X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=vgasrc%2Fvbe.c;h=14efece6087f6675720318c11d9f61059a500db8;hb=e19a68f5acf441eb0c00cbd38f74e46ad4a288f3;hp=2a1e93279257f9764d84713922826722081fdf29;hpb=8bd766f40cf8afe9e408c0a283f6ac40dfffd6c6;p=seabios.git

diff --git a/vgasrc/vbe.c b/vgasrc/vbe.c
index 2a1e932..14efece 100644
--- a/vgasrc/vbe.c
+++ b/vgasrc/vbe.c
@@ -1,340 +1,278 @@
-#include "vgatables.h"
-#include "vbe.h"
-#include "dispi.h"
-#include "util.h"
-#include "config.h" // CONFIG_
-#include "biosvar.h" // SET_BDA
-
-struct mode
+// Video Bios Extensions handlers
+//
+// Copyright (C) 2009  Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2001-2008 the LGPL VGABios developers Team
+//
+// This file may be distributed under the terms of the GNU LGPLv3 license.
+
+#include "vgabios.h" // handle_104f
+#include "config.h" // CONFIG_*
+#include "bregs.h" // struct bregs
+#include "vbe.h" // struct vbe_info
+#include "util.h" // dprintf
+#include "biosvar.h" // get_global_set
+#include "vgahw.h" // vgahw_set_mode
+
+int VBE_enabled VAR16;
+u32 VBE_total_memory VAR16 = 256 * 1024;
+u32 VBE_capabilities VAR16;
+u32 VBE_framebuffer VAR16;
+u16 VBE_win_granularity VAR16 = 64;
+
+static void
+vbe_104f00(struct bregs *regs)
 {
-    u16 mode;
-    u16 width;
-    u16 height;
-    u8 depth;
-} vbe_modes[] VAR16 = {
-    /* standard modes */
-    { 0x100, 640,  400,  8  },
-    { 0x101, 640,  480,  8  },
-    { 0x102, 800,  600,  4  },
-    { 0x103, 800,  600,  8  },
-    { 0x104, 1024, 768,  4  },
-    { 0x105, 1024, 768,  8  },
-    { 0x106, 1280, 1024, 4  },
-    { 0x107, 1280, 1024, 8  },
-    { 0x10D, 320,  200,  15 },
-    { 0x10E, 320,  200,  16 },
-    { 0x10F, 320,  200,  24 },
-    { 0x110, 640,  480,  15 },
-    { 0x111, 640,  480,  16 },
-    { 0x112, 640,  480,  24 },
-    { 0x113, 800,  600,  15 },
-    { 0x114, 800,  600,  16 },
-    { 0x115, 800,  600,  24 },
-    { 0x116, 1024, 768,  15 },
-    { 0x117, 1024, 768,  16 },
-    { 0x118, 1024, 768,  24 },
-    { 0x119, 1280, 1024, 15 },
-    { 0x11A, 1280, 1024, 16 },
-    { 0x11B, 1280, 1024, 24 },
-    { 0x11C, 1600, 1200, 8  },
-    { 0x11D, 1600, 1200, 15 },
-    { 0x11E, 1600, 1200, 16 },
-    { 0x11F, 1600, 1200, 24 },
-    /* BOCHS modes */
-    { 0x140, 320,  200,  32 },
-    { 0x141, 640,  400,  32 },
-    { 0x142, 640,  480,  32 },
-    { 0x143, 800,  600,  32 },
-    { 0x144, 1024, 768,  32 },
-    { 0x145, 1280, 1024, 32 },
-    { 0x146, 320,  200,  8  },
-    { 0x147, 1600, 1200, 32 },
-    { 0x148, 1152, 864,  8  },
-    { 0x149, 1152, 864,  15 },
-    { 0x14a, 1152, 864,  16 },
-    { 0x14b, 1152, 864,  24 },
-    { 0x14c, 1152, 864,  32 },
-    { 0x178, 1280, 800,  16 },
-    { 0x179, 1280, 800,  24 },
-    { 0x17a, 1280, 800,  32 },
-    { 0x17b, 1280, 960,  16 },
-    { 0x17c, 1280, 960,  24 },
-    { 0x17d, 1280, 960,  32 },
-    { 0x17e, 1440, 900,  16 },
-    { 0x17f, 1440, 900,  24 },
-    { 0x180, 1440, 900,  32 },
-    { 0x181, 1400, 1050, 16 },
-    { 0x182, 1400, 1050, 24 },
-    { 0x183, 1400, 1050, 32 },
-    { 0x184, 1680, 1050, 16 },
-    { 0x185, 1680, 1050, 24 },
-    { 0x186, 1680, 1050, 32 },
-    { 0x187, 1920, 1200, 16 },
-    { 0x188, 1920, 1200, 24 },
-    { 0x189, 1920, 1200, 32 },
-    { 0x18a, 2560, 1600, 16 },
-    { 0x18b, 2560, 1600, 24 },
-    { 0x18c, 2560, 1600, 32 },
-    { 0, },
-};
-
-#define BYTES_PER_PIXEL(m) ((GET_GLOBAL((m)->depth) + 7) / 8)
-
-u32 pci_lfb_addr VAR16;
-
-static inline u32 pci_config_readl(u8 bus, u8 devfn, u16 addr)
-{
-    int status;
-    u32 val;
-    u16 bdf = (bus << 16) | devfn;
-
-    addr &= ~3;
-
-    asm volatile(
-            "int $0x1a\n"
-            "cli\n"
-            "cld"
-            : "=a"(status), "=c"(val)
-            : "a"(0xb10a), "b"(bdf), "D"(addr)
-            : "cc", "memory");
-
-    if ((status >> 16))
-        return (u32)-1;
-
-    return val;
-}
+    u16 seg = regs->es;
+    struct vbe_info *info = (void*)(regs->di+0);
+
+    if (GET_FARVAR(seg, info->signature) == VBE2_SIGNATURE) {
+        dprintf(4, "Get VBE Controller: VBE2 Signature found\n");
+    } else if (GET_FARVAR(seg, info->signature) == VESA_SIGNATURE) {
+        dprintf(4, "Get VBE Controller: VESA Signature found\n");
+    } else {
+        dprintf(4, "Get VBE Controller: Invalid Signature\n");
+    }
 
