diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74f123a..3b45699 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,7 +26,7 @@ pico_generate_pio_header(${PROJECT_NAME}
         ${CMAKE_CURRENT_LIST_DIR}/video_dma.pio
 )
 
-target_sources(picopal PRIVATE main.c)
+target_sources(picopal PRIVATE main.c cvideo.c)
 
 
 pico_set_program_name(picopal "picopal")
@@ -44,6 +44,7 @@ target_link_libraries(picopal
         hardware_pio
         hardware_timer
         hardware_clocks
+        pico_multicore
         )
 
 pico_add_extra_outputs(picopal)
diff --git a/cvideo.c b/cvideo.c
new file mode 100644
index 0000000..a907009
--- /dev/null
+++ b/cvideo.c
@@ -0,0 +1,196 @@
+#include "cvideo.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "pico/stdlib.h"
+#include "hardware/clocks.h"
+#include "hardware/dma.h"
+#include "hardware/irq.h"
+#include "hardware/pio.h"
+
+#include "video_dma.pio.h"
+
+// ---------------------------
+// User-adjustable pins
+// ---------------------------
+#define VIDEO_PIO        pio0
+#define DATA_SM          0
+#define SYNC_SM          1
+
+#define DATA_PIN         2   // pixel / luma bit pin
+#define SYNC_PIN         3   // sync pin
+
+#define SYNC_INTERVAL_S  0.000002f   // 2 us per sync-SM instruction
+#define ACTIVE_VIDEO_S   0.000052f   // 52 us active video per line
+
+// Match the .pio program's published constant.
+// pioasm will emit CLOCKS_PER_BIT in the generated header.
+#ifndef CLOCKS_PER_BIT
+#define CLOCKS_PER_BIT 6
+#endif
+
+
+// Field/line tracking for line-based DMA.
+// This is intentionally kept in software to match the sync SM's 288 active
+// lines per field.
+static volatile bool even_field = true;
+static volatile uint line_in_field = 0;
+
+// DMA channel that feeds the PIO TX FIFO
+static int video_dma_chan;
+
+static video_framebuffer_ptr_t framebuffer;
+static volatile video_framebuffer_ptr_t pending_framebuffer;
+static void (*framebuffer_switched_cb)() = NULL;
+
+// ---------------------------
+// PIO init helpers
+// ---------------------------
+static void init_cvdata_program(PIO pio, uint sm, uint offset, float clkdiv, uint data_pin) {
+    pio_sm_config c = cvdata_program_get_default_config(offset);
+
+    sm_config_set_set_pins(&c, data_pin, 1);
+    sm_config_set_out_pins(&c, data_pin, 1);
+    sm_config_set_clkdiv(&c, clkdiv);
+
+    // Shift left, autopull every 32 bits.
+    // If the image is mirrored, change this to shift-right and/or change bit packing.
+    sm_config_set_out_shift(&c, false, true, 32);
+
+    pio_gpio_init(pio, data_pin);
+    pio_sm_set_consecutive_pindirs(pio, sm, data_pin, 1, true);
+
+    pio_sm_init(pio, sm, offset, &c);
+
+    // Preload X = VIDEO_WIDTH - 1
+    pio_sm_put_blocking(pio, sm, VIDEO_WIDTH - 1);
+    pio_sm_exec(pio, sm, pio_encode_pull(false, false));
+    pio_sm_exec(pio, sm, pio_encode_mov(pio_x, pio_osr));
+    pio_sm_exec(pio, sm, pio_encode_out(pio_null, 32));
+}
+
+static void init_cvsync_program(PIO pio, uint sm, uint offset, float clkdiv, uint sync_pin) {
+    pio_sm_config c = cvsync_program_get_default_config(offset);
+
+    sm_config_set_sideset_pins(&c, sync_pin);
+    sm_config_set_clkdiv(&c, clkdiv);
+
+    pio_gpio_init(pio, sync_pin);
+    pio_sm_set_consecutive_pindirs(pio, sm, sync_pin, 1, true);
+
+    pio_sm_init(pio, sm, offset, &c);
+
+    // Preload OSR = lines_per_field - 1
+    pio_sm_put_blocking(pio, sm, LINES_PER_FIELD - 1);
+    pio_sm_exec(pio, sm, pio_encode_pull(false, false));
+
+    // Start with Y = 0, meaning "even field" in this program.
+    pio_sm_exec(pio, sm, pio_encode_set(pio_y, 0));
+}
+
+// ---------------------------
+// DMA setup
+// ---------------------------
+static void init_video_dma(PIO pio, uint data_sm) {
+    video_dma_chan = dma_claim_unused_channel(true);
+
+    dma_channel_config cfg = dma_channel_get_default_config(video_dma_chan);
+    channel_config_set_transfer_data_size(&cfg, DMA_SIZE_32);
+    channel_config_set_read_increment(&cfg, true);
+    channel_config_set_write_increment(&cfg, false);
+
