.a = self.set_nz(self.get_byte(addr))
def LDX(self, addr):
self.x = self.set_nz(self.get_byte(addr))
def LDY(self, addr):
self.y = self.set_nz(self.get_byte(addr))
def STA(self, addr):
self.store_byte(addr, self.a)
def STX(self, addr):
self.store_byte(addr, self.x)
def STY(self, addr):
self.store_byte(addr, self.y)
def AND(self, addr):
self.a = self.set_nz(self.get_byte(addr) & self.a)
def ORA(self, addr):
self.a = self.set_nz(self.get_byte(addr) | self.a)
def EOR(self, addr):
self.a = self.set_nz(self.get_byte(addr) ^ self.a)
def CLC(self, d):
self.set_flag(self.CARRY, False)
def SEC(self, d):
self.set_flag(self.CARRY, True)
def CLD(self, d):
self.set_flag(self.DECIMAL, False)
def SED(self, d):
self.set_flag(self.DECIMAL, True)
def CLI(self, d):
self.set_flag(self.INTERRUPT, False)
def SEI(self, d):
self.set_flag(self.INTERRUPT, True)
def CLV(self, d):
self.set_flag(self.OVERFLOW, False)
def INX(self, d):
self.x = self.set_nz((self.x + 1) & 0xFF)
def INY(self, d):
self.y = self.set_nz((self.y + 1) & 0xFF)
def DEX(self, d):
self.x = self.set_nz((self.x - 1) & 0xFF)
def DEY(self, d):
self.y = self.set_nz((self.y - 1) & 0xFF)
def INC(self, addr):
self.store_byte(addr, self.set_nz(self.get_byte(addr) + 1))
def DEC(self, addr):
self.store_byte(addr, self.set_nz(self.get_byte(addr) - 1))
def ASL(self, addr):
operand = self.get_byte(addr)
@ -217,11 +436,20 @@ class CPU(object):
self.set_flag(self.NEGATIVE, op & self.NEGATIVE)
self.set_flag(self.OVERFLOW, op & self.OVERFLOW)
def PHP(self, d): self.stack_push(self.flags | self.BREAK | self.UNUSED)
def PHA(self, d): self.stack_push(self.a)
def PLP(self, d): self.flags = self.stack_pop()
def PLA(self, d): self.a = self.set_nz(self.stack_pop())
def NOP(self, d): pass
def PHP(self, d):
self.stack_push(self.flags | self.BREAK | self.UNUSED)
def PHA(self, d):
self.stack_push(self.a)
def PLP(self, d):
self.flags = self.stack_pop()
def PLA(self, d):
self.a = self.set_nz(self.stack_pop())
def NOP(self, d):
pass
def ROR(self, addr):
value = self.get_byte(addr) >> 1 | self.get_flag(self.CARRY) * 128
@ -240,14 +468,17 @@ class CPU(object):
self.SEI(0)
self.pc = self.get_word(0xFFFE) # IRQ
def JMP(self, addr): self.pc = addr - 2
def JMP(self, addr):
self.pc = addr - 2
def JSR(self, addr):
if addr == 0xE7B7 and self.pc > 0xC000: # samo i jedino ako rutinu poziva ROM
if not self.tape_out:
self.tape_out = wave.open(self.get_filename(), 'w')
self.tape_out.setparams((1, 1, 44100, 0, 'NONE', 'not compressed'))
self.tape_out.writeframes(chr(255 * self.flipflop) * (1 + (self.y > 15)) * 10)
self.tape_out = wave.open(self.get_filename(), "w")
self.tape_out.setparams((1, 1, 44100, 0, "NONE", "not compressed"))
self.tape_out.writeframes(
chr(255 * self.flipflop) * (1 + (self.y > 15)) * 10
)
self.stack_push_word((self.pc + 1) & 0xFFFF)
self.pc = addr - 2
@ -267,49 +498,80 @@ class CPU(object):
self.pc = (self.pc + 1) & 0xFFFF
