add screen vector and first test program
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ab47d5974a
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e051ac2c48
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@ -0,0 +1,69 @@
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( dev/screen )
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%RTN { JMP2r }
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%2/ { #01 SFT }
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%4/ { #02 SFT }
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( devices )
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|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &debug $1 &halt $1 ]
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|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ]
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( variables )
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|0000
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@count $2
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@center
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&x $2 &y $2
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( init )
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|0100 ( -> )
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( vector )
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;on-frame .Screen/vector DEO2
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( theme )
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#0f7f .System/r DEO2
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#0fe0 .System/g DEO2
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#0fc0 .System/b DEO2
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BRK
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@on-frame ( -> )
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.count LDZ2 INC2 [ DUP2 ] .count STZ2
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#0000 .Screen/x DEO2
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#0000 .Screen/y DEO2
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( color ) #01 STH
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SWP
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DUP #04 SFT [ #00 SWP ] #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
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( draw ) STHkr .Screen/sprite DEO
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#0f AND [ #00 SWP ] #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
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.Screen/x DEI2 #0008 ADD2 .Screen/x DEO2
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( draw ) STHkr .Screen/sprite DEO
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DUP #04 SFT [ #00 SWP ] #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
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.Screen/x DEI2 #0008 ADD2 .Screen/x DEO2
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( draw ) STHkr .Screen/sprite DEO
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#0f AND [ #00 SWP ] #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2
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.Screen/x DEI2 #0008 ADD2 .Screen/x DEO2
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( draw ) STHr .Screen/sprite DEO
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BRK
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@preview_icn
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0f38 675f dfbf bfbf 0007 1820 2344 4848
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@font-hex
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007c 8282 8282 827c 0030 1010 1010 1010
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007c 8202 7c80 80fe 007c 8202 1c02 827c
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000c 1424 4484 fe04 00fe 8080 7c02 827c
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007c 8280 fc82 827c 007c 8202 1e02 0202
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007c 8282 7c82 827c 007c 8282 7e02 827c
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007c 8202 7e82 827e 00fc 8282 fc82 82fc
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007c 8280 8080 827c 00fc 8282 8282 82fc
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007c 8280 f080 827c 007c 8280 f080 8080
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@ -1,6 +1,7 @@
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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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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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@ -9,7 +10,8 @@ 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, support for greyscale displays
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TODO de-janking display code, support for greyscale displays
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TODO rom loading
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TODO other varvara devices
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TODO hardware builds
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TODO clean up
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@ -25,14 +27,14 @@ TODO clean up
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const uint8_t hwrom[] = { /* hello world ROM */
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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_t uxn_rom[] = { /* screen test ROM */
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const Uint8 screenrom[] = { /* 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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@ -134,12 +136,54 @@ const uint8_t uxn_rom[] = { /* screen test ROM */
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0x80, 0x80,
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};
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const Uint8 uxn_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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static Uxn u;
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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 uint8_t framebuffer[LCD_HEIGHT * LCD_WIDTH * 4];
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static Uint8 framebuffer[LCD_HEIGHT * LCD_WIDTH * 4];
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static void
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memzero8(void *src, uint64_t n)
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@ -303,10 +347,24 @@ static void redraw(void)
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int
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uxn_halt(Uxn *u, Uint8 error, char *name, int id)
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{
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DEBUGF("Halted");
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rb->splash(HZ, "Halted\n");
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return 0;
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}
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static void run() {
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while(!devsystem->dat[0xf]) {
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uxn_eval(&u, devscreen->vector);
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if(ppu.reqdraw || devsystem->dat[0xe])
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redraw();
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switch(rb->button_get(false)) {
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case BUTTON_NONE: break;
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default:
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return;
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}
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rb->sleep(HZ/60);
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}
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}
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/* this is the plugin entry point */
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enum plugin_status plugin_start(const void* parameter)
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@ -342,9 +400,7 @@ enum plugin_status plugin_start(const void* parameter)
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/* empty */ uxn_port(&u, 0xf, nil_talk);
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DEBUGF("eval\n");
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uxn_eval(&u, 0x0100);
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redraw();
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rb->button_get(true);
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run();
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return PLUGIN_OK;
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}
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