+    // Pace the DMA from the data SM TX FIFO DREQ
+    channel_config_set_dreq(&cfg, pio_get_dreq(pio, data_sm, true));
+
+    dma_channel_configure(
+        video_dma_chan,
+        &cfg,
+        &pio->txf[data_sm], // write address
+        NULL,               // read address set per line
+        0,                  // transfer count set per line
+        false               // don't start yet
+    );
+}
+
+// ---------------------------
+// Start DMA for one scanline
+// ---------------------------
+static inline void start_dma_for_current_line(void) {
+    if (line_in_field == 0 && even_field && pending_framebuffer) {
+        framebuffer = (video_framebuffer_ptr_t)pending_framebuffer;
+        pending_framebuffer = NULL;
+        if(framebuffer_switched_cb)
+            framebuffer_switched_cb();
+    }
+
+    uint src_line = even_field ? (line_in_field * 2u) : (line_in_field * 2u + 1u);
+
+    dma_channel_set_read_addr(video_dma_chan, framebuffer[src_line], false);
+    dma_channel_set_trans_count(video_dma_chan, WORDS_PER_LINE, true);
+
+    line_in_field++;
+    if (line_in_field >= LINES_PER_FIELD) {
+        line_in_field = 0;
+        even_field = !even_field;
+    }
+}
+
+// ---------------------------
+// PIO IRQ handler:
+// The sync SM pushes one token into its RX FIFO during each line's back porch.
+// As soon as the previous line DMA has finished, consume one token and arm the
+// next scanline so the data FIFO is primed before visible pixels start.
+// ---------------------------
+static void pio0_irq0_handler(void) {
+    if (!pio_sm_is_rx_fifo_empty(VIDEO_PIO, SYNC_SM) && !dma_channel_is_busy(video_dma_chan)) {
+        (void)pio_sm_get(VIDEO_PIO, SYNC_SM);
+        start_dma_for_current_line();
+    }
+}
+
+void video_init(video_framebuffer_t fb) {
+    if ((VIDEO_WIDTH % 32) != 0) {
+        panic("VIDEO_WIDTH must be a multiple of 32");
+    }
+
+    framebuffer = fb;
+    pending_framebuffer = NULL;
+
+    uint sync_offset = pio_add_program(VIDEO_PIO, &cvsync_program);
+    uint data_offset = pio_add_program(VIDEO_PIO, &cvdata_program);
+
+    // Same timing idea as the original repo:
+    // sync SM: 1 instruction every 2 us
+    // data SM: enough PIO cycles to emit VIDEO_WIDTH bits in 52 us
+    float sys_hz = (float)clock_get_hz(clk_sys);
+    float data_clkdiv = (sys_hz / ((float)VIDEO_WIDTH / ACTIVE_VIDEO_S)) / (float)CLOCKS_PER_BIT;
+    float sync_clkdiv = sys_hz * SYNC_INTERVAL_S;
+
+    init_cvdata_program(VIDEO_PIO, DATA_SM, data_offset, data_clkdiv, DATA_PIN);
+    init_cvsync_program(VIDEO_PIO, SYNC_SM, sync_offset, sync_clkdiv, SYNC_PIN);
+    init_video_dma(VIDEO_PIO, DATA_SM);
+
+    // Route sync-SM RX FIFO notifications to CPU IRQ 0.
+    pio_set_irq0_source_enabled(VIDEO_PIO, pis_sm1_rx_fifo_not_empty, true);
+    irq_set_exclusive_handler(PIO0_IRQ_0, pio0_irq0_handler);
+    irq_set_enabled(PIO0_IRQ_0, true);
+
+    // Start with the first line of the even field
+    even_field = true;
+    line_in_field = 0;
+
+    // Prime the FIFO so the very first active line does not depend on IRQ latency.
+    start_dma_for_current_line();
+
+    pio_sm_set_enabled(VIDEO_PIO, DATA_SM, true);
+    pio_sm_set_enabled(VIDEO_PIO, SYNC_SM, true);
+}
+
+void video_set_framebuffer(video_framebuffer_t fb) {
+    pending_framebuffer = fb;
+}
+
+void video_set_framebuffer_switched_cb(void (*cb)()){
+    framebuffer_switched_cb = cb;
+}
diff --git a/cvideo.h b/cvideo.h
new file mode 100644
index 0000000..4f719d0
--- /dev/null
+++ b/cvideo.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <stdint.h>
+
+// ---------------------------
+// Video format
+// ---------------------------
+#define VIDEO_WIDTH      768
+#define VIDEO_HEIGHT     576
+#define WORDS_PER_LINE   (VIDEO_WIDTH / 32)
+#define LINES_PER_FIELD  (VIDEO_HEIGHT / 2)
+
+typedef uint32_t video_framebuffer_t[VIDEO_HEIGHT][WORDS_PER_LINE];
+typedef uint32_t (*video_framebuffer_ptr_t)[WORDS_PER_LINE];
+
+void video_init(video_framebuffer_t fb);
+void video_set_framebuffer(video_framebuffer_t fb);
