+static uint32_t
+ao_cmd_hex32(void)
+{
+ __pdata uint8_t r = ao_cmd_lex_error;
+ int8_t n;
+ uint32_t v = 0;
+
+ ao_cmd_white();
+ for(;;) {
+ n = ao_cmd_hexchar(ao_cmd_lex_c);
+ if (n < 0)
+ break;
+ v = (v << 4) | n;
+ r = ao_cmd_success;
+ ao_cmd_lex();
+ }
+ if (r != ao_cmd_success)
+ ao_cmd_status = r;
+ return v;
+}
+
+void
+ao_block_write(void)
+{
+ uint32_t addr = ao_cmd_hex32();
+ uint32_t *p = (uint32_t *) addr;
+ union {
+ uint8_t data8[256];
+ uint32_t data32[64];
+ } u;
+ uint16_t i;
+
+ for (i = 0; i < 256; i++)
+ u.data8[i] = getchar();
+ ao_flash_page(p, u.data32);
+}
+
+void
+ao_block_read(void)
+{
+ uint32_t addr = ao_cmd_hex32();
+ uint8_t *p = (uint8_t *) addr;
+ uint16_t i;
+
+ for (i = 0; i < 256; i++)
+ putchar(*p++);
+}
+