558 lines
21 KiB
C
558 lines
21 KiB
C
/* Varvara plugin for rockbox. I have no idea what I'm doing.
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copyright (c) 2021 Devine Lu Linvega
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copyright (c) 2021 nihilazo
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE.
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TODO proper support for greyscale displays
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TODO rom loading
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TODO other varvara devices
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TODO clean up
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*/
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#include "uxn.h"
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#include "devices/ppu.h"
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#include "plugin.h"
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#include "keymaps.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <time.h>
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const Uint8 hwrom[] = { /* hello world ROM */
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0x20, 0x01, 0x0e, 0x94, 0x80, 0x18, 0x17, 0x21,
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0x94, 0x80, 0xf7, 0x0d, 0x22, 0x00, 0x48, 0x65,
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0x6c, 0x6c, 0x6f, 0x20, 0x55, 0x78, 0x6e, 0x21,
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0x21,
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};
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const Uint8 uxn_rom[] = { /* screen test ROM */
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0x20, 0x01, 0x43, 0x80, 0x20, 0x37, 0x20, 0xf0,
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0x7f, 0x80, 0x08, 0x37, 0x20, 0xf0, 0xe0, 0x80,
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0x0a, 0x37, 0x20, 0xf0, 0xc0, 0x80, 0x0c, 0x37,
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0x80, 0x22, 0x36, 0x80, 0x01, 0x3f, 0x20, 0x00,
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0x20, 0x39, 0x80, 0x02, 0x31, 0x80, 0x24, 0x36,
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0x80, 0x01, 0x3f, 0x80, 0x04, 0x31, 0x20, 0x01,
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0xd4, 0x2e, 0x20, 0x02, 0x2f, 0x2e, 0x20, 0x02,
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0x71, 0x2e, 0x20, 0x02, 0xae, 0x2e, 0x20, 0x03,
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0x3a, 0x2e, 0x00, 0x80, 0x00, 0x30, 0x21, 0x23,
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0x80, 0x00, 0x31, 0x80, 0x02, 0x30, 0x20, 0x00,
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0x48, 0x38, 0x80, 0x28, 0x37, 0x80, 0x04, 0x30,
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0x20, 0x00, 0x50, 0x39, 0x80, 0x2a, 0x37, 0x80,
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0x01, 0x0f, 0x05, 0x03, 0x80, 0x04, 0x1f, 0x80,
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0x00, 0x05, 0x80, 0x30, 0x3f, 0x20, 0x03, 0x91,
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0x38, 0x80, 0x2c, 0x37, 0xcf, 0x80, 0x2f, 0x17,
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0x80, 0x0f, 0x1c, 0x80, 0x00, 0x05, 0x80, 0x30,
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0x3f, 0x20, 0x03, 0x91, 0x38, 0x80, 0x2c, 0x37,
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0x80, 0x28, 0x36, 0x20, 0x00, 0x08, 0x38, 0x80,
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0x28, 0x37, 0xcf, 0x80, 0x2f, 0x17, 0x03, 0x80,
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0x04, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x30, 0x3f,
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0x20, 0x03, 0x91, 0x38, 0x80, 0x2c, 0x37, 0x80,
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0x28, 0x36, 0x20, 0x00, 0x08, 0x38, 0x80, 0x28,
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0x37, 0xcf, 0x80, 0x2f, 0x17, 0x80, 0x0f, 0x1c,