def ADDITION(self, arg):
result = (arg & 0XFF) + self.a + self.get_flag(self.CARRY)
result = (arg & 0xFF) + self.a + self.get_flag(self.CARRY)
self.set_flag(self.OVERFLOW, (~(arg ^ self.a)) & (self.a ^ result) & 0x80)
self.set_flag(self.CARRY, result > 255)
self.a = self.set_nz(result) & 0xFF
def ADC(self, addr): self.ADDITION(self.get_byte(addr))
def SBC(self, addr): self.ADDITION(~self.get_byte(addr))
def ADC(self, addr):
self.ADDITION(self.get_byte(addr))
def SBC(self, addr):
self.ADDITION(~self.get_byte(addr))
def COMPARE(self, what, addr):
self.set_flag(self.CARRY, self.set_nz(what - self.get_byte(addr)) >= 0)
def CMP(self, addr): self.COMPARE(self.a, addr)
def CPX(self, addr): self.COMPARE(self.x, addr)
def CPY(self, addr): self.COMPARE(self.y, addr)
def CMP(self, addr):
self.COMPARE(self.a, addr)
def CPX(self, addr):
self.COMPARE(self.x, addr)
def CPY(self, addr):
self.COMPARE(self.y, addr)
def BRANCH(self, addr, flag, condition):
if self.get_flag(flag) is condition:
self.pc = addr
self.cycles += 1 # Ako se grana, to je 1 ekstra ciklus
def BCS(self, addr):
self.BRANCH(addr, self.CARRY, True)
def BCS(self, addr): self.BRANCH(addr, self.CARRY, True)
def BCC(self, addr): self.BRANCH(addr, self.CARRY, False)
def BEQ(self, addr): self.BRANCH(addr, self.ZERO, True)
def BNE(self, addr): self.BRANCH(addr, self.ZERO, False)
def BMI(self, addr): self.BRANCH(addr, self.NEGATIVE, True)
def BPL(self, addr): self.BRANCH(addr, self.NEGATIVE, False)
def BVS(self, addr): self.BRANCH(addr, self.OVERFLOW, True)
def BVC(self, addr): self.BRANCH(addr, self.OVERFLOW, False)
def BCC(self, addr):
self.BRANCH(addr, self.CARRY, False)
def BEQ(self, addr):
self.BRANCH(addr, self.ZERO, True)
def BNE(self, addr):
self.BRANCH(addr, self.ZERO, False)
def BMI(self, addr):
self.BRANCH(addr, self.NEGATIVE, True)
def BPL(self, addr):
self.BRANCH(addr, self.NEGATIVE, False)
def BVS(self, addr):
self.BRANCH(addr, self.OVERFLOW, True)
def BVC(self, addr):
self.BRANCH(addr, self.OVERFLOW, False)
# dissasemble address
def disasm(self, addr):
instruction, addressing, cycles = self._opcodes[self.memory[addr]]
return "%04X %s %s" % (addr, instruction.__name__.lower(), self.addr_fmt[addressing](addr+1)), addr + self.ticks[addressing] + 1
return (
"%04X %s %s"
% (addr, instruction.__name__.lower(), self.addr_fmt[addressing](addr + 1)),
addr + self.ticks[addressing] + 1,
)
def step(self):
opcode = self.memory[self.pc]
if opcode not in self._opcodes:
print('HALT')
print("HALT")
for addr in self.executed:
code, _ = self.disasm(addr)
print(" - %s" % code)
print(" > %04x %02x %02x" % (self.pc, self.memory[self.pc], self.memory[self.pc+1]))
print((" - %s" % code))
print(
(
" > %04x %02x %02x"
% (self.pc, self.memory[self.pc], self.memory[self.pc + 1])
)
)
self.executed.append(self.pc)
self.pc = self.pc + 1 & 0xFFFF
@ -322,4 +584,3 @@ class CPU(object):
self.executed = self.executed[1:]
self.cycles += cycles

