#include "farptr.h" // SET_FARVAR
#include "biosvar.h" // GET_BDA
#include "vgabios.h" // VGAREG_*
+#include "util.h" // memcpy_far
// TODO
// * replace direct in/out calls with wrapper functions
outw((spec << 8) | 0x03, VGAREG_SEQU_ADDRESS);
}
-void
+
+/****************************************************************
+ * Font loading
+ ****************************************************************/
+
+static void
get_font_access(void)
{
outw(0x0100, VGAREG_SEQU_ADDRESS);
outw(0x0406, VGAREG_GRDC_ADDRESS);
}
-void
+static void
release_font_access(void)
{
outw(0x0100, VGAREG_SEQU_ADDRESS);
outw(0x1005, VGAREG_GRDC_ADDRESS);
}
+void
+stdvga_load_font(u16 seg, void *src_far, u16 count
+ , u16 start, u8 destflags, u8 fontsize)
+{
+ get_font_access();
+ u16 blockaddr = ((destflags & 0x03) << 14) + ((destflags & 0x04) << 11);
+ void *dest_far = (void*)(blockaddr + start*32);
+ u16 i;
+ for (i = 0; i < count; i++)
+ memcpy_far(SEG_GRAPH, dest_far + i*32
+ , seg, src_far + i*fontsize, fontsize);
+ release_font_access();
+}
+
/****************************************************************
* CRTC registers
void stdvga_sequ_write(u8 index, u8 value);
void stdvga_grdc_write(u8 index, u8 value);
void stdvga_set_text_block_specifier(u8 spec);
-void get_font_access(void);
-void release_font_access(void);
+void stdvga_load_font(u16 seg, void *src_far, u16 count
+ , u16 start, u8 destflags, u8 fontsize);
void stdvga_set_cursor_shape(u8 start, u8 end);
void stdvga_set_active_page(u16 address);
void stdvga_set_cursor_pos(u16 address);
static void
handle_101100(struct bregs *regs)
{
- vgafb_load_font(regs->es, (void*)(regs->bp+0), regs->cx
- , regs->dx, regs->bl, regs->bh);
+ stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
+ , regs->dx, regs->bl, regs->bh);
}
static void
handle_101101(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
+ stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
}
static void
handle_101102(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
+ stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
}
static void
static void
handle_101104(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
+ stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
}
static void
handle_101110(struct bregs *regs)
{
- vgafb_load_font(regs->es, (void*)(regs->bp+0), regs->cx
- , regs->dx, regs->bl, regs->bh);
+ stdvga_load_font(regs->es, (void*)(regs->bp+0), regs->cx
+ , regs->dx, regs->bl, regs->bh);
set_scan_lines(regs->bh);
}
static void
handle_101111(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
+ stdvga_load_font(get_global_seg(), vgafont14, 0x100, 0, regs->bl, 14);
set_scan_lines(14);
}
static void
handle_101112(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
+ stdvga_load_font(get_global_seg(), vgafont8, 0x100, 0, regs->bl, 8);
set_scan_lines(8);
}
static void
handle_101114(struct bregs *regs)
{
- vgafb_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
+ stdvga_load_font(get_global_seg(), vgafont16, 0x100, 0, regs->bl, 16);
set_scan_lines(16);
}
}
return attr;
}
-
-
-/****************************************************************
- * Font loading
- ****************************************************************/
-
-void
-vgafb_load_font(u16 seg, void *src_far, u16 count
- , u16 start, u8 destflags, u8 fontsize)
-{
- get_font_access();
- u16 blockaddr = ((destflags & 0x03) << 14) + ((destflags & 0x04) << 11);
- void *dest_far = (void*)(blockaddr + start*32);
- u16 i;
- for (i = 0; i < count; i++)
- memcpy_far(SEG_GRAPH, dest_far + i*32
- , seg, src_far + i*fontsize, fontsize);
- release_font_access();
-}