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0x80, 0x00, 0x05, 0x80, 0x30, 0x3f, 0x20, 0x03,
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0x91, 0x38, 0x80, 0x2c, 0x37, 0x80, 0x28, 0x36,
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0x20, 0x00, 0x08, 0x38, 0x80, 0x28, 0x37, 0x4f,
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0x80, 0x2f, 0x17, 0x00, 0x80, 0x10, 0x80, 0x00,
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0x03, 0x80, 0x30, 0x1f, 0x80, 0x00, 0x05, 0x20,
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0x03, 0x91, 0x38, 0x80, 0x2c, 0x37, 0x03, 0x80,
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0x30, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x02, 0x30,
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0x20, 0x00, 0x40, 0x39, 0x38, 0x80, 0x28, 0x37,
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0x80, 0x04, 0x30, 0x20, 0x00, 0x50, 0x39, 0x80,
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0x2a, 0x37, 0x80, 0x01, 0x80, 0x2f, 0x17, 0x03,
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0x80, 0x30, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x04,
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0x30, 0x20, 0x00, 0x40, 0x39, 0x38, 0x80, 0x2a,
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0x37, 0x80, 0x02, 0x30, 0x20, 0x00, 0x50, 0x39,
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0x80, 0x28, 0x37, 0x80, 0x01, 0x80, 0x2f, 0x17,
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0x01, 0x8a, 0x80, 0xab, 0x0d, 0x22, 0x6c, 0x20,
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0x03, 0x81, 0x80, 0x2c, 0x37, 0x80, 0x00, 0x80,
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0x00, 0x03, 0x80, 0x0f, 0x1c, 0x80, 0x40, 0x1f,
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0x80, 0x01, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x02,
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0x30, 0x20, 0x00, 0x40, 0x39, 0x38, 0x80, 0x28,
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0x37, 0x03, 0x80, 0xf0, 0x1c, 0x80, 0x01, 0x1f,
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0x80, 0x00, 0x05, 0x80, 0x04, 0x30, 0x20, 0x00,
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0x40, 0x39, 0x38, 0x80, 0x2a, 0x37, 0x03, 0x80,
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0x2f, 0x17, 0x01, 0x89, 0x80, 0xca, 0x0d, 0x22,
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0x6c, 0x80, 0x10, 0x80, 0x00, 0x8f, 0x03, 0x80,
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0x02, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x40, 0x3f,
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0x80, 0x04, 0x30, 0x20, 0x00, 0x40, 0x39, 0x38,
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0x2f, 0x03, 0x80, 0x03, 0x1c, 0x80, 0x00, 0x05,
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0x80, 0x40, 0x3f, 0x20, 0x00, 0x40, 0x38, 0x80,
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0x02, 0x30, 0x20, 0x00, 0x08, 0x38, 0x38, 0x6f,
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0x4f, 0x80, 0x00, 0x20, 0x02, 0xe7, 0x2e, 0x01,
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0x8a, 0x80, 0xc9, 0x0d, 0x22, 0x6c, 0x80, 0x10,
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0x80, 0x00, 0x8f, 0x03, 0x80, 0x02, 0x1f, 0x80,
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0x00, 0x05, 0x80, 0x40, 0x3f, 0x80, 0x04, 0x30,
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0x38, 0x2f, 0x03, 0x80, 0x03, 0x1c, 0x80, 0x00,
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0x05, 0x80, 0x40, 0x3f, 0x20, 0x00, 0x40, 0x38,
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0x80, 0x02, 0x30, 0x20, 0x00, 0x08, 0x38, 0x38,
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0x6f, 0x4f, 0x80, 0x80, 0x20, 0x02, 0xe7, 0x2e,
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0x01, 0x8a, 0x80, 0xcd, 0x0d, 0x22, 0x6c, 0x18,