41
orao/keyboard.py
View file

@ -1,26 +1,37 @@
# -*- coding: utf8 -*-
# -*- coding: utf-8 -*-
# defines orao keyboard
import pygame, numpy
_kbd = {
0x83FE: (112, 240, 185, 39), 0x83FF: (45, 48), # [p đ š ;] [- 0]
0x85FE: (232, 230, 190, 43), 0x85FF: (8, 94), # [č ć ž :] [BS ^]
0x86FE: (102, 104, 103, 110), 0x86FF: (98, 118), # [f h g n] [b v]
0x877E: (100, 97, 115, 122), 0x877F: (120, 99), # [d a s z] [x c]
0x87BE: (108, 106, 107, 109), 0x87BF: (44, 46), # [l j k m] [, .]
0x87DE: (101, 113, 119, 49), 0x87DF: (50, 51), # [e q w l] [2 3]
0x87EE: (111, 105, 117, 55), 0x87EF: (56, 57), # [o i u 7] [8 9]
0x87F6: (114, 121, 116, 54), 0x87F7: (53, 52), # [r y t 6] [5 4]
0x87FA: (282, 283, 284, pygame.K_RCTRL), 0x87FD: (13, pygame.K_LCTRL), # [f1f2f3f4] [cr l_ctrl]
0x83FE: (112, 240, 185, 39),
0x83FF: (45, 48), # [p đ š ;] [- 0]
0x85FE: (232, 230, 190, 43),
0x85FF: (8, 94), # [č ć ž :] [BS ^]
0x86FE: (102, 104, 103, 110),
0x86FF: (98, 118), # [f h g n] [b v]
0x877E: (100, 97, 115, 122),
0x877F: (120, 99), # [d a s z] [x c]
0x87BE: (108, 106, 107, 109),
0x87BF: (44, 46), # [l j k m] [, .]
0x87DE: (101, 113, 119, 49),
0x87DF: (50, 51), # [e q w l] [2 3]
0x87EE: (111, 105, 117, 55),
0x87EF: (56, 57), # [o i u 7] [8 9]
0x87F6: (114, 121, 116, 54),
0x87F7: (53, 52), # [r y t 6] [5 4]
0x87FA: (282, 283, 284, pygame.K_RCTRL),
0x87FD: (13, pygame.K_LCTRL), # [f1f2f3f4] [cr l_ctrl]
0x87FC: (pygame.K_LEFT, pygame.K_UP, pygame.K_DOWN, pygame.K_RIGHT),
0x87FB: (32, pygame.K_RSHIFT) # [spc l_shift]
0x87FB: (32, pygame.K_RSHIFT), # [spc l_shift]
}
def listener(event, cpu):
if event.type in [pygame.KEYDOWN, pygame.KEYUP]:
for address, keycodes in _kbd.iteritems():
keys = map(pygame.key.get_pressed().__getitem__, keycodes)
cpu.memory[address] = ~numpy.dot(keys, [16, 32, 64, 128][:len(keys)]) & 0xFF
for address, keycodes in _kbd.items():
keys = list(map(pygame.key.get_pressed().__getitem__, keycodes))
cpu.memory[address] = (
~numpy.dot(keys, [16, 32, 64, 128][: len(keys)]) & 0xFF
)

19
orao/timer.py
View file

@ -1,14 +1,25 @@
# -*- coding: utf-8 -*-
timer = {}
timer_pos = {}
def mem_listener(addr, val, cpu):
if addr >= 0xa000 and addr <= 0xa0ff:
timer_ix = addr & 0xff
if addr >= 0xA000 and addr <= 0xA0FF:
timer_ix = addr & 0xFF
if timer_ix in timer:
print('timer(%3d:%04x-%04x):duration %d cy' % (timer_ix, timer_pos[timer_ix], cpu.pc-1, cpu.cycles - timer[timer_ix] - 4))
print(
(
"timer(%3d:%04x-%04x):duration %d cy"
% (
timer_ix,
timer_pos[timer_ix],
cpu.pc - 1,
cpu.cycles - timer[timer_ix] - 4,
)
)
)
del timer[timer_ix]
del timer_pos[timer_ix]
else:
timer[timer_ix] = cpu.cycles
timer_pos[timer_ix] = cpu.pc+2
timer_pos[timer_ix] = cpu.pc + 2

3
orao/video.py
View file

@ -1,9 +1,12 @@
# -*- coding: utf-8 -*-
import pygame
terminal = pygame.Surface((256, 256), pygame.SRCALPHA, depth=32)
terminal.fill((255, 255, 255))
alphaarray = pygame.surfarray.pixels_alpha(terminal)
def mem_listener(addr, val, cpu):
if 0x6000 <= addr <= 0x7FFF: # Video RAM
y, x = divmod((addr - 0x6000) * 8, 256)

1
orao/views/access_map.py
View file

@ -1,3 +1,4 @@
# -*- coding: utf-8 -*-
import pygame
from .view import View

3
orao/views/cpu_state.py
View file

@ -1,10 +1,11 @@
# -*- coding: utf-8 -*-
import pygame
from .view import View
from ..chargen import chargen_draw_str
class CPUState(View):
def __init__(self):
self.init_surface(pygame.Surface((2 * 8 * 8, 3 * 8), depth=24))
#self.set_smooth_scale()

3
orao/views/heatmap.py
View file

@ -1,3 +1,5 @@
# -*- coding: utf-8 -*-
import pygame
import numpy
from .view import View
@ -30,4 +32,3 @@ class MemHeatmap(View):
mem = cpu.memory[self.start_addr:self.start_addr + (w * h)]
arr = numpy.reshape(mem, (h, w))
pygame.surfarray.blit_array(self.surf, numpy.transpose(arr))

1
orao/views/micro_mem_view.py
View file

@ -1,3 +1,4 @@
# -*- coding: utf-8 -*-
from .heatmap import MemHeatmap
from .access_map import AccessMap