+void video_set_framebuffer_switched_cb(void (*cb)());
diff --git a/font.xbm b/font.xbm
new file mode 100644
index 0000000..03a731b
--- /dev/null
+++ b/font.xbm
@@ -0,0 +1,324 @@
+#define font_width 160
+#define font_height 192
+static char font_bits[] = {
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x3F, 0xF9, 
+  0xCC, 0xCF, 0xCF, 0x7C, 0xFC, 0xF3, 0x9F, 0x9F, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xCF, 0xFF, 0x3F, 0x3F, 0xF9, 0xCC, 0x03, 0x4F, 0x3E, 
+  0xF9, 0xF3, 0x8F, 0x1F, 0xFF, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xCF, 
+  0xFF, 0x3F, 0x3F, 0x79, 0x80, 0x03, 0x7F, 0x3E, 0xF9, 0xF3, 0xCF, 0x3F, 
+  0x9F, 0xE4, 0xF3, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xFF, 0x3F, 0xFF, 0xFF, 
+  0xCC, 0xCB, 0x3F, 0x7F, 0xFC, 0xFF, 0xE7, 0x7F, 0x3E, 0xF0, 0xF3, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xE7, 0xFF, 0x3F, 0xFF, 0xFF, 0xCC, 0x03, 0x3F, 0x3F, 
+  0xF4, 0xFF, 0xE7, 0x7F, 0x7E, 0xF8, 0xC0, 0xFF, 0x1F, 0xFE, 0xFF, 0xF3, 
+  0xFF, 0x3F, 0xFF, 0x7F, 0x80, 0x4F, 0x9F, 0x9F, 0xF9, 0xFF, 0xE7, 0x7F, 
+  0x3E, 0xF0, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xF3, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xCC, 0x03, 0x9F, 0x9C, 0xF1, 0xFF, 0xE7, 0x7F, 0x9E, 0xE4, 0xF3, 0xCF, 
+  0xFF, 0xFF, 0xFF, 0xF9, 0xFF, 0x3F, 0xFF, 0xFF, 0xCC, 0x03, 0xCF, 0x3C, 
+  0xE4, 0xFF, 0xCF, 0x3F, 0xFF, 0xFC, 0xF3, 0xCF, 0xFF, 0xFF, 0xFC, 0xF9, 
+  0xFF, 0x3F, 0xFF, 0xFF, 0xFF, 0xCF, 0xFF, 0xFF, 0xFF, 0xFF, 0x8F, 0x1F, 
+  0xFF, 0xFF, 0xFF, 0xC7, 0xFF, 0xFF, 0xFC, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x9F, 0x9F, 0xFF, 0xFF, 0xFF, 0xE7, 
+  0xFF, 0xFF, 0xFF, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x87, 0x3F, 0x7F, 0xF8, 
+  0xC0, 0x8F, 0x0F, 0x7C, 0x78, 0xC0, 0x87, 0x1F, 0xFE, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xE1, 0x3B, 0x1F, 0x3F, 0xF3, 0xCE, 0x87, 0xCF, 0x3F, 
+  0xFF, 0xCF, 0x3B, 0xEF, 0xFC, 0xFC, 0xF3, 0xFF, 0xFF, 0xFF, 0xFF, 0xCC, 
+  0x3B, 0x0F, 0xBF, 0xF3, 0xCF, 0x93, 0xCF, 0x3F, 0xFF, 0xC7, 0x3B, 0xEF, 
+  0xFC, 0xFC, 0xF3, 0x3F, 0xFF, 0x3F, 0xFF, 0xCE, 0x3B, 0x3F, 0xFF, 0xF3, 
+  0xE7, 0x99, 0x0F, 0x3E, 0xF8, 0xE7, 0x87, 0xEF, 0xFC, 0xFF, 0xFF, 0xCF, 
+  0x1F, 0xFE, 0xFC, 0xC7, 0x3B, 0x3F, 0xFF, 0xF9, 0xE7, 0x99, 0xFF, 0x3C, 
+  0xF7, 0xF3, 0x3B, 0x1F, 0xFC, 0xFF, 0xFF, 0xF3, 0xFF, 0xFF, 0xF3, 0xE3, 
+  0x3B, 0x3F, 0x7F, 0xFC, 0xCF, 0x01, 0xFF, 0x3C, 0xF7, 0xF3, 0x3B, 0xFF, 
+  0xFC, 0xFC, 0xF3, 0xF3, 0x1F, 0xFE, 0xF3, 0xF3, 0x3B, 0x3F, 0x3F, 0xFF, 
+  0xCE, 0x9F, 0xEF, 0x3C, 0xF7, 0xF9, 0x3B, 0xFF, 0xFC, 0xFC, 0xF3, 0xCF, 
+  0xFF, 0xFF, 0xFC, 0xFF, 0x87, 0x0F, 0x3C, 0xF0, 0xE1, 0x9F, 0x1F, 0x7E, 
+  0xF8, 0xF9, 0x87, 0x1F, 0xFE, 0xFF, 0xF1, 0x3F, 0xFF, 0x3F, 0xFF, 0xF3, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xF3, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x87, 0x3F, 0x3F, 0xF8, 
+  0xE1, 0x83, 0x0F, 0x3C, 0xF0, 0xE1, 0x33, 0x1F, 0x3E, 0xF0, 0xCC, 0xF3, 
+  0xE7, 0x39, 0xF3, 0xE1, 0x7B, 0x1F, 0x3E, 0xF3, 0xC0, 0x13, 0xCF, 0x3C, 
+  0xF3, 0xCC, 0x33, 0x3F, 0xFF, 0xF3, 0xE4, 0xF3, 0xC7, 0x38, 0xF3, 0xCC, 
+  0xCD, 0xCE, 0x3C, 0x73, 0xCE, 0x33, 0xCF, 0x3F, 0xFF, 0xCC, 0x33, 0x3F, 
+  0xFF, 0xF3, 0xE4, 0xF3, 0x07, 0x38, 0xF2, 0xCC, 0xB5, 0xCE, 0x3C, 0x78, 
+  0xFE, 0x33, 0x0F, 0x3E, 0xF8, 0xFC, 0x03, 0x3F, 0xFF, 0xF3, 0xF0, 0xF3, 
+  0x27, 0x39, 0xF0, 0xCC, 0xB5, 0x0E, 0x3C, 0x73, 0xFE, 0x33, 0xCF, 0x3F, 
+  0xFF, 0xC4, 0x33, 0x3F, 0xFF, 0xF3, 0xE4, 0xF3, 0xE7, 0x39, 0xF1, 0xCC, 
+  0x4D, 0xCF, 0x3C, 0x73, 0xCE, 0x33, 0xCF, 0x3F, 0xFF, 0xCC, 0x33, 0x3F, 
+  0x3F, 0xF3, 0xE4, 0xF3, 0xE7, 0x39, 0xF3, 0xCC, 0xFB, 0xCF, 0x3C, 0xF3, 
+  0xC0, 0x13, 0xCF, 0x3C, 0xFF, 0xCC, 0x33, 0x3F, 0x3F, 0xF3, 0xCC, 0xF3, 
+  0xE7, 0x39, 0xF3, 0xCC, 0x07, 0xCE, 0x3C, 0xF8, 0xE1, 0x83, 0x0F, 0x3C, 
+  0xFF, 0xE1, 0x33, 0x1F, 0x7E, 0xF8, 0xCC, 0x03, 0xE7, 0x39, 0xF3, 0xE1, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x83, 0x1F, 0x3E, 0xF8, 
+  0xE1, 0x03, 0xCF, 0x3C, 0x73, 0x9E, 0x39, 0xCF, 0x3C, 0xF0, 0xF1, 0xF3, 
+  0x1F, 0xFF, 0xFC, 0xFF, 0x33, 0xCF, 0x3C, 0xF3, 0xDC, 0xCF, 0xCF, 0x3C, 