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0x0f, 0x20, 0x03, 0x81, 0x80, 0x2c, 0x37, 0x80,
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0x2a, 0x37, 0x80, 0x28, 0x37, 0x80, 0x00, 0xcf,
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0x18, 0x80, 0x2f, 0x17, 0x80, 0x28, 0x36, 0x20,
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0x00, 0x08, 0x38, 0x80, 0x28, 0x37, 0x80, 0x10,
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0xcf, 0x18, 0x80, 0x2f, 0x17, 0x80, 0x28, 0x36,
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0x20, 0x00, 0x08, 0x39, 0x80, 0x28, 0x37, 0x80,
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0x2a, 0x36, 0x20, 0x00, 0x08, 0x38, 0x80, 0x2a,
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0x37, 0x80, 0x20, 0xcf, 0x18, 0x80, 0x2f, 0x17,
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0x80, 0x28, 0x36, 0x20, 0x00, 0x08, 0x38, 0x80,
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0x28, 0x37, 0x80, 0x30, 0x4f, 0x18, 0x80, 0x2f,
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0x17, 0x6c, 0x80, 0x04, 0x30, 0x20, 0x00, 0x40,
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0x39, 0x80, 0x2a, 0x37, 0x80, 0x02, 0x30, 0x20,
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0x00, 0x48, 0x38, 0x80, 0x28, 0x37, 0x80, 0x00,
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0x80, 0x2e, 0x17, 0x80, 0x02, 0x30, 0x20, 0x00,
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0x49, 0x38, 0x80, 0x28, 0x37, 0x80, 0x01, 0x80,
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0x2e, 0x17, 0x80, 0x02, 0x30, 0x20, 0x00, 0x4a,
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0x38, 0x80, 0x28, 0x37, 0x80, 0x02, 0x80, 0x2e,
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0x17, 0x80, 0x02, 0x30, 0x20, 0x00, 0x4b, 0x38,
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0x80, 0x28, 0x37, 0x80, 0x03, 0x80, 0x2e, 0x17,
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0x6c, 0x0f, 0x38, 0x67, 0x5f, 0xdf, 0xbf, 0xbf,
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0xbf, 0x00, 0x07, 0x18, 0x20, 0x23, 0x44, 0x48,
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0x48, 0x00, 0x7c, 0x82, 0x82, 0x82, 0x82, 0x82,
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0x7c, 0x00, 0x30, 0x10, 0x10, 0x10, 0x10, 0x10,
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0x10, 0x00, 0x7c, 0x82, 0x02, 0x7c, 0x80, 0x80,
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0xfe, 0x00, 0x7c, 0x82, 0x02, 0x1c, 0x02, 0x82,
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0x7c, 0x00, 0x0c, 0x14, 0x24, 0x44, 0x84, 0xfe,
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0x04, 0x00, 0xfe, 0x80, 0x80, 0x7c, 0x02, 0x82,
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0x7c, 0x00, 0x7c, 0x82, 0x80, 0xfc, 0x82, 0x82,
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0x7c, 0x00, 0x7c, 0x82, 0x02, 0x1e, 0x02, 0x02,
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0x02, 0x00, 0x7c, 0x82, 0x82, 0x7c, 0x82, 0x82,
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0x7c, 0x00, 0x7c, 0x82, 0x82, 0x7e, 0x02, 0x82,
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0x7c, 0x00, 0x7c, 0x82, 0x02, 0x7e, 0x82, 0x82,
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0x7e, 0x00, 0xfc, 0x82, 0x82, 0xfc, 0x82, 0x82,
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0xfc, 0x00, 0x7c, 0x82, 0x80, 0x80, 0x80, 0x82,
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0x7c, 0x00, 0xfc, 0x82, 0x82, 0x82, 0x82, 0x82,
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0xfc, 0x00, 0x7c, 0x82, 0x80, 0xf0, 0x80, 0x82,
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0x7c, 0x00, 0x7c, 0x82, 0x80, 0xf0, 0x80, 0x80,
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0x80, 0x80,
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};
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const Uint8 vector_rom[] = { // screen vector test ROM
