it's broken but I'm trying
This commit is contained in:
parent
4c679e8ac5
commit
73688d2e96
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@ -1,4 +1,5 @@
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#include "ppu.h"
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#include "ppu.h"
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#include <stdlib.h>
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/*
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/*
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Copyright (c) 2021 Devine Lu Linvega
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Copyright (c) 2021 Devine Lu Linvega
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@ -1,4 +1,19 @@
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/* Varvara plugin for rockbox. I have no idea what I'm doing. */
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/* Varvara plugin for rockbox. I have no idea what I'm doing.
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Functions taken from uxnemu.c and uxncli.c are copyright (c) 2021 Devine Lu Linvega.
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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 screen vector, de-janking display code
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TODO other devices
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TODO hardware builds, support for hardware other than simulated e200
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TODO clean up
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*/
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#include "uxn.h"
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#include "uxn.h"
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#include "devices/ppu.h"
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#include "devices/ppu.h"
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@ -8,15 +23,122 @@
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#include <time.h>
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#include <time.h>
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const uint8_t uxn_rom[] = { /* hello world ROM */
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const uint8_t hwrom[] = { /* hello world ROM */
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0x20, 0x01, 0x0e, 0x94, 0x80, 0x18, 0x17, 0x21,
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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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0x94, 0x80, 0xf7, 0x0d, 0x22, 0x00, 0x48, 0x65,
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0x6c, 0x6c, 0x6f, 0x20, 0x55, 0x78, 0x6e, 0x21,
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0x6c, 0x6c, 0x6f, 0x20, 0x55, 0x78, 0x6e, 0x21,
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0x21,
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0x21,
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};
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};
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const uint8_t 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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static Uxn u;
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static Uxn u;
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static Device *devsystem, *devconsole;
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static Ppu ppu;
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static Device *devsystem, *devconsole, *devscreen;
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unsigned int palette[3];
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static void
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static void
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memzero8(void *src, uint64_t n)
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memzero8(void *src, uint64_t n)
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@ -43,6 +165,22 @@ inspect(Stack *s, char *name)
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}
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}
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}
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}
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// TODO implement
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static void
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set_palette(Uint8 *addr)
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{
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#if LCD_DEPTH > 1
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int i;
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for(i = 0; i < 4; ++i) {
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Uint8
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r = (*(addr + i / 2) >> (!(i % 2) << 2)) & 0x0f,
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g = (*(addr + 2 + i / 2) >> (!(i % 2) << 2)) & 0x0f,
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b = (*(addr + 4 + i / 2) >> (!(i % 2) << 2)) & 0x0f;
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palette[i] = LCD_RGBPACK(r*8,g*8,b*8);
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}
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#endif
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}
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/* taken from uxncli */
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/* taken from uxncli */
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static int
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static int
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system_talk(Device *d, Uint8 b0, Uint8 w)
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system_talk(Device *d, Uint8 b0, Uint8 w)
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@ -62,6 +200,8 @@ system_talk(Device *d, Uint8 b0, Uint8 w)
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break;
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break;
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case 0xf: return 0;
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case 0xf: return 0;
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}
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}
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if(b0 > 0x7 && b0 < 0xe)
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set_palette(&d->dat[0x8]);
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}
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}