+  0x73, 0x9E, 0x93, 0xCF, 0xFC, 0xF3, 0xF9, 0xF3, 0x3F, 0x7F, 0xF8, 0xFF, 
+  0x33, 0xCF, 0x3C, 0xF3, 0xFC, 0xCF, 0xCF, 0x3C, 0x73, 0x9E, 0x93, 0x1F, 
+  0xFE, 0xF9, 0xF9, 0xE7, 0x3F, 0x3F, 0xF3, 0xFF, 0x33, 0xCF, 0x3C, 0xF3, 
+  0xE1, 0xCF, 0xCF, 0x3C, 0x73, 0x92, 0xC7, 0x1F, 0xFE, 0xFC, 0xF9, 0xE7, 
+  0x3F, 0xFF, 0xFF, 0xFF, 0x83, 0xCF, 0x3C, 0xF8, 0xCF, 0xCF, 0xCF, 0x3C, 
+  0x73, 0x92, 0xC7, 0x3F, 0x7F, 0xFE, 0xF9, 0xCF, 0x3F, 0xFF, 0xFF, 0xFF, 
+  0xF3, 0xCF, 0x3C, 0xF9, 0xCF, 0xCF, 0xCF, 0x3C, 0x73, 0x80, 0x93, 0x3F, 
+  0x3F, 0xFF, 0xF9, 0xCF, 0x3F, 0xFF, 0xFF, 0xFF, 0xF3, 0xCF, 0x3C, 0xF3, 
+  0xCC, 0xCF, 0xCF, 0x7C, 0x78, 0x80, 0x93, 0x3F, 0x3F, 0xF0, 0xF9, 0x9F, 
+  0x3F, 0xFF, 0xFF, 0xFF, 0xF3, 0x1F, 0x3E, 0xF3, 0xE1, 0xCF, 0x1F, 0xFE, 
+  0xFC, 0xCC, 0x39, 0x3F, 0x3F, 0xF0, 0xF9, 0x9F, 0x3F, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0x7F, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xF9, 0x3F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF1, 0x3F, 
+  0x1F, 0xFF, 0xFF, 0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 
+  0xFF, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xFF, 0x3F, 0xFF, 
+  0xFF, 0x3F, 0xFF, 0xFF, 0xF8, 0xFF, 0xF3, 0x3F, 0xFF, 0xF9, 0xFC, 0xC7, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xCF, 0xFF, 0x3F, 0xFF, 0xFF, 0x3F, 0xFF, 0x7F, 
+  0xF8, 0xFF, 0xF3, 0xFF, 0xFF, 0xFF, 0xFC, 0xCF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0x9F, 0x0F, 0x3F, 0xFF, 0xE1, 0x3F, 0x1F, 0x7E, 0xFE, 0xC0, 0x83, 0x1F, 
+  0x7F, 0xF8, 0xCC, 0xCF, 0x07, 0x3C, 0xF8, 0xE1, 0xFF, 0x7F, 0x3E, 0xF8, 
+  0xCC, 0x07, 0xCF, 0x7C, 0x7E, 0xE6, 0x33, 0x3F, 0xFF, 0xF9, 0xE4, 0xCF, 
+  0x27, 0x39, 0xF3, 0xCC, 0xFF, 0x0F, 0x3E, 0xF3, 0xFC, 0x33, 0xCF, 0x3C, 
+  0x7C, 0xE6, 0x33, 0x3F, 0xFF, 0xF9, 0xF0, 0xCF, 0x27, 0x39, 0xF3, 0xCC, 
+  0xFF, 0x67, 0x3E, 0xF3, 0xFC, 0x33, 0x0F, 0x7C, 0xFE, 0xF0, 0x33, 0x3F, 
+  0xFF, 0xF9, 0xF0, 0xCF, 0x27, 0x39, 0xF3, 0xCC, 0xFF, 0x67, 0x3E, 0xF3, 
+  0xCC, 0x33, 0xCF, 0x7F, 0x7E, 0xFC, 0x33, 0x3F, 0xFF, 0xF9, 0xE4, 0xCF, 
+  0x27, 0x39, 0xF3, 0xCC, 0xFF, 0x8F, 0x3C, 0xF8, 0xE1, 0x07, 0x1F, 0x7E, 
+  0x7E, 0xF0, 0x33, 0x1F, 0xFE, 0xF9, 0xCC, 0x87, 0x27, 0x39, 0xF3, 0xE1, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xE6, 0xFF, 0xFF, 
+  0x7F, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0xFF, 0xFF, 0x7F, 0xFC, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xE7, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xCF, 
+  0x9F, 0xFF, 0x7F, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF3, 0xCF, 0x3F, 0xFF, 0x7F, 0x9E, 
+  0x83, 0x1F, 0x7C, 0xF8, 0xC1, 0xE7, 0xCF, 0x3C, 0x73, 0x9E, 0x39, 0xCF, 
+  0x3C, 0xF8, 0xF3, 0xCF, 0x3F, 0xFF, 0x7F, 0x9E, 0x33, 0xCF, 0x3C, 0xF6, 
+  0xFC, 0x87, 0xCF, 0x3C, 0x73, 0x9E, 0x93, 0xCF, 0xFC, 0xF9, 0xF3, 0xCF, 
+  0x3F, 0x3F, 0x66, 0x9E, 0x33, 0xCF, 0x3C, 0xFF, 0xE0, 0xE7, 0xCF, 0x3C, 
+  0x73, 0x92, 0xC7, 0xCF, 0xFC, 0xFC, 0xF9, 0xCF, 0x7F, 0x9E, 0x64, 0x9E, 
+  0x33, 0xCF, 0x3C, 0xFF, 0xC7, 0xE7, 0xCF, 0x3C, 0x73, 0x92, 0xC7, 0xCF, 
+  0x7C, 0xFE, 0xF9, 0xCF, 0x7F, 0x9E, 0x71, 0x9E, 0x33, 0xCF, 0x3C, 0xFF, 
+  0xC7, 0x87, 0xCF, 0x7C, 0x78, 0x80, 0x93, 0xCF, 0x3C, 0xFF, 0xF3, 0xCF, 
+  0x3F, 0xFF, 0x7F, 0x9E, 0x83, 0x1F, 0x3C, 0xFF, 0xE0, 0x8F, 0x1F, 0xFC, 
+  0xFC, 0xCC, 0x39, 0x1F, 0x3C, 0xF8, 0xF3, 0xCF, 0x3F, 0xFF, 0x7F, 0x9E, 
+  0xF3, 0xFF, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFC, 0xFF, 0xF3, 0xCF, 0x3F, 0xFF, 0x7F, 0x9E, 0xF3, 0xFF, 0xFC, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F, 0xFE, 0xFF, 0xE7, 0xCF, 
+  0x9F, 0xFF, 0x7F, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x3E, 0xFF, 0xFB, 
+  0xE3, 0xFF, 0xCF, 0xFC, 0xFC, 0xF3, 0x01, 0xFE, 0x1F, 0xE0, 0xFF, 0xFF, 
+  0x07, 0xF8, 0x7F, 0x80, 0x79, 0x3E, 0x7F, 0xF0, 0xC9, 0xFD, 0xCE, 0xFC, 
+  0xFC, 0xED, 0x79, 0x1E, 0x9E, 0xE7, 0xFF, 0xFF, 0xE7, 0x79, 0x78, 0x9E, 
+  0x79, 0xFE, 0x3F, 0xE0, 0xF9, 0x4B, 0x1F, 0xFE, 0xFC, 0xFD, 0x79, 0xEE, 
+  0x9D, 0xE7, 0x99, 0xFF, 0xE7, 0xB9, 0x77, 0x9E, 0x79, 0x3E, 0x9F, 0xE5, 
+  0xFB, 0xB7, 0x1F, 0xFE, 0xFC, 0xFB, 0x79, 0x36, 0x9B, 0xE7, 0xCC, 0xFF, 