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0x20, 0x01, 0x19, 0x80, 0x20, 0x37, 0x20, 0x0f,
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0x7f, 0x80, 0x08, 0x37, 0x20, 0x0f, 0xe0, 0x80,
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0x0a, 0x37, 0x20, 0x0f, 0xc0, 0x80, 0x0c, 0x37,
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0x00, 0x80, 0x00, 0x30, 0x21, 0x23, 0x80, 0x00,
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0x31, 0x20, 0x00, 0x00, 0x80, 0x28, 0x37, 0x20,
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0x00, 0x00, 0x80, 0x2a, 0x37, 0x80, 0x01, 0x0f,
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0x05, 0x03, 0x80, 0x04, 0x1f, 0x80, 0x00, 0x05,
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0x80, 0x30, 0x3f, 0x20, 0x01, 0xb2, 0x38, 0x80,
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0x2c, 0x37, 0xcf, 0x80, 0x2f, 0x17, 0x80, 0x0f,
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0x1c, 0x80, 0x00, 0x05, 0x80, 0x30, 0x3f, 0x20,
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0x01, 0xb2, 0x38, 0x80, 0x2c, 0x37, 0x80, 0x28,
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0x36, 0x20, 0x00, 0x08, 0x38, 0x80, 0x28, 0x37,
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0xcf, 0x80, 0x2f, 0x17, 0x03, 0x80, 0x04, 0x1f,
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0x80, 0x00, 0x05, 0x80, 0x30, 0x3f, 0x20, 0x01,
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0xb2, 0x38, 0x80, 0x2c, 0x37, 0x80, 0x28, 0x36,
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0x20, 0x00, 0x08, 0x38, 0x80, 0x28, 0x37, 0xcf,
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0x80, 0x2f, 0x17, 0x80, 0x0f, 0x1c, 0x80, 0x00,
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0x05, 0x80, 0x30, 0x3f, 0x20, 0x01, 0xb2, 0x38,
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0x80, 0x2c, 0x37, 0x80, 0x28, 0x36, 0x20, 0x00,
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0x08, 0x38, 0x80, 0x28, 0x37, 0x4f, 0x80, 0x2f,
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0x17, 0x00, 0x0f, 0x38, 0x67, 0x5f, 0xdf, 0xbf,
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0xbf, 0xbf, 0x00, 0x07, 0x18, 0x20, 0x23, 0x44,
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0x48, 0x48, 0x00, 0x7c, 0x82, 0x82, 0x82, 0x82,
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0x82, 0x7c, 0x00, 0x30, 0x10, 0x10, 0x10, 0x10,
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0x10, 0x10, 0x00, 0x7c, 0x82, 0x02, 0x7c, 0x80,
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0x80, 0xfe, 0x00, 0x7c, 0x82, 0x02, 0x1c, 0x02,
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0x82, 0x7c, 0x00, 0x0c, 0x14, 0x24, 0x44, 0x84,
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0xfe, 0x04, 0x00, 0xfe, 0x80, 0x80, 0x7c, 0x02,
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0x82, 0x7c, 0x00, 0x7c, 0x82, 0x80, 0xfc, 0x82,
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0x82, 0x7c, 0x00, 0x7c, 0x82, 0x02, 0x1e, 0x02,
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0x02, 0x02, 0x00, 0x7c, 0x82, 0x82, 0x7c, 0x82,
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0x82, 0x7c, 0x00, 0x7c, 0x82, 0x82, 0x7e, 0x02,
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0x82, 0x7c, 0x00, 0x7c, 0x82, 0x02, 0x7e, 0x82,
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0x82, 0x7e, 0x00, 0xfc, 0x82, 0x82, 0xfc, 0x82,
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0x82, 0xfc, 0x00, 0x7c, 0x82, 0x80, 0x80, 0x80,
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0x82, 0x7c, 0x00, 0xfc, 0x82, 0x82, 0x82, 0x82,
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0x82, 0xfc, 0x00, 0x7c, 0x82, 0x80, 0xf0, 0x80,
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0x82, 0x7c, 0x00, 0x7c, 0x82, 0x80, 0xf0, 0x80,
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0x80, 0x80, 0x80,
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};