+    memset_far(seg, info, 0, sizeof(*info));
 
-static u16 dispi_get_max_xres(void)
-{
-    u16 en;
-    u16 xres;
+    SET_FARVAR(seg, info->signature, VESA_SIGNATURE);
 
-    en = dispi_read(VBE_DISPI_INDEX_ENABLE);
+    SET_FARVAR(seg, info->version, 0x0200);
 
-    dispi_write(VBE_DISPI_INDEX_ENABLE, en | VBE_DISPI_GETCAPS);
-    xres = dispi_read(VBE_DISPI_INDEX_XRES);
-    dispi_write(VBE_DISPI_INDEX_ENABLE, en);
+    SET_FARVAR(seg, info->oem_string,
+            SEGOFF(get_global_seg(), (u32)VBE_OEM_STRING));
+    SET_FARVAR(seg, info->capabilities, GET_GLOBAL(VBE_capabilities));
 
-    return xres;
-}
+    /* We generate our mode list in the reserved field of the info block */
+    u16 *destmode = (void*)info->reserved;
+    SET_FARVAR(seg, info->video_mode, SEGOFF(seg, (u32)destmode));
 
-static u16 dispi_get_max_bpp(void)
-{
-    u16 en;
-    u16 bpp;
+    /* Total memory (in 64 blocks) */
+    SET_FARVAR(seg, info->total_memory
+               , GET_GLOBAL(VBE_total_memory) / (64*1024));
 
-    en = dispi_read(VBE_DISPI_INDEX_ENABLE);
+    SET_FARVAR(seg, info->oem_vendor_string,
+            SEGOFF(get_global_seg(), (u32)VBE_VENDOR_STRING));
+    SET_FARVAR(seg, info->oem_product_string,
+            SEGOFF(get_global_seg(), (u32)VBE_PRODUCT_STRING));
+    SET_FARVAR(seg, info->oem_revision_string,
+            SEGOFF(get_global_seg(), (u32)VBE_REVISION_STRING));
 