2
orao/views/text_label.py
View file

@ -1,3 +1,5 @@
# -*- coding: utf-8 -*-
import pygame
from .view import View
from ..chargen import chargen_draw_str

2
orao/views/view.py
View file

@ -1,3 +1,5 @@
# -*- coding: utf-8 -*-
import pygame
class View:

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# TOSEC: Pel Varazdin Orao
via https://archive.org/details/Pel_Varazdin_Orao_TOSEC_2012_04_23
Orao (en. Eagle) was an 8-bit computer developed by PEL Varaždin in 1984. It was used as a standard primary school computer in Croatia and Vojvodina from 1985 to 1991. Orao (code named YU102) was designed by Miroslav Kocijan to supersede Galeb (code named YU101). The goal was to make a better computer, yet with less components, easier to produce and less expensive. Originally the Motorola 6809 microprocessor was planned for the CPU but was abandoned for MOS 6502 due to its significantly lower cost.
There are 50 images of disks for the Pel Varazdin Orao, including games, applications, and firmware.
Added on: 2013-02-28 05:29:33
Identifier: Pel_Varazdin_Orao_TOSEC_2012_04_23
# listing
## Firmware
- Eagle Extended Basic v1.0 (1985)(PEL Varazdin).rom
- Monitor ROM v1.2 (19xx)(PEL Varazdin).rom
- Monitor ROM v1.3 (19xx)(PEL Varazdin).rom
- Orao Basic 1.2 (19xx)(PEL Varazdin).rom
## Games
- Ajnc (19xx)(PEL Soft)(YU).tap
- Avion (1986)(Herceg, Emil - Kos, Igor)(YU).tap
- Boulder Dash (19xx)(Mihailovic, Nenad - Dapjas, Mihajlo)(YU)(en).tap
- Breakout (19xx)(Stan Rimox Software)(YU)(en).tap
- Brojke (19xx)(-)(YU).tap
- Crvic (1986)(PEL Soft)(YU).tap
- Eagle (1986)(KMI Borovo)(YU).tap
- Figure Chess (1986)(KMI Borovo)(YU)(en).tap
- Internacional Karate (19xx)(KMI Borovo)(YU).tap
- Jugador (19xx)(Vuletic, Mario)(YU)(en).tap
- Jumping Jack (1986)(KMI Borovo)(YU)(en).tap
- Kuki (1986)(KMI Borovo)(YU).tap
- Labirint (1985)(Bibi Soft)(YU).tap
- Labirint M (19xx)(-)(YU).tap
- Magicni Kvadrat (1985)(Ranogajec, Mario - Korpar, Boris)(YU).tap
- Manic Miner (19xx)(Mihailovic, Nenad)(YU)(en).tap
- Match Fishing (1986)(KMI Borovo)(YU)(en).tap
- Memo (19xx)(PEL Soft)(YU).tap
- Memo (19xx)(PEL Soft)(YU)[a].tap
- Nevidljivi (1987)(Suzy Soft)(YU)[orao no.1].tap
- Obelix (19xx)(KMI Borovo)(YU)(en).tap
- Othello (1985)(Ivkovic, Sasa)(YU).tap
- Pac-Man (19xx)(Ivkovic, Sasa)(YU).tap
- Pcelica Maja (19xx)(-)(YU).tap
- Pomorska Bitka (19xx)(-)(YU).tap
- Reversi (19xx)(-)(YU)(en).tap
- Sokoban (19xx)(J.P.)(YU)(en).tap
- Space Invaders (19xx)(PEL Soft)(YU).tap
- Strip Ainc (1985)(Bistrovic, Z.)(YU).tap
- Strip Game Ainc (19xx)(KMI Borovo)(YU).tap
- Ukleti Dvorac (19xx)(-)(YU).tap
- Zid (1985)(PEL Zabavni Programi)(YU).tap
## Various
- 6502 Step v1.0 (19xx)(-).tap
- Crtanje (1987)(Suzy Soft)(YU)[orao no.1].tap
- Demo Grafika (1985)(KMI Borovo)(YU).tap
- Mikroracunalo Orao (1988)(PEL Varazdin)(YU)(Tape 1 of 2).tap
- Mikroracunalo Orao (1988)(PEL Varazdin)(YU)(Tape 2 of 2).tap
- Podsjetnik (1987)(Suzy Soft)(YU)[orao no.1].tap
- Porno (19xx)(-)(YU).tap
- Sintetizator Zvuka (1987)(Suzy Soft)(YU)[orao no.1].tap
- Tornjevi (19xx)(Tom)(YU).tap
- Znakovi (1987)(Suzy Soft)(YU)[orao no.1].tap

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