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const Uint8 controller_rom[] = { /* controller test ROM */
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0x20, 0x0f, 0xf7, 0x80, 0x08, 0x37, 0x20, 0x0f,
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0x07, 0x80, 0x0a, 0x37, 0x20, 0x0f, 0x07, 0x80,
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0x0c, 0x37, 0x80, 0x22, 0x36, 0x80, 0x01, 0x3f,
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0x80, 0x00, 0x31, 0x80, 0x24, 0x36, 0x80, 0x01,
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0x3f, 0x80, 0x02, 0x31, 0x20, 0x00, 0x68, 0x80,
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0x04, 0x31, 0x20, 0x00, 0x30, 0x80, 0x06, 0x31,
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0x80, 0x00, 0x30, 0x80, 0x04, 0x30, 0x20, 0x00,
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0x02, 0x3b, 0x39, 0x80, 0x08, 0x31, 0x80, 0x02,
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0x30, 0x80, 0x06, 0x30, 0x20, 0x00, 0x02, 0x3b,
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0x39, 0x80, 0x0a, 0x31, 0x80, 0x08, 0x30, 0x80,
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0x04, 0x30, 0x38, 0x80, 0x0c, 0x31, 0x80, 0x0a,
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0x30, 0x80, 0x06, 0x30, 0x38, 0x80, 0x0e, 0x31,
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0x20, 0x01, 0x6b, 0x80, 0x80, 0x37, 0x20, 0x01,
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0x70, 0x2e, 0x00, 0x20, 0x01, 0x70, 0x2e, 0x00,
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0x80, 0x82, 0x16, 0x0f, 0x80, 0x08, 0x30, 0x80,
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0x0a, 0x30, 0x80, 0x0c, 0x30, 0x80, 0x0e, 0x30,
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0x80, 0x01, 0x20, 0x03, 0x87, 0x2e, 0x80, 0x08,
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0x30, 0x20, 0x00, 0x10, 0x38, 0x80, 0x28, 0x37,
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0x80, 0x0a, 0x30, 0x20, 0x00, 0x10, 0x38, 0x80,
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0x2a, 0x37, 0x20, 0x04, 0x0e, 0x80, 0x2c, 0x37,
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0x80, 0x03, 0xcf, 0x80, 0x04, 0x1f, 0x80, 0x01,
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0x1c, 0x03, 0x18, 0x19, 0x80, 0x2f, 0x17, 0x80,
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0x2a, 0x36, 0x20, 0x00, 0x10, 0x38, 0x80, 0x2a,
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0x37, 0x20, 0x04, 0x16, 0x80, 0x2c, 0x37, 0x80,
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0x03, 0xcf, 0x80, 0x05, 0x1f, 0x80, 0x01, 0x1c,
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0x03, 0x18, 0x19, 0x80, 0x2f, 0x17, 0x80, 0x2a,
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0x36, 0x20, 0x00, 0x08, 0x39, 0x80, 0x2a, 0x37,
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0x80, 0x28, 0x36, 0x20, 0x00, 0x08, 0x39, 0x80,
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0x28, 0x37, 0x20, 0x04, 0x1e, 0x80, 0x2c, 0x37,
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0x80, 0x03, 0xcf, 0x80, 0x06, 0x1f, 0x80, 0x01,
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0x1c, 0x03, 0x18, 0x19, 0x80, 0x2f, 0x17, 0x80,
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0x28, 0x36, 0x20, 0x00, 0x10, 0x38, 0x80, 0x28,
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0x37, 0x20, 0x04, 0x26, 0x80, 0x2c, 0x37, 0x80,
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0x03, 0xcf, 0x80, 0x07, 0x1f, 0x80, 0x01, 0x1c,
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0x03, 0x18, 0x19, 0x80, 0x2f, 0x17, 0x80, 0x28,
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0x36, 0x20, 0x00, 0x08, 0x39, 0x80, 0x28, 0x37,
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0x20, 0x04, 0x06, 0x80, 0x2c, 0x37, 0x80, 0x03,
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0x80, 0x2f, 0x17, 0x80, 0x02, 0x30, 0x20, 0x00,
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0x09, 0x38, 0x80, 0x2a, 0x37, 0x80, 0x00, 0x30,