+  0xE7, 0x59, 0x6C, 0x9E, 0x79, 0x3E, 0x9F, 0xFD, 0xE0, 0x7B, 0x3F, 0xFF, 
+  0xFF, 0xF5, 0x79, 0xD6, 0x9B, 0x67, 0xE6, 0x01, 0xE6, 0x59, 0x6B, 0x9E, 
+  0x79, 0x3E, 0x9F, 0xFE, 0xFB, 0x7B, 0x0F, 0xFC, 0xFF, 0xEB, 0x79, 0xD6, 
+  0x9B, 0x67, 0xE6, 0x7F, 0xE6, 0x59, 0x6C, 0x9E, 0x79, 0x3E, 0x9F, 0xE6, 
+  0xF8, 0xB7, 0x3F, 0xFF, 0xFC, 0xF7, 0x79, 0x36, 0x9B, 0xE7, 0xCC, 0x7F, 
+  0xE6, 0x59, 0x6B, 0x9E, 0x79, 0x3E, 0x3F, 0x60, 0xB9, 0x4B, 0x0F, 0xFC, 
+  0xFC, 0xEF, 0x79, 0xEE, 0x9D, 0xE7, 0x99, 0x7F, 0xE6, 0xB9, 0x77, 0x9E, 
+  0x79, 0x3E, 0x7F, 0xF0, 0xC4, 0xFD, 0x3E, 0xFF, 0xFC, 0xED, 0x79, 0x1E, 
+  0x9E, 0xE7, 0xFF, 0xFF, 0xE7, 0x79, 0x78, 0x9E, 0x01, 0xFE, 0x7F, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xF3, 0x01, 0xFE, 0x1F, 0xE0, 0xFF, 0xFF, 
+  0x07, 0xF8, 0x7F, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xCF, 0xFF, 0xFF, 0xFC, 
+  0xE3, 0x01, 0xFE, 0x7F, 0xE0, 0xFF, 0x01, 0x7E, 0x1F, 0xE0, 0xFF, 0xFB, 
+  0xEF, 0x1F, 0xFF, 0xF3, 0xB7, 0xFF, 0xFF, 0xFB, 0xEF, 0x79, 0xFE, 0x3F, 
+  0xF4, 0xFF, 0x79, 0x3E, 0x9F, 0xE7, 0xFF, 0xF9, 0xE6, 0x7B, 0xEF, 0xF3, 
+  0xB7, 0x3F, 0xFF, 0xFD, 0xF7, 0x79, 0xCE, 0x3C, 0xF4, 0xFF, 0x79, 0x7E, 
+  0x9F, 0x67, 0xE6, 0x7B, 0xEF, 0xBD, 0xF7, 0xFF, 0xCF, 0x3F, 0xFF, 0xFE, 
+  0xEF, 0x79, 0xCE, 0x7C, 0xF4, 0xFF, 0x79, 0x7E, 0x9F, 0xE7, 0xCC, 0xBB, 
+  0xEF, 0x7E, 0xFB, 0xF3, 0xFF, 0x0F, 0xFC, 0xF8, 0xF3, 0x79, 0xCE, 0xFC, 
+  0xF4, 0xF3, 0x79, 0x3E, 0x9E, 0xE7, 0x99, 0xD1, 0x47, 0x9F, 0xFD, 0xF1, 
+  0xFF, 0x0F, 0xFC, 0xFF, 0xFF, 0x79, 0xCE, 0xFC, 0xF4, 0xF3, 0x79, 0xFE, 
+  0x9F, 0xE7, 0x99, 0xAF, 0xBE, 0xFC, 0xEA, 0xF8, 0xFF, 0x3F, 0xFF, 0xFF, 
+  0xFF, 0x79, 0xCE, 0xFC, 0xF4, 0xFF, 0x79, 0xFE, 0x9F, 0xE7, 0xCC, 0xB7, 
+  0xDE, 0x7B, 0xEB, 0xDC, 0xFF, 0x3F, 0xFF, 0xFF, 0xFF, 0x79, 0x2E, 0xFA, 
+  0xF4, 0xFF, 0x79, 0xFE, 0x9F, 0x67, 0xE6, 0x3B, 0xEE, 0xBD, 0xE3, 0xCC, 
+  0xFF, 0x0F, 0xFC, 0xFF, 0xFF, 0x79, 0xEE, 0xFF, 0xFF, 0xFF, 0x79, 0xFE, 
+  0x9F, 0xE7, 0xFF, 0xFD, 0xF6, 0xDE, 0xEF, 0xE1, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0x01, 0xEE, 0xFF, 0xFF, 0xFF, 0x01, 0xFE, 0x1F, 0xE0, 0xFF, 0xFF, 
+  0xFE, 0xF8, 0xEF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0xE0, 0xFF, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xFF, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xDE, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xED, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xF3, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xF3, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xED, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xDE, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xFF, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0xE0, 0xFF, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0xE0, 0xFF, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xF3, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xF3, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xFF, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xC0, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xFF, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xF3, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0xE7, 0xF3, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0xE7, 0xFF, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0xE0, 0xFF, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 
+  0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 
+  0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 
+  0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 
+  0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x79, 0xE6, 
+  0x99, 0x67, 0x9E, 0x79, 0xE6, 0x99, 0x67, 0x9E, 0x01, 0x06, 0x18, 0x60, 
+  0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 0x06, 0x18, 0x60, 0x80, 0x01, 
+  0x06, 0x18, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
+  };
\ No newline at end of file
diff --git a/main.c b/main.c
index f5da604..25b6ed3 100644
--- a/main.c
+++ b/main.c
@@ -1,231 +1,116 @@
-// main.c
 #include <stdio.h>
 #include <string.h>
 