-    dispi_write(VBE_DISPI_INDEX_ENABLE, en | VBE_DISPI_GETCAPS);
-    bpp = dispi_read(VBE_DISPI_INDEX_BPP);
-    dispi_write(VBE_DISPI_INDEX_ENABLE, en);
+    /* Fill list of modes */
+    u16 *last = (void*)&info->reserved[sizeof(info->reserved)];
+    vgahw_list_modes(seg, destmode, last - 1);
 
-    return bpp;
+    regs->ax = 0x004f;
 }
 
-/* Called only during POST */
-int
-vbe_init(u8 bus, u8 devfn)
+static void
+vbe_104f01(struct bregs *regs)
 {
-    u32 lfb_addr;
+    u16 seg = regs->es;
+    struct vbe_mode_info *info = (void*)(regs->di+0);
+    u16 mode = regs->cx;
 
-    if (!CONFIG_VGA_BOCHS)
-        return -1;
+    dprintf(1, "VBE mode info request: %x\n", mode);
 
-    /* Sanity checks */
-    dispi_write(VBE_DISPI_INDEX_ID, VBE_DISPI_ID0);
-    if (dispi_read(VBE_DISPI_INDEX_ID) != VBE_DISPI_ID0) {
-        dprintf(1, "No VBE DISPI interface detected\n");
-        return -1;
+    struct vgamode_s *vmode_g = vgahw_find_mode(mode);
+    if (! vmode_g) {
+        dprintf(1, "VBE mode %x not found\n", mode);
+        regs->ax = 0x0100;
+        return;
     }
 
-    SET_BDA(vbe_flag, 0x1);
-    dispi_write(VBE_DISPI_INDEX_ID, VBE_DISPI_ID5);
-
-    if (CONFIG_VGA_PCI)
-        lfb_addr = pci_config_readl(bus, devfn, 0x10) & ~0xf;
+    memset_far(seg, info, 0, sizeof(*info));
+    u16 mode_attr = VBE_MODE_ATTRIBUTE_SUPPORTED |
+                    VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE |
+                    VBE_MODE_ATTRIBUTE_COLOR_MODE |
+                    VBE_MODE_ATTRIBUTE_GRAPHICS_MODE |
+                    VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE;
+    u32 framebuffer = GET_GLOBAL(VBE_framebuffer);
+    int depth = GET_GLOBAL(vmode_g->depth);
+    if (depth == 4)
+        mode_attr |= VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT;
+    else if (framebuffer)
+        mode_attr |= VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE;
+    SET_FARVAR(seg, info->mode_attributes, mode_attr);
+    SET_FARVAR(seg, info->winA_attributes,
+               VBE_WINDOW_ATTRIBUTE_RELOCATABLE |
+               VBE_WINDOW_ATTRIBUTE_READABLE |
+               VBE_WINDOW_ATTRIBUTE_WRITEABLE);
+    SET_FARVAR(seg, info->winB_attributes, 0);
+    SET_FARVAR(seg, info->win_granularity, GET_GLOBAL(VBE_win_granularity));
+    SET_FARVAR(seg, info->win_size, 64); /* Bank size 64K */
+    SET_FARVAR(seg, info->winA_seg, SEG_GRAPH);
+    SET_FARVAR(seg, info->winB_seg, 0x0);
+    SET_FARVAR(seg, info->win_func_ptr.segoff, 0x0);
+    int width = GET_GLOBAL(vmode_g->width);
+    int height = GET_GLOBAL(vmode_g->height);
+    int linesize = width * DIV_ROUND_UP(depth, 8);
+    SET_FARVAR(seg, info->bytes_per_scanline, linesize);
+    SET_FARVAR(seg, info->xres, width);
+    SET_FARVAR(seg, info->yres, height);
+    SET_FARVAR(seg, info->xcharsize, 8);
+    SET_FARVAR(seg, info->ycharsize, 16);
+    if (depth == 4)
+        SET_FARVAR(seg, info->planes, 4);
     else
-        lfb_addr = VBE_DISPI_LFB_PHYSICAL_ADDRESS;
-
-    SET_FARVAR(get_global_seg(), pci_lfb_addr, lfb_addr);
+        SET_FARVAR(seg, info->planes, 1);
+    SET_FARVAR(seg, info->bits_per_pixel, depth);
+    SET_FARVAR(seg, info->banks, 1);
+    SET_FARVAR(seg, info->mem_model, GET_GLOBAL(vmode_g->memmodel));
+    SET_FARVAR(seg, info->bank_size, 0);
+    u32 pages = GET_GLOBAL(VBE_total_memory) / (height * linesize);
+    if (depth == 4)
+        SET_FARVAR(seg, info->pages, (pages / 4) - 1);
+    else
+        SET_FARVAR(seg, info->pages, pages - 1);
+    SET_FARVAR(seg, info->reserved0, 1);
+
+    u8 r_size, r_pos, g_size, g_pos, b_size, b_pos, a_size, a_pos;
+
+    switch (depth) {
+    case 15: r_size = 5; r_pos = 10; g_size = 5; g_pos = 5;
+             b_size = 5; b_pos = 0; a_size = 1; a_pos = 15; break;
+    case 16: r_size = 5; r_pos = 11; g_size = 6; g_pos = 5;
+             b_size = 5; b_pos = 0; a_size = 0; a_pos = 0; break;
+    case 24: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8;
+             b_size = 8; b_pos = 0; a_size = 0; a_pos = 0; break;
+    case 32: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8;
+             b_size = 8; b_pos = 0; a_size = 8; a_pos = 24; break;
+    default: r_size = 0; r_pos = 0; g_size = 0; g_pos = 0;
+             b_size = 0; b_pos = 0; a_size = 0; a_pos = 0; break;
+    }
 