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0x20, 0x00, 0x09, 0x39, 0x80, 0x28, 0x37, 0x20,
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0x04, 0x2e, 0x80, 0x2c, 0x37, 0x80, 0x03, 0xcf,
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0x80, 0x02, 0x1f, 0x80, 0x01, 0x1c, 0x03, 0x18,
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0x19, 0x80, 0x2f, 0x17, 0x80, 0x00, 0x30, 0x20,
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0x00, 0x04, 0x38, 0x80, 0x28, 0x37, 0x20, 0x04,
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0x2e, 0x80, 0x2c, 0x37, 0x80, 0x03, 0xcf, 0x80,
|
|
0x03, 0x1f, 0x80, 0x01, 0x1c, 0x03, 0x18, 0x19,
|
|
0x80, 0x2f, 0x17, 0x80, 0x02, 0x30, 0x20, 0x00,
|
|
0x00, 0x38, 0x80, 0x2a, 0x37, 0x80, 0x00, 0x30,
|
|
0x20, 0x00, 0x18, 0x38, 0x80, 0x28, 0x37, 0x20,
|
|
0x04, 0x36, 0x80, 0x2c, 0x37, 0x80, 0x03, 0xcf,
|
|
0x80, 0x01, 0x1f, 0x80, 0x01, 0x1c, 0x19, 0x80,
|
|
0x2f, 0x17, 0x80, 0x2a, 0x36, 0x20, 0x00, 0x0a,
|
|
0x38, 0x80, 0x2a, 0x37, 0x20, 0x04, 0x3e, 0x20,
|
|
0x00, 0x0b, 0x80, 0x30, 0x3f, 0x38, 0x80, 0x2c,
|
|
0x37, 0x80, 0x03, 0x80, 0x2f, 0x17, 0x80, 0x02,
|
|
0x30, 0x20, 0x00, 0x00, 0x38, 0x80, 0x2a, 0x37,
|
|
0x80, 0x00, 0x30, 0x20, 0x00, 0x24, 0x38, 0x80,
|
|
0x28, 0x37, 0x20, 0x04, 0x36, 0x80, 0x2c, 0x37,
|
|
0x80, 0x03, 0x4f, 0x80, 0x01, 0x1c, 0x19, 0x80,
|
|
0x2f, 0x17, 0x80, 0x2a, 0x36, 0x20, 0x00, 0x0a,
|
|
0x38, 0x80, 0x2a, 0x37, 0x20, 0x04, 0x3e, 0x20,
|
|
0x00, 0x0a, 0x80, 0x30, 0x3f, 0x38, 0x80, 0x2c,
|
|
0x37, 0x80, 0x03, 0x80, 0x2f, 0x17, 0x80, 0x00,
|
|
0x30, 0x20, 0x00, 0x10, 0x39, 0x80, 0x28, 0x37,
|
|
0x80, 0x02, 0x30, 0x20, 0x00, 0x10, 0x39, 0x80,
|
|
0x2a, 0x37, 0x80, 0x82, 0x36, 0x80, 0x03, 0x20,
|
|
0x03, 0x14, 0x2e, 0x6c, 0x0f, 0x05, 0x03, 0x80,
|
|
0x04, 0x1f, 0x80, 0x00, 0x05, 0x80, 0x30, 0x3f,
|
|
0x20, 0x04, 0x3e, 0x38, 0x80, 0x2c, 0x37, 0xcf,
|
|
0x80, 0x2f, 0x17, 0x80, 0x0f, 0x1c, 0x80, 0x00,
|
|
0x05, 0x80, 0x30, 0x3f, 0x20, 0x04, 0x3e, 0x38,
|
|
0x80, 0x2c, 0x37, 0x80, 0x28, 0x36, 0x20, 0x00,
|
|
0x08, 0x38, 0x80, 0x28, 0x37, 0xcf, 0x80, 0x2f,
|
|
0x17, 0x03, 0x80, 0x04, 0x1f, 0x80, 0x00, 0x05,
|
|
0x80, 0x30, 0x3f, 0x20, 0x04, 0x3e, 0x38, 0x80,
|
|
0x2c, 0x37, 0x80, 0x28, 0x36, 0x20, 0x00, 0x08,
|
|
0x38, 0x80, 0x28, 0x37, 0xcf, 0x80, 0x2f, 0x17,
|
|
0x80, 0x0f, 0x1c, 0x80, 0x00, 0x05, 0x80, 0x30,
|
|
0x3f, 0x20, 0x04, 0x3e, 0x38, 0x80, 0x2c, 0x37,
|
|
0x80, 0x28, 0x36, 0x20, 0x00, 0x08, 0x38, 0x80,
|
|
0x28, 0x37, 0x4f, 0x80, 0x2f, 0x17, 0x6c, 0x80,
|
|
0x10, 0x11, 0x23, 0x2f, 0x80, 0x17, 0x31, 0x80,
|
|
0x15, 0x31, 0x23, 0x2f, 0x80, 0x13, 0x31, 0x80,
|
|
0x11, 0x31, 0x6f, 0x21, 0x6f, 0x26, 0x80, 0x2a,
|
|
0x37, 0x80, 0x11, 0x30, 0x80, 0x28, 0x37, 0x80,
|
|
0x10, 0x10, 0x03, 0x80, 0x2e, 0x17, 0x80, 0x15,
|
|
0x30, 0x80, 0x28, 0x37, 0x80, 0x2e, 0x17, 0x25,
|
|
0x21, 0x25, 0x26, 0x26, 0x20, 0x80, 0x00, 0x38,
|
|
0x25, 0x20, 0x80, 0x00, 0x38, 0x2a, 0x80, 0xd4,
|
|
0x0d, 0x22, 0x22, 0x80, 0x11, 0x30, 0x21, 0x80,
|
|
0x15, 0x30, 0x20, 0x00, 0x01, 0x39, 0x26, 0x80,
|
|
0x28, 0x37, 0x80, 0x13, 0x30, 0x80, 0x2a, 0x37,
|
|
0x80, 0x10, 0x10, 0x03, 0x80, 0x2e, 0x17, 0x80,
|
|
0x17, 0x30, 0x80, 0x2a, 0x37, 0x80, 0x2e, 0x17,
|
|
0x25, 0x21, 0x25, 0x26, 0x26, 0x21, 0x20, 0x80,
|
|
0x00, 0x38, 0x25, 0x20, 0x80, 0x00, 0x38, 0x2a,
|
|
0x80, 0xd3, 0x0d, 0x22, 0x22, 0x6c, 0xff, 0xff,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7e, 0xff,
|
|
0xe7, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, 0xff, 0xc3, 0xe7, 0xff, 0x7e, 0x7f, 0xff,
|
|
0xef, 0xcf, 0xcf, 0xef, 0xff, 0x7f, 0xfe, 0xff,
|
|
0xf7, 0xf3, 0xf3, 0xf7, 0xff, 0xfe, 0x00, 0x00,
|
|
0x7e, 0xff, 0xff, 0x7e, 0x00, 0x00, 0x3c, 0x7e,
|
|
0xff, 0xff, 0xff, 0xff, 0x7e, 0x3c, 0x00, 0x3c,
|
|
0x42, 0x42, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x18,
|
|
0x08, 0x08, 0x08, 0x08, 0x1c, 0x00, 0x00, 0x3c,
|
|
0x42, 0x02, 0x3c, 0x40, 0x7e, 0x00, 0x00, 0x3c,
|
|
0x42, 0x1c, 0x02, 0x42, 0x3c, 0x00, 0x00, 0x0c,
|
|
0x14, 0x24, 0x44, 0x7e, 0x04, 0x00, 0x00, 0x7e,