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return 1;
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return 1;
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}
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}
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@ -77,6 +217,50 @@ console_talk(Device *d, Uint8 b0, Uint8 w)
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return 1;
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return 1;
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}
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}
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/* taken from uxnemu */
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static int
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screen_talk(Device *d, Uint8 b0, Uint8 w)
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{
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if(!w) switch(b0) {
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case 0x2: d->dat[0x2] = ppu.width >> 8; break;
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case 0x3: d->dat[0x3] = ppu.width; break;
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case 0x4: d->dat[0x4] = ppu.height >> 8; break;
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case 0x5: d->dat[0x5] = ppu.height; break;
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}
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else
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switch(b0) {
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case 0x1: d->vector = peek16(d->dat, 0x0); break;
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case 0x5:
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break;
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case 0xe: {
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Uint16 x = peek16(d->dat, 0x8);
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Uint16 y = peek16(d->dat, 0xa);
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Uint8 layer = d->dat[0xe] & 0x40;
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ppu_write(&ppu, !!layer, x, y, d->dat[0xe] & 0x3);
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if(d->dat[0x6] & 0x01) poke16(d->dat, 0x8, x + 1); /* auto x+1 */
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if(d->dat[0x6] & 0x02) poke16(d->dat, 0xa, y + 1); /* auto y+1 */
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break;
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}
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case 0xf: {
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Uint16 x = peek16(d->dat, 0x8);
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Uint16 y = peek16(d->dat, 0xa);
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Uint8 layer = d->dat[0xf] & 0x40;
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Uint8 *addr = &d->mem[peek16(d->dat, 0xc)];
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if(d->dat[0xf] & 0x80) {
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ppu_2bpp(&ppu, !!layer, x, y, addr, d->dat[0xf] & 0xf, d->dat[0xf] & 0x10, d->dat[0xf] & 0x20);
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if(d->dat[0x6] & 0x04) poke16(d->dat, 0xc, peek16(d->dat, 0xc) + 16); /* auto addr+16 */
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} else {
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ppu_1bpp(&ppu, !!layer, x, y, addr, d->dat[0xf] & 0xf, d->dat[0xf] & 0x10, d->dat[0xf] & 0x20);
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if(d->dat[0x6] & 0x04) poke16(d->dat, 0xc, peek16(d->dat, 0xc) + 8); /* auto addr+8 */
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}
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if(d->dat[0x6] & 0x01) poke16(d->dat, 0x8, x + 8); /* auto x+8 */
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if(d->dat[0x6] & 0x02) poke16(d->dat, 0xa, y + 8); /* auto y+8 */
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break;
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}
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}
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return 1;
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}
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static int
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static int
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nil_talk(Device *d, Uint8 b0, Uint8 w)
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nil_talk(Device *d, Uint8 b0, Uint8 w)
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{
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{
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@ -86,6 +270,23 @@ nil_talk(Device *d, Uint8 b0, Uint8 w)
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return 1;
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return 1;
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}
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}
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||||||
|
// TODO store palette in a non-guesswork format, optimise, make build on non-color devices
|
||||||
|
static int redraw(Uxn *u)
|
||||||
|
{
|
||||||
|
Uint16 x, y;
|
||||||
|
for(y = 0; y < ppu.height; ++y)
|
||||||
|
for(x = 0; x < ppu.width; ++x) {
|
||||||
|
#if LCD_DEPTH > 1
|
||||||
|
rb->lcd_set_foreground(palette[ppu_read(&ppu, x, y)]);
|
||||||
|
#endif
|
||||||
|
rb->lcd_drawpixel(x, y);
|
||||||
|
|
||||||
|
}
|
||||||
|
rb->lcd_update();
|
||||||
|
ppu.reqdraw = 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
int
|
int
|
||||||
uxn_halt(Uxn *u, Uint8 error, char *name, int id)
|
uxn_halt(Uxn *u, Uint8 error, char *name, int id)
|
||||||
{
|
{
|
||||||
|
@ -94,15 +295,14 @@ uxn_halt(Uxn *u, Uint8 error, char *name, int id)
|
||||||
}
|
}
|
||||||
|
|
||||||
/* this is the plugin entry point */
|
/* this is the plugin entry point */
|
||||||
|
|
||||||
enum plugin_status plugin_start(const void* parameter)
|
enum plugin_status plugin_start(const void* parameter)
|
||||||
{
|
{
|
||||||
/* if you don't use the parameter, you can do like
|
|
||||||
this to avoid the compiler warning about it */
|
|
||||||
(void)parameter;
|
|
||||||
|
|
||||||
/* "rb->" marks a plugin api call. Rockbox offers many of its built-in
|
(void)parameter;
|
||||||
* functions to plugins */
|
|
||||||
/* now go ahead and have fun! */
|
DEBUGF("Setting PPU size\n");
|
||||||
|
ppu_set_size(&ppu, LCD_WIDTH, LCD_HEIGHT);
|
||||||
DEBUGF("UXN init\n");
|
DEBUGF("UXN init\n");
|
||||||
// Clear RAM and copy rom to VM.
