diff options
Diffstat (limited to 'demo/gfx.c')
| -rw-r--r-- | demo/gfx.c | 24 |
1 files changed, 18 insertions, 6 deletions
@@ -18,7 +18,6 @@ #define HEADER_BASE 0x400000 #define HEADER_SIZE (1 - 1) #define CODE_BASE 0x500000 -#define CODE_SIZE (3 - 1) #define DATA_BASE 0x600000 #define VRAM_HEADER_CODE_BASE ((unsigned *)(GFX_VRAM_BASE + HEADER_BASE + 0)) @@ -33,6 +32,9 @@ static int swap_buffers; static unsigned clear_color; static unsigned data_size; +extern const unsigned char _binary_obj_conspiracion_demo_gfx_rom_bin_end[]; +extern const unsigned char _binary_obj_conspiracion_demo_gfx_rom_bin_start[]; + static void gfx_write_scan(int do_clear) { unsigned word = 0x02000000; @@ -58,14 +60,24 @@ void gfx_init(void) GFX_CMD_FB_BASE_B = FB_BASE_B; GFX_CMD_HEADER_BASE = HEADER_BASE; + const unsigned char *start = _binary_obj_conspiracion_demo_gfx_rom_bin_start; + unsigned length = (unsigned)&_binary_obj_conspiracion_demo_gfx_rom_bin_end[0] - (unsigned)start; + + print("gfx: loading %u bytes program at %p", length, start); + for (unsigned i = 0; i < length / 4; ++i) { + unsigned word + = (unsigned)start[4 * i] + | (unsigned)start[4 * i + 1] << 8 + | (unsigned)start[4 * i + 2] << 16 + | (unsigned)start[4 * i + 3] << 24; + + VRAM_CODE[i] = word; + } + *VRAM_HEADER_CODE_BASE = CODE_BASE; - *VRAM_HEADER_CODE_SIZE = CODE_SIZE; + *VRAM_HEADER_CODE_SIZE = length / 4 - 1; *VRAM_HEADER_DATA_BASE = DATA_BASE; *VRAM_HEADER_DATA_SIZE = 0; - - VRAM_CODE[0] = 0x00000120; // recv m1 - VRAM_CODE[1] = 0x00001010; // send m1 - VRAM_CODE[2] = 0x00001010; // send m1 } void gfx_clear(void) |