paul@6 | 1 | #!/usr/bin/env python |
paul@6 | 2 | |
paul@6 | 3 | """ |
paul@6 | 4 | Acorn Electron ULA simulation controller. |
paul@71 | 5 | |
paul@71 | 6 | Copyright (C) 2011, 2012, 2013, 2014 Paul Boddie <paul@boddie.org.uk> |
paul@71 | 7 | |
paul@71 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@71 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@71 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@71 | 11 | version. |
paul@71 | 12 | |
paul@71 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT ANY |
paul@71 | 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
paul@71 | 15 | PARTICULAR PURPOSE. See the GNU General Public License for more details. |
paul@71 | 16 | |
paul@71 | 17 | You should have received a copy of the GNU General Public License along |
paul@71 | 18 | with this program. If not, see <http://www.gnu.org/licenses/>. |
paul@6 | 19 | """ |
paul@6 | 20 | |
paul@6 | 21 | from ula import * |
paul@6 | 22 | import pygame |
paul@6 | 23 | |
paul@22 | 24 | WIDTH = 640 |
paul@22 | 25 | HEIGHT = 512 |
paul@22 | 26 | INTENSITY = 255 |
paul@22 | 27 | |
paul@22 | 28 | def update_screen(screen, screen_array): |
paul@22 | 29 | |
paul@22 | 30 | """ |
paul@22 | 31 | Update the host's 'screen' surface with the contents of the 'screen_array' |
paul@22 | 32 | containing the pixel content of the screen. |
paul@22 | 33 | """ |
paul@22 | 34 | |
paul@25 | 35 | surface = pygame.Surface((MAX_WIDTH, MAX_HEIGHT), 0, screen) |
paul@29 | 36 | sa = pygame.surfarray.pixels3d(surface) |
paul@29 | 37 | a = sa.transpose(1, 0, 2) |
paul@22 | 38 | |
paul@22 | 39 | # Copy the array to a surface and apply a pixel intensity. |
paul@22 | 40 | |
paul@22 | 41 | try: |
paul@29 | 42 | a.flat[:] = screen_array |
paul@22 | 43 | a *= INTENSITY |
paul@22 | 44 | finally: |
paul@29 | 45 | del a, sa |
paul@22 | 46 | |
paul@22 | 47 | # Scale the surface to the dimensions of the host's screen and copy the |
paul@22 | 48 | # result to the host's screen. |
paul@22 | 49 | |
paul@22 | 50 | screen.blit(pygame.transform.scale(surface, (WIDTH, HEIGHT)), (0, 0)) |
paul@10 | 51 | |
paul@6 | 52 | def mainloop(): |
paul@6 | 53 | while 1: |
paul@6 | 54 | pygame.display.flip() |
paul@6 | 55 | event = pygame.event.wait() |
paul@6 | 56 | if event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE: |
paul@6 | 57 | break |
paul@6 | 58 | |
paul@6 | 59 | if __name__ == "__main__": |
paul@6 | 60 | pygame.init() |
paul@6 | 61 | screen = pygame.display.set_mode((WIDTH, HEIGHT), 0) |
paul@6 | 62 | |
paul@11 | 63 | ula = get_ula() |
paul@6 | 64 | |
paul@6 | 65 | # Test MODE 2. |
paul@6 | 66 | |
paul@31 | 67 | ula.set_mode(2); ula.reset() |
paul@6 | 68 | |
paul@40 | 69 | ula.ram.fill(0x3000, 0x5800 - 320, encode((1, 6), 4)) |
paul@40 | 70 | ula.ram.fill(0x5800 - 320, 0x8000, encode((2, 7), 4)) |
paul@29 | 71 | ula_screen = update(ula) |
paul@22 | 72 | update_screen(screen, ula_screen) |
paul@40 | 73 | print "Screen updated." |
paul@6 | 74 | mainloop() |
paul@6 | 75 | |
paul@6 | 76 | ula.screen_start = 0x3000 + 2 |
paul@29 | 77 | ula_screen = update(ula) |
paul@22 | 78 | update_screen(screen, ula_screen) |
paul@40 | 79 | print "Screen updated." |
paul@6 | 80 | mainloop() |
paul@6 | 81 | |
paul@6 | 82 | # Test MODE 6. |
paul@6 | 83 | |
paul@31 | 84 | ula.set_mode(6); ula.reset() |
paul@6 | 85 | |
paul@40 | 86 | ula.ram.fill(0x6000, 0x6f00 + 160, encode((1, 0, 1, 1, 0, 0, 1, 1), 1)) |
paul@40 | 87 | ula.ram.fill(0x6f00 + 160, 0x7f40, encode((1, 0, 1, 0, 1, 0, 1, 0), 1)) |
paul@29 | 88 | ula_screen = update(ula) |
paul@22 | 89 | update_screen(screen, ula_screen) |
paul@40 | 90 | print "Screen updated." |
paul@6 | 91 | mainloop() |
paul@6 | 92 | |
paul@6 | 93 | ula.screen_start = 0x6f00 + 160 |
paul@29 | 94 | ula_screen = update(ula) |
paul@22 | 95 | update_screen(screen, ula_screen) |
paul@40 | 96 | print "Screen updated." |
paul@6 | 97 | mainloop() |
paul@6 | 98 | |
paul@6 | 99 | # vim: tabstop=4 expandtab shiftwidth=4 |