|
// Clear RAM and copy rom to VM.
|
||||||
DEBUGF("zeroing\n");
|
DEBUGF("zeroing\n");
|
||||||
|
@ -113,7 +313,7 @@ enum plugin_status plugin_start(const void* parameter)
|
||||||
// Register ports
|
// Register ports
|
||||||
/* system */ devsystem = uxn_port(&u, 0x0, system_talk);
|
/* system */ devsystem = uxn_port(&u, 0x0, system_talk);
|
||||||
/* console */ devconsole = uxn_port(&u, 0x1, console_talk);
|
/* console */ devconsole = uxn_port(&u, 0x1, console_talk);
|
||||||
/* screen */ uxn_port(&u, 0x2, nil_talk);
|
/* screen */ devscreen = uxn_port(&u, 0x2, screen_talk);
|
||||||
/* audio0 */ uxn_port(&u, 0x3, nil_talk);
|
/* audio0 */ uxn_port(&u, 0x3, nil_talk);
|
||||||
/* audio1 */ uxn_port(&u, 0x4, nil_talk);
|
/* audio1 */ uxn_port(&u, 0x4, nil_talk);
|
||||||
/* audio2 */ uxn_port(&u, 0x5, nil_talk);
|
/* audio2 */ uxn_port(&u, 0x5, nil_talk);
|
||||||
|
@ -127,25 +327,9 @@ enum plugin_status plugin_start(const void* parameter)
|
||||||
/* empty */ uxn_port(&u, 0xd, nil_talk);
|
/* empty */ uxn_port(&u, 0xd, nil_talk);
|
||||||
/* empty */ uxn_port(&u, 0xe, nil_talk);
|
/* empty */ uxn_port(&u, 0xe, nil_talk);
|
||||||
/* empty */ uxn_port(&u, 0xf, nil_talk);
|
/* empty */ uxn_port(&u, 0xf, nil_talk);
|
||||||
|
|
||||||
// Boot
|
|
||||||
// if(!uxn_boot(&u))
|
|
||||||
// return -1;
|
|
||||||
// Run
|
|
||||||
DEBUGF("eval\n");
|
DEBUGF("eval\n");
|
||||||
uxn_eval(&u, 0x0100);
|
uxn_eval(&u, 0x0100);
|
||||||
|
redraw(&u);
|
||||||
rb->lcd_clear_display();
|
|
||||||
// 0x000f: blue, 0x00f0:
|
|
||||||
//rb->lcd_set_foreground(LCD_RGBPACK(0,0,255));
|
|
||||||
rb->lcd_fillrect(0,0,10,10);
|
|
||||||
//rb->lcd_set_foreground(0x00f0);
|
|
||||||
rb->lcd_fillrect(10,0,10,10);
|
|
||||||
//rb->lcd_set_foreground(0x0f00);
|
|
||||||
rb->lcd_fillrect(20,0,10,10);
|
|
||||||
//rb->lcd_set_foreground(0xf000);
|
|
||||||
rb->lcd_fillrect(30,0,10,10);
|
|
||||||
rb->lcd_update();
|
|
||||||
|
|
||||||
rb->button_get(true);
|
rb->button_get(true);
|
||||||
return PLUGIN_OK;
|
return PLUGIN_OK;
|
||||||
|
|
Loading…
Reference in New Issue