|
|
0x40, 0x7c, 0x02, 0x42, 0x3c, 0x00, 0x00, 0x3c,
|
|
0x40, 0x7c, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x7e,
|
|
0x02, 0x04, 0x08, 0x10, 0x10, 0x00, 0x00, 0x3c,
|
|
0x42, 0x3c, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x3c,
|
|
0x42, 0x42, 0x3e, 0x02, 0x3c, 0x00, 0x00, 0x3c,
|
|
0x42, 0x42, 0x7e, 0x42, 0x42, 0x00, 0x00, 0x7c,
|
|
0x42, 0x7c, 0x42, 0x42, 0x7c, 0x00, 0x00, 0x3c,
|
|
0x42, 0x40, 0x40, 0x42, 0x3c, 0x00, 0x00, 0x7c,
|
|
0x42, 0x42, 0x42, 0x42, 0x7c, 0x00, 0x00, 0x7e,
|
|
0x40, 0x78, 0x40, 0x40, 0x7e, 0x00, 0x00, 0x7e,
|
|
0x40, 0x78, 0x40, 0x40, 0x40, 0x00, 0x00,
|
|
};
|
|
|
|
|
|
static Uxn u;
|
|
static Ppu ppu;
|
|
static Device *devctrl, *devsystem, *devconsole, *devscreen;
|
|
unsigned int palette[3];
|
|
static Uint8 framebuffer[LCD_HEIGHT * LCD_WIDTH * 4];
|
|
static fb_data *lcd_fb = NULL;
|
|
|
|
static void
|
|
memzero8(void *src, uint64_t n)
|
|
{
|
|
uint8_t * ptr = src;
|
|
for (size_t i = 0; i < n; i++) {
|
|
ptr[i] = 0;
|
|
}
|
|
}
|
|
|
|
/* taken from uxncli */
|
|
static void
|
|
inspect(Stack *s, char *name)
|
|
{
|
|
Uint8 x, y;
|
|
DEBUGF("\n%s\n", name);
|
|
for(y = 0; y < 0x04; ++y) {
|
|
for(x = 0; x < 0x08; ++x) {
|
|
Uint8 p = y * 0x08 + x;
|
|
DEBUGF(p == s->ptr ? "[%02x]" : " %02x ",
|
|
s->dat[p]);
|
|
}
|
|
DEBUGF("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_palette(Uint8 *addr)
|
|
{
|
|
#if LCD_DEPTH > 4
|
|
int i;
|
|
for(i = 0; i < 4; ++i) {
|
|
Uint8
|
|
r = (*(addr + i / 2) >> (!(i % 2) << 2)) & 0x0f,
|
|
g = (*(addr + 2 + i / 2) >> (!(i % 2) << 2)) & 0x0f,
|
|
b = (*(addr + 4 + i / 2) >> (!(i % 2) << 2)) & 0x0f;
|
|
palette[i] = FB_RGBPACK(r*8,g*8,b*8);
|
|
}
|
|
#else
|
|
int i;
|
|
for(i = 0; i < 4; ++i) {
|
|
Uint8 sum = (*(addr + i / 2) >> (!(i % 2) << 2)) & 0x0f;
|
|
sum += (*(addr + 2 + i / 2) >> (!(i % 2) << 2)) & 0x0f;
|
|
sum += (*(addr + 4 + i / 2) >> (!(i % 2) << 2)) & 0x0f;
|
|
palette[i] = sum > 0x17;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* taken from uxncli */
|
|
static int
|
|
system_talk(Device *d, Uint8 b0, Uint8 w)
|
|
{
|
|
if(!w) { /* read */
|
|
switch(b0) {
|
|
case 0x2: d->dat[0x2] = d->u->wst.ptr; break;
|
|
case 0x3: d->dat[0x3] = d->u->rst.ptr; break;
|
|
}
|
|
} else { /* write */
|
|
switch(b0) {
|
|
case 0x2: d->u->wst.ptr = d->dat[0x2]; break;
|
|
case 0x3: d->u->rst.ptr = d->dat[0x3]; break;
|
|
case 0xe:
|
|
inspect(&d->u->wst, "Working-stack");
|
|
inspect(&d->u->rst, "Return-stack");
|
|
break;
|
|
case 0xf: return 0;
|
|
}
|
|
if(b0 > 0x7 && b0 < 0xe)
|
|
set_palette(&d->dat[0x8]);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* taken from uxncli */
|
|
static int
|
|
console_talk(Device *d, Uint8 b0, Uint8 w)
|
|
{
|
|
if(b0 == 0x1)
|
|
d->vector = peek16(d->dat, 0x0);
|
|
if(w && b0 > 0x7)
|
|
DEBUGF("%c",(char *)&d->dat[b0]);
|
|
return 1;
|
|
}
|
|
|
|
/* taken from uxnemu */
|
|
static int
|
|
screen_talk(Device *d, Uint8 b0, Uint8 w)
|
|
{
|
|
if(!w) switch(b0) {
|
|
case 0x2: d->dat[0x2] = ppu.width >> 8; break;
|
|
case 0x3: d->dat[0x3] = ppu.width; break;
|
|
case 0x4: d->dat[0x4] = ppu.height >> 8; break;
|
|
case 0x5: d->dat[0x5] = ppu.height; break;
|
|
}
|
|
else
|
|
switch(b0) {
|
|
case 0x1: d->vector = peek16(d->dat, 0x0); break;
|
|
case 0x5:
|
|
break;
|
|
case 0xe: {
|
|
Uint16 x = peek16(d->dat, 0x8);
|
|
Uint16 y = peek16(d->dat, 0xa);
|
|
Uint8 layer = d->dat[0xe] & 0x40;
|
|
ppu_write(&ppu, !!layer, x, y, d->dat[0xe] & 0x3);
|
|
if(d->dat[0x6] & 0x01) poke16(d->dat, 0x8, x + 1); /* auto x+1 */
|
|
if(d->dat[0x6] & 0x02) poke16(d->dat, 0xa, y + 1); /* auto y+1 */
|
|
break;
|
|
}
|
|
case 0xf: {
|
|
Uint16 x = peek16(d->dat, 0x8);
|
|
Uint16 y = peek16(d->dat, 0xa);
|
|
Uint8 layer = d->dat[0xf] & 0x40;
|
|
Uint8 *addr = &d->mem[peek16(d->dat, 0xc)];
|
|
if(d->dat[0xf] & 0x80) {
|
|
ppu_2bpp(&ppu, !!layer, x, y, addr, d->dat[0xf] & 0xf, d->dat[0xf] & 0x10, d->dat[0xf] & 0x20);
|
|
if(d->dat[0x6] & 0x04) poke16(d->dat, 0xc, peek16(d->dat, 0xc) + 16); /* auto addr+16 */