 #include "pico/stdlib.h"
-#include "hardware/clocks.h"
-#include "hardware/dma.h"
-#include "hardware/irq.h"
-#include "hardware/pio.h"
+#include "pico/multicore.h"
 
-#include "video_dma.pio.h"
+#include "cvideo.h"
 
-// ---------------------------
-// User-adjustable pins
-// ---------------------------
-#define VIDEO_PIO        pio0
-#define DATA_SM          0
-#define SYNC_SM          1
+#include "font.xbm"
 
-#define DATA_PIN         2   // pixel / luma bit pin
-#define SYNC_PIN         3   // sync pin
+static video_framebuffer_t fb0, fb1;
 
-// ---------------------------
-// Video format
-// ---------------------------
-#define VIDEO_WIDTH      768
-#define VIDEO_HEIGHT     576
-#define WORDS_PER_LINE   (VIDEO_WIDTH / 32)
-#define LINES_PER_FIELD  (VIDEO_HEIGHT / 2)
+#define START_X 35
+#define END_X (VIDEO_WIDTH-40)
+#define START_Y 20
+#define END_Y (VIDEO_HEIGHT-40)
 
-#define SYNC_INTERVAL_S  0.000002f   // 2 us per sync-SM instruction
-#define ACTIVE_VIDEO_S   0.000052f   // 52 us active video per line
+#define CHARS_PER_LINE 32
+#define CHAR_LINES 20
 
-// Match the .pio program's published constant.
-// pioasm will emit CLOCKS_PER_BIT in the generated header.
-#ifndef CLOCKS_PER_BIT
-#define CLOCKS_PER_BIT 6
-#endif
+static char text_mode_buffer[20][32];
 
-// ---------------------------
-// Framebuffer
-// One bit per pixel, 32 pixels per word
-// ---------------------------
-static uint32_t framebuffer[VIDEO_HEIGHT][WORDS_PER_LINE];
+static void clear(video_framebuffer_t fb){
+    memset(fb, 0, sizeof(video_framebuffer_t));
+}
 
-// Field/line tracking for line-based DMA.
-// This is intentionally kept in software to match the sync SM's 288 active
-// lines per field.
-static volatile bool even_field = true;
-static volatile uint line_in_field = 0;
+static void set_bit(video_framebuffer_t fb, uint x, uint y, bool value) {
+    if(x>=VIDEO_WIDTH || y>=VIDEO_HEIGHT)
+        return;
+    uint index_x = x / 32;
+    uint pos_x = x % 32;
 