-    dprintf(1, "VBE DISPI detected. lfb_addr=%x\n", GET_GLOBAL(pci_lfb_addr));
+    SET_FARVAR(seg, info->red_size, r_size);
+    SET_FARVAR(seg, info->red_pos, r_pos);
+    SET_FARVAR(seg, info->green_size, g_size);
+    SET_FARVAR(seg, info->green_pos, g_pos);
+    SET_FARVAR(seg, info->blue_size, b_size);
+    SET_FARVAR(seg, info->blue_pos, b_pos);
+    SET_FARVAR(seg, info->alpha_size, a_size);
+    SET_FARVAR(seg, info->alpha_pos, a_pos);
+
+    if (depth == 32)
+        SET_FARVAR(seg, info->directcolor_info,
+                   VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE);
+    else
+        SET_FARVAR(seg, info->directcolor_info, 0);
 
-    return 0;
+    if (depth > 4)
+        SET_FARVAR(seg, info->phys_base, GET_GLOBAL(VBE_framebuffer));
+    else
+        SET_FARVAR(seg, info->phys_base, 0);
+
+    SET_FARVAR(seg, info->reserved1, 0);
+    SET_FARVAR(seg, info->reserved2, 0);
+    SET_FARVAR(seg, info->linear_bytes_per_scanline, linesize);
+    SET_FARVAR(seg, info->bank_pages, 0);
+    SET_FARVAR(seg, info->linear_pages, 0);
+    SET_FARVAR(seg, info->linear_red_size, r_size);
+    SET_FARVAR(seg, info->linear_red_pos, r_pos);
+    SET_FARVAR(seg, info->linear_green_size, g_size);
+    SET_FARVAR(seg, info->linear_green_pos, g_pos);
+    SET_FARVAR(seg, info->linear_blue_size, b_size);
+    SET_FARVAR(seg, info->linear_blue_pos, b_pos);
+    SET_FARVAR(seg, info->linear_alpha_size, a_size);
+    SET_FARVAR(seg, info->linear_alpha_pos, a_pos);
+    SET_FARVAR(seg, info->pixclock_max, 0);
+
+    regs->ax = 0x004f;
 }
 
-int
-vbe_enabled(void)
+static void
+vbe_104f02(struct bregs *regs)
 {
-    return GET_BDA(vbe_flag);
-}
+    dprintf(1, "VBE mode set: %x\n", regs->bx);
 