|
|
} else {
|
|
ppu_1bpp(&ppu, !!layer, x, y, addr, d->dat[0xf] & 0xf, d->dat[0xf] & 0x10, d->dat[0xf] & 0x20);
|
|
if(d->dat[0x6] & 0x04) poke16(d->dat, 0xc, peek16(d->dat, 0xc) + 8); /* auto addr+8 */
|
|
}
|
|
if(d->dat[0x6] & 0x01) poke16(d->dat, 0x8, x + 8); /* auto x+8 */
|
|
if(d->dat[0x6] & 0x02) poke16(d->dat, 0xa, y + 8); /* auto y+8 */
|
|
break;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
nil_talk(Device *d, Uint8 b0, Uint8 w)
|
|
{
|
|
(void)d;
|
|
(void)b0;
|
|
(void)w;
|
|
return 1;
|
|
}
|
|
|
|
// TODO mono, greyscale
|
|
static void redraw(void)
|
|
{
|
|
if (!lcd_fb)
|
|
{
|
|
struct viewport *vp_main = rb->lcd_set_viewport(NULL);
|
|
lcd_fb = vp_main->buffer->fb_ptr;
|
|
}
|
|
for(int y = 0 ; y < LCD_WIDTH*LCD_HEIGHT; y++ ) {
|
|
lcd_fb[y] = palette[ppu_read(&ppu, y%LCD_WIDTH, y/LCD_HEIGHT)];
|
|
}
|
|
rb->lcd_update();
|
|
ppu.reqdraw = 0;
|
|
|
|
}
|
|
|
|
int
|
|
uxn_halt(Uxn *u, Uint8 error, char *name, int id)
|
|
{
|
|
rb->splash(HZ, "Halted\n");
|
|
return 0;
|
|
}
|
|
|
|
// TODO fix timing
|
|
static void run() {
|
|
while(!devsystem->dat[0xf]) {
|
|
uxn_eval(&u, devscreen->vector);
|
|
if(ppu.reqdraw || devsystem->dat[0xe])
|
|
redraw();
|
|
int b = rb->button_get(false);
|
|
if(b != BUTTON_NONE) {
|
|
// TODO allow scrolls (that don't have a button release) to be mapped as buttons
|
|
if(b == VARVARA_MENU)
|
|
return;
|
|
if(b == VARVARA_A)
|
|
devctrl->dat[2] += 0x01;
|
|
if(b == (VARVARA_A | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x01;
|
|
if(b == VARVARA_B)
|
|
devctrl->dat[2] += 0x02;
|
|
if(b == (VARVARA_B | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x02;
|
|
if(b == VARVARA_START)
|
|
devctrl->dat[2] += 0x04;
|
|
if(b == (VARVARA_START | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x04;
|
|
if(b == VARVARA_SELECT)
|
|
devctrl->dat[2] += 0x08;
|
|
if(b == (VARVARA_SELECT | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x08;
|
|
if(b == VARVARA_UP)
|
|
devctrl->dat[2] += 0x10;
|
|
if(b == (VARVARA_UP | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x10;
|
|
if(b == VARVARA_DOWN)
|
|
devctrl->dat[2] += 0x20;
|
|
if(b == (VARVARA_DOWN | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x20;
|
|
if(b == VARVARA_LEFT)
|
|
devctrl->dat[2] += 0x40;
|
|
if(b == (VARVARA_LEFT | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x40;
|
|
if(b == VARVARA_RIGHT)
|
|
devctrl->dat[2] += 0x80;
|
|
if(b == (VARVARA_RIGHT | BUTTON_REL))
|
|
devctrl->dat[2] -= 0x80;
|
|
|
|
|
|
uxn_eval(&u, peek16(devctrl->dat, 0));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* this is the plugin entry point */
|
|
|
|
enum plugin_status plugin_start(const void* parameter)
|
|
{
|
|
|
|
(void)parameter;
|
|
|
|
DEBUGF("Setting PPU size\n");
|
|
ppu_init(&ppu, LCD_WIDTH, LCD_HEIGHT, framebuffer);
|
|
DEBUGF("UXN init\n");
|
|
// Clear RAM and copy rom to VM.
|
|
DEBUGF("zeroing\n");
|
|
memzero8(&u, sizeof(Uxn));
|
|
DEBUGF("copying ROM\n");
|
|
memcpy(u.ram.dat + PAGE_PROGRAM, uxn_rom, sizeof(uxn_rom));
|
|
DEBUGF("registering ports\n");
|
|
// Register ports
|
|
/* system */ devsystem = uxn_port(&u, 0x0, system_talk);
|
|
/* console */ devconsole = uxn_port(&u, 0x1, console_talk);
|
|
/* screen */ devscreen = uxn_port(&u, 0x2, screen_talk);
|
|
/* audio0 */ uxn_port(&u, 0x3, nil_talk);
|
|
/* audio1 */ uxn_port(&u, 0x4, nil_talk);
|
|
/* audio2 */ uxn_port(&u, 0x5, nil_talk);
|
|
/* audio3 */ uxn_port(&u, 0x6, nil_talk);
|
|
/* empty */ uxn_port(&u, 0x7, nil_talk);
|
|
/* control */ devctrl = uxn_port(&u, 0x8, nil_talk);
|
|
/* mouse */ uxn_port(&u, 0x9, nil_talk);
|
|
/* file */ uxn_port(&u, 0xa, nil_talk);
|
|
/* datetime */ uxn_port(&u, 0xb, nil_talk);
|
|
/* empty */ uxn_port(&u, 0xc, nil_talk);
|
|
/* empty */ uxn_port(&u, 0xd, nil_talk);
|
|
/* empty */ uxn_port(&u, 0xe, nil_talk);
|
|
/* empty */ uxn_port(&u, 0xf, nil_talk);
|
|
DEBUGF("eval\n");
|
|
uxn_eval(&u, 0x0100);
|
|
run();
|
|
return PLUGIN_OK;
|
|
|
|
}
|