-// DMA channel that feeds the PIO TX FIFO
-static int video_dma_chan;
+    uint flag = value << (31-pos_x);
+    if(value)
+        fb[y][index_x] |= flag;
+    else
+        fb[y][index_x] &= ~flag;
+}
 
-// ---------------------------
-// Optional test pattern
-// Replace this with your own drawing code.
-// ---------------------------
-#define BORDER 40
-static void fill_test_pattern(void) {
-    memset(framebuffer, 0x00, sizeof(framebuffer));
+#define CHAR_WIDTH font_width / 16
+#define CHAR_HEIGHT font_height / 16
 
-    for (uint y = 0; y < VIDEO_HEIGHT; ++y) {
-        for (uint x = 0; x < VIDEO_WIDTH; ++x) {
-            bool on = false;
+void draw_character(video_framebuffer_t fb, unsigned int x, unsigned int y, unsigned int scale, char character) {
+    uint8_t row = character / 16;
+    uint8_t column = character % 16;
+    uint32_t font_x = column * 10;
+    uint32_t font_y = row * 12;
 
-            // Simple visible pattern:
-            // border + checker
-            if (x < BORDER || x >= VIDEO_WIDTH - BORDER || y < BORDER || y >= VIDEO_HEIGHT - BORDER) {
-                on = true;
-            } else if (((x >> 4) ^ (y >> 4)) & 1) {
-                on = true;
+    for (int j = font_y; j < font_y + CHAR_HEIGHT; j++) {
+        for  (int i = font_x; i <  font_x + CHAR_WIDTH; i++) {
+            // XBM images pad rows with zeros
+            uint32_t array_position;
+            if (font_width %8 != 0) {
+                array_position = (j * (font_width + (8 - font_width % 8))) + i;
             }
+            else {
+                array_position = (j * font_width) + i;
+            }
+            uint32_t array_index = array_position / 8;
+            // XBM image, low bits are first
+            uint32_t byte_position = array_position % 8;
 
-            if (on) {
-                uint word = x >> 5;
-                uint bit  = 31 - (x & 31);   // MSB-first
-                framebuffer[y][word] |= (1u << bit);
+            uint8_t value = font_bits[array_index] >> byte_position & 1 ;
+
+            for (int sx = 0; sx < scale; sx++) {
+                for (int sy = 0; sy < scale; sy++) {
+                    set_bit(fb, x + ((i - font_x) * scale) + sx, y + ((j- font_y) * scale) + sy, !value);
+                }
             }
         }
     }
 }
 