-u16
-vbe_total_mem(void)
-{
-    return dispi_read(VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
+    int mode = regs->bx & 0x1ff;
+    int flags = regs->bx & (MF_CUSTOMCRTC|MF_LINEARFB|MF_NOCLEARMEM);
+    int ret = vgahw_set_mode(mode, flags);
+
+    regs->ah = ret;
+    regs->al = 0x4f;
 }
 
-static struct mode *find_mode_entry(u16 mode)
+static void
+vbe_104f03(struct bregs *regs)
 {
-    struct mode *m;
+    u16 mode = GET_BDA(vbe_mode);
+    if (!mode)
+        regs->bx = GET_BDA(video_mode);
 
-    for (m = vbe_modes; GET_GLOBAL(m->mode); m++) {
-        if (GET_GLOBAL(m->mode) == mode)
-            return m;
-    }
+    dprintf(1, "VBE current mode=%x\n", regs->bx);
 
-    return NULL;
+    regs->ax = 0x004f;
 }
 
-static int mode_valid(struct mode *m)
+static void
+vbe_104f04(struct bregs *regs)
 {
-    u16 max_xres = dispi_get_max_xres();
-    u16 max_bpp = dispi_get_max_bpp();
-    u32 max_mem = vbe_total_mem() * 64 * 1024;
-
-    u32 mem = GET_GLOBAL(m->width) * GET_GLOBAL(m->height) *
-              BYTES_PER_PIXEL(m);
-
-    if (GET_GLOBAL(m->width) > max_xres ||
-        GET_GLOBAL(m->depth) > max_bpp ||
-        mem > max_mem)
-        return 0;
-
-    return 1;
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-int
-vbe_list_modes(u16 seg, u16 ptr)
+static void
+vbe_104f05(struct bregs *regs)
 {
-    int count = 0;
-    u16 *dest = (u16 *)(u32)ptr;
-    struct mode *m;
-
-    for (m = vbe_modes; GET_GLOBAL(m->mode); m++) {
-        if (!mode_valid(m))
-            continue;
-
-        dprintf(1, "VBE found mode %x valid.\n", GET_GLOBAL(m->mode));
-        SET_FARVAR(seg, dest[count], GET_GLOBAL(m->mode));
-
-        count++;
-    }
-
-    SET_FARVAR(seg, dest[count], 0xffff); /* End of list */
-
-    return count;
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-int
-vbe_mode_info(u16 mode, struct vbe_modeinfo *info)
+static void
+vbe_104f06(struct bregs *regs)
 {
-    struct mode *m;
-
-    m = find_mode_entry(mode);
-    if (!m || !mode_valid(m))
-        return -1;
-
-    info->width = GET_GLOBAL(m->width);
-    info->height = GET_GLOBAL(m->height);
-    info->depth = GET_GLOBAL(m->depth);
-
-    info->linesize = info->width * ((info->depth + 7) / 8);
-    info->phys_base = GET_GLOBAL(pci_lfb_addr);
-    info->vram_size = vbe_total_mem() * 64 * 1024;
-
-    return 0;
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-void
-vbe_hires_enable(int enable)
+static void
+vbe_104f07(struct bregs *regs)
 {
-    u16 flags = enable ?
-        VBE_DISPI_ENABLED |
-        VBE_DISPI_LFB_ENABLED |
-        VBE_DISPI_NOCLEARMEM : 0;
-
-    dispi_write(VBE_DISPI_INDEX_ENABLE, flags);
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-void
-vbe_set_mode(u16 mode, struct vbe_modeinfo *info)
+static void
+vbe_104f08(struct bregs *regs)
 {
-    if (info->depth == 4)
-        vga_set_mode(0x6a, 0);
-    if (info->depth == 8)
-        // XXX load_dac_palette(3);
-        ;
-
-    dispi_write(VBE_DISPI_INDEX_BPP, info->depth);
