123 lines
4.1 KiB
Python
Executable file
123 lines
4.1 KiB
Python
Executable file
#!/usr/bin/python2
|
|
# -*- coding: utf8 -*-
|
|
|
|
import pygame, numpy, sys, datetime, wave, time
|
|
from orao.cpu import CPU
|
|
from orao.keyboard import listener as orao_kbd_listener
|
|
from orao.video import mem_listener as video_mem_listener, terminal
|
|
from orao.timer import mem_listener as timer_mem_listener
|
|
from orao.chargen import chargen_init, chargen_draw_str
|
|
|
|
MEM_LOAD_PRG = None
|
|
|
|
if len(sys.argv) == 2:
|
|
MEM_LOAD_PRG = sys.argv[1]
|
|
|
|
|
|
# pygame init
|
|
ratio, running = 0, True
|
|
|
|
pygame.mixer.pre_init(44100, 8, 1, buffer=2048)
|
|
pygame.init()
|
|
pygame.time.set_timer(pygame.USEREVENT + 1, 40)
|
|
|
|
# setup surfaces
|
|
screen = pygame.display.set_mode((512+1+8+8+1+1+32*3, 512+ 3*8 + 2))
|
|
pygame.display.set_caption('Orao Emulator v0.1')
|
|
from orao.micro_mem_view import micro_mem_view, store_mem_view, micro_mem_view_dims
|
|
|
|
# create CPU
|
|
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)
|
|
|
|
chargen_init(cpu.memory[0xE000:])
|
|
|
|
# status lines
|
|
status_line = pygame.Surface((64 * 8, 3*8), depth=24)
|
|
status_line.fill((0, 0, 0))
|
|
chargen_draw_str(status_line, 0, 0, 'Orao Emulator v0.1')
|
|
if MEM_LOAD_PRG is not None:
|
|
chargen_draw_str(status_line, 0, 16, 'F8:', color=(0, 0, 0), bg=(0, 255, 0))
|
|
chargen_draw_str(status_line, 24, 16, ' %s' % MEM_LOAD_PRG)
|
|
|
|
# memory view labels
|
|
MAX_LABELS = 33
|
|
mem_map_labels = pygame.Surface((2*8+1, MAX_LABELS*8*2), depth=24)
|
|
mem_map_labels.fill((0, 0, 0))
|
|
for i in range(0, MAX_LABELS):
|
|
chargen_draw_str(mem_map_labels, 0, i*8*3, '%02x' % i, color=(0xff, 0xcc, 0x00))
|
|
mem_map_labels.set_at((16, i*8*3), (0, 255, 0))
|
|
|
|
def render_frame():
|
|
store_mem_view(cpu.memory)
|
|
|
|
screen.fill((0, 0, 0))
|
|
screen.blit(pygame.transform.smoothscale(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])
|
|
w, h = micro_mem_view_dims
|
|
screen.blit(mem_map_labels, [512+1, 0])
|
|
screen.blit(pygame.transform.scale(micro_mem_view, (w * 3, h * 3)), [512 + 1 + 8 + 8 + 1 + 1, 0])
|
|
pygame.display.flip()
|
|
|
|
while running:
|
|
before, previous_loop_cycles = datetime.datetime.now(), cpu.cycles
|
|
time_elapsed = lambda: (datetime.datetime.now()-before).microseconds + 1
|
|
|
|
for i in range(5000):
|
|
cpu.step()
|
|
|
|
for event in pygame.event.get():
|
|
if event.type == pygame.QUIT:
|
|
running = False
|
|
|
|
if event.type == pygame.MOUSEBUTTONDOWN:
|
|
x, y = event.pos
|
|
if 650 < x < 700 and 720 < y < 790: # Reset button
|
|
cpu.__init__(cpu.memory[:]) # Warm reset
|
|
|
|
orao_kbd_listener(event, cpu)
|
|
|
|
if event.type in [pygame.KEYDOWN, pygame.KEYUP]:
|
|
pkeys = pygame.key.get_pressed()
|
|
if pkeys[pygame.K_ESCAPE]:
|
|
running = False
|
|
|
|
if pkeys[pygame.K_F8]:
|
|
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)
|
|
|
|
# load file to memory
|
|
for i in range(0, len(ba)):
|
|
cpu.memory[addr + i] = ba[i]
|
|
|
|
# run
|
|
cpu.pc = addr
|
|
# HACK: reset stack pointer
|
|
cpu.sp = 241
|
|
|
|
if event.type == pygame.USEREVENT + 1:
|
|
render_frame()
|
|
|
|
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:
|
|
while cpu.channel.get_queue():
|
|
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
|
|
|
|
ratio = 1.0 * (cpu.cycles - previous_loop_cycles) / time_elapsed()
|
|
|
|
pygame.quit()
|