-// ---------------------------
-// PIO init helpers
-// ---------------------------
-static void init_cvdata_program(PIO pio, uint sm, uint offset, float clkdiv, uint data_pin) {
-    pio_sm_config c = cvdata_program_get_default_config(offset);
-
-    sm_config_set_set_pins(&c, data_pin, 1);
-    sm_config_set_out_pins(&c, data_pin, 1);
-    sm_config_set_clkdiv(&c, clkdiv);
-
-    // Shift left, autopull every 32 bits.
-    // If the image is mirrored, change this to shift-right and/or change bit packing.
-    sm_config_set_out_shift(&c, false, true, 32);
-
-    pio_gpio_init(pio, data_pin);
-    pio_sm_set_consecutive_pindirs(pio, sm, data_pin, 1, true);
-
-    pio_sm_init(pio, sm, offset, &c);
-
-    // Preload X = VIDEO_WIDTH - 1
-    pio_sm_put_blocking(pio, sm, VIDEO_WIDTH - 1);
-    pio_sm_exec(pio, sm, pio_encode_pull(false, false));
-    pio_sm_exec(pio, sm, pio_encode_mov(pio_x, pio_osr));
-    pio_sm_exec(pio, sm, pio_encode_out(pio_null, 32));
-}
-
-static void init_cvsync_program(PIO pio, uint sm, uint offset, float clkdiv, uint sync_pin) {
-    pio_sm_config c = cvsync_program_get_default_config(offset);
-
-    sm_config_set_sideset_pins(&c, sync_pin);
-    sm_config_set_clkdiv(&c, clkdiv);
-
-    pio_gpio_init(pio, sync_pin);
-    pio_sm_set_consecutive_pindirs(pio, sm, sync_pin, 1, true);
-
-    pio_sm_init(pio, sm, offset, &c);
-
-    // Preload OSR = lines_per_field - 1
-    pio_sm_put_blocking(pio, sm, LINES_PER_FIELD - 1);
-    pio_sm_exec(pio, sm, pio_encode_pull(false, false));
-
-    // Start with Y = 0, meaning "even field" in this program.
-    pio_sm_exec(pio, sm, pio_encode_set(pio_y, 0));
-}
-
-// ---------------------------
-// DMA setup
-// ---------------------------
-static void init_video_dma(PIO pio, uint data_sm) {
-    video_dma_chan = dma_claim_unused_channel(true);
-
-    dma_channel_config cfg = dma_channel_get_default_config(video_dma_chan);
-    channel_config_set_transfer_data_size(&cfg, DMA_SIZE_32);
-    channel_config_set_read_increment(&cfg, true);
-    channel_config_set_write_increment(&cfg, false);
-
-    // Pace the DMA from the data SM TX FIFO DREQ
-    channel_config_set_dreq(&cfg, pio_get_dreq(pio, data_sm, true));
-
-    dma_channel_configure(
-        video_dma_chan,
-        &cfg,
-        &pio->txf[data_sm], // write address
-        NULL,               // read address set per line
-        0,                  // transfer count set per line
-        false               // don't start yet
-    );
-}
-
-// ---------------------------
-// Start DMA for one scanline
-// ---------------------------
-static inline void start_dma_for_current_line(void) {
-    uint src_line = even_field ? (line_in_field * 2u) : (line_in_field * 2u + 1u);
-
-    dma_channel_set_read_addr(video_dma_chan, framebuffer[src_line], false);
-    dma_channel_set_trans_count(video_dma_chan, WORDS_PER_LINE, true);
-
-    line_in_field++;
-    if (line_in_field >= LINES_PER_FIELD) {
-        line_in_field = 0;
-        even_field = !even_field;
-    }
-}
-
-// ---------------------------
-// PIO IRQ handler:
-// The sync SM pushes one token into its RX FIFO during each line's back porch.
-// As soon as the previous line DMA has finished, consume one token and arm the
-// next scanline so the data FIFO is primed before visible pixels start.
-// ---------------------------
-static void pio0_irq0_handler(void) {
-    if (!pio_sm_is_rx_fifo_empty(VIDEO_PIO, SYNC_SM) && !dma_channel_is_busy(video_dma_chan)) {
-        (void)pio_sm_get(VIDEO_PIO, SYNC_SM);
-        start_dma_for_current_line();
-    }
-}
-
-// ---------------------------
-// Video start
-// ---------------------------
-static void video_init(void) {
-    if ((VIDEO_WIDTH % 32) != 0) {
-        panic("VIDEO_WIDTH must be a multiple of 32");
-    }
-
-    uint sync_offset = pio_add_program(VIDEO_PIO, &cvsync_program);
-    uint data_offset = pio_add_program(VIDEO_PIO, &cvdata_program);
-
-    // Same timing idea as the original repo:
-    // sync SM: 1 instruction every 2 us
-    // data SM: enough PIO cycles to emit VIDEO_WIDTH bits in 52 us
-    float sys_hz = (float)clock_get_hz(clk_sys);
-    float data_clkdiv = (sys_hz / ((float)VIDEO_WIDTH / ACTIVE_VIDEO_S)) / (float)CLOCKS_PER_BIT;
-    float sync_clkdiv = sys_hz * SYNC_INTERVAL_S;
-
-    init_cvdata_program(VIDEO_PIO, DATA_SM, data_offset, data_clkdiv, DATA_PIN);
-    init_cvsync_program(VIDEO_PIO, SYNC_SM, sync_offset, sync_clkdiv, SYNC_PIN);
-    init_video_dma(VIDEO_PIO, DATA_SM);
-
-    // Route sync-SM RX FIFO notifications to CPU IRQ 0.
-    pio_set_irq0_source_enabled(VIDEO_PIO, pis_sm1_rx_fifo_not_empty, true);
-    irq_set_exclusive_handler(PIO0_IRQ_0, pio0_irq0_handler);
-    irq_set_enabled(PIO0_IRQ_0, true);
-
-    // Start with the first line of the even field
-    even_field = true;
-    line_in_field = 0;
-
-    // Prime the FIFO so the very first active line does not depend on IRQ latency.
-    start_dma_for_current_line();
-
-    pio_sm_set_enabled(VIDEO_PIO, DATA_SM, true);
-    pio_sm_set_enabled(VIDEO_PIO, SYNC_SM, true);
-}
-
-int main(void) {
-    stdio_init_all();
-
-    fill_test_pattern();   // Replace with your own framebuffer writer
-    video_init();
-
+void core1_entry() {
+    gpio_init(25);
+    gpio_set_dir(25, GPIO_OUT);
     while (true) {
-        // Your application code goes here.
-        // Some other code can freely draw into framebuffer[].
+        gpio_put(25, 1);
+        sleep_ms(500);
+        gpio_put(25, 0);
+        sleep_ms(500);
+    }
+}
+
+
+void framebuffer_switched_cb(){
+}
+
+void main() {
+    stdio_init_all();
+    multicore_launch_core1(core1_entry);
+
+    clear(fb0);
+    clear(fb1);
+    video_init(fb0);
+    video_set_framebuffer_switched_cb(framebuffer_switched_cb);
+
+    int fbnum = 1;
+    video_framebuffer_ptr_t fbs[] = {fb0, fb1};
+    int i = 0;
+    while (true) {
+        clear(fbs[fbnum]);
+        for(int y=0; y<20; y++){
+            for(int x=0; x<32; x++){
+                draw_character(fbs[fbnum], START_X+x*(CHAR_WIDTH+1)*2, START_Y+y*(CHAR_HEIGHT+1)*2, 2, '0'+(i+x+y)%10);
+            }
+        }
+
+        video_set_framebuffer(fbs[fbnum]);
+        fbnum = (fbnum+1)%2;
+        i = (i+1)%10;
+        sleep_ms(500);
+
         tight_loop_contents();
     }
 }
diff --git a/video_dma.pio b/video_dma.pio
index a92f610..40a28d7 100644
--- a/video_dma.pio
+++ b/video_dma.pio
@@ -10,6 +10,7 @@
 
 .define DATA_DELAY 4
 .define LINE_IRQ 0
+.define HSHIFT_DELAY 0
 .define PUBLIC CLOCKS_PER_BIT DATA_DELAY + 2
 
 .program cvsync
@@ -85,15 +86,16 @@ hsync_video:
 ; X = pixels_per_line - 1, preloaded once from C
 ; Each line:
 ;   clear output
-;   reload Y from X
 ;   wait for sync SM to raise LINE_IRQ
+;   apply a small extra delay for horizontal positioning
+;   reload Y from X
 ;   shift out one bit per loop
 
 .wrap_target
     set pins, 0
-    mov y, x
     wait 1 irq LINE_IRQ
     irq clear LINE_IRQ
+    mov y, x
 
 data_out:
     out pins, 1 [DATA_DELAY]