-    dispi_write(VBE_DISPI_INDEX_XRES, info->width);
-    dispi_write(VBE_DISPI_INDEX_YRES, info->height);
-    dispi_write(VBE_DISPI_INDEX_BANK, 0);
-
-    /* VGA compat setup */
-    //XXX: This probably needs some reverse engineering
-    u8 v;
-    outw(0x0011, VGAREG_VGA_CRTC_ADDRESS);
-    outw(((info->width * 4 - 1) << 8) | 0x1, VGAREG_VGA_CRTC_ADDRESS);
-    dispi_write(VBE_DISPI_INDEX_VIRT_WIDTH, info->width);
-    outw(((info->height - 1) << 8) | 0x12, VGAREG_VGA_CRTC_ADDRESS);
-    outw(((info->height - 1) & 0xff00) | 0x7, VGAREG_VGA_CRTC_ADDRESS);
-    v = inb(VGAREG_VGA_CRTC_DATA) & 0xbd;
-    if (v & 0x1)
-        v |= 0x2;
-    if (v & 0x2)
-        v |= 0x40;
-    outb(v, VGAREG_VGA_CRTC_DATA);
-
-    outw(0x9, VGAREG_VGA_CRTC_ADDRESS);
-    outb(0x17, VGAREG_VGA_CRTC_ADDRESS);
-    outb(inb(VGAREG_VGA_CRTC_DATA) | 0x3, VGAREG_VGA_CRTC_DATA);
-    v = inb(VGAREG_ACTL_RESET);
-    outw(0x10, VGAREG_ACTL_ADDRESS);
-    v = inb(VGAREG_ACTL_READ_DATA) | 0x1;
-    outb(v, VGAREG_ACTL_ADDRESS);
-    outb(0x20, VGAREG_ACTL_ADDRESS);
-    outw(0x0506, VGAREG_GRDC_ADDRESS);
-    outw(0x0f02, VGAREG_SEQU_ADDRESS);
-    if (info->depth >= 8) {
-        outb(0x14, VGAREG_VGA_CRTC_ADDRESS);
-        outb(inb(VGAREG_VGA_CRTC_DATA) | 0x40, VGAREG_VGA_CRTC_DATA);
-        v = inb(VGAREG_ACTL_RESET);
-        outw(0x10, VGAREG_ACTL_ADDRESS);
-        v = inb(VGAREG_ACTL_READ_DATA) | 0x40;
-        outb(v, VGAREG_ACTL_ADDRESS);
-        outb(0x20, VGAREG_ACTL_ADDRESS);
-        outb(0x04, VGAREG_SEQU_ADDRESS);
-        v = inb(VGAREG_SEQU_DATA) | 0x08;
-        outb(v, VGAREG_SEQU_DATA);
-        outb(0x05, VGAREG_GRDC_ADDRESS);
-        v = inb(VGAREG_GRDC_DATA) & 0x9f;
-        outb(v | 0x40, VGAREG_GRDC_DATA);
-    }
-
-    SET_BDA(vbe_mode, mode);
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-void
-vbe_clear_scr(void)
+static void
+vbe_104f0a(struct bregs *regs)
 {
-    u16 en;
-
-    en = dispi_read(VBE_DISPI_INDEX_ENABLE);
-    en &= ~VBE_DISPI_NOCLEARMEM;
-    dispi_write(VBE_DISPI_INDEX_ENABLE, en);
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-int
-vbe_hires_enabled(void)
+static void
+vbe_104fXX(struct bregs *regs)
 {
-    return dispi_read(VBE_DISPI_INDEX_ENABLE) & VBE_DISPI_ENABLED;
+    debug_stub(regs);
+    regs->ax = 0x0100;
 }
 
-u16
-vbe_curr_mode(void)
+void
+handle_104f(struct bregs *regs)
 {
-    return GET_BDA(vbe_mode);
-}
+    if (!GET_GLOBAL(VBE_enabled)) {
+        vbe_104fXX(regs);
+        return;
+    }
 
+    switch (regs->al) {
+    case 0x00: vbe_104f00(regs); break;
+    case 0x01: vbe_104f01(regs); break;
+    case 0x02: vbe_104f02(regs); break;
+    case 0x03: vbe_104f03(regs); break;
+    case 0x04: vbe_104f04(regs); break;
+    case 0x05: vbe_104f05(regs); break;
+    case 0x06: vbe_104f06(regs); break;
+    case 0x07: vbe_104f07(regs); break;
+    case 0x08: vbe_104f08(regs); break;
+    case 0x0a: vbe_104f0a(regs); break;
+    default:   vbe_104fXX(regs); break;
+    }
+}