diff options
Diffstat (limited to 'src/mesa/drivers/dos/blit.S')
| -rw-r--r-- | src/mesa/drivers/dos/blit.S | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/src/mesa/drivers/dos/blit.S b/src/mesa/drivers/dos/blit.S deleted file mode 100644 index 02dc8400d8d..00000000000 --- a/src/mesa/drivers/dos/blit.S +++ /dev/null @@ -1,1040 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 4.0 - * - * Copyright (C) 1999 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * DOS/DJGPP device driver for Mesa - * - * Author: Daniel Borca - * Email : [email protected] - * Web : http://www.geocities.com/dborca - */ - - - .file "blit.S" - -/* - * extern unsigned int vesa_gran_mask, vesa_gran_shift; - * extern int vl_video_selector; - - * extern void *vl_current_draw_buffer; - * extern int vl_current_stride, vl_current_height; - * extern int vl_current_offset, vl_current_delta; - */ - - .text - -/* Desc: VESA bank switching routine (BIOS) - * - * In : EBX=0, EDX = bank number - * Out : - - * - * Note: thrashes EAX - */ - .p2align 5,,31 -_vesa_swbankBIOS: - movw $0x4f05, %ax - int $0x10 - ret - - .p2align 2,,3 - .global _vesa_swbank -_vesa_swbank: .long _vesa_swbankBIOS - -/* Desc: void vesa_b_dump_virtual (void); - * - * In : - - * Out : - - * - * Note: uses current draw buffer - */ - .p2align 5,,31 - .global _vesa_b_dump_virtual -_vesa_b_dump_virtual: - cld - pushl %es - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %es - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - movl _vl_current_delta, %ebx - shrl $2, %ecx - .balign 4 - 0: - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - pushl %eax - pushl %ebx - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - popl %ebx - popl %eax - subl %ebp, %edi - .balign 4 - 2: - movsl - decl %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - popl %es - ret - -/* Desc: void vesa_l_dump_virtual (void); - * - * In : - - * Out : - - * - * Note: uses current draw buffer - */ - .p2align 5,,31 - .global _vesa_l_dump_virtual -_vesa_l_dump_virtual: - cld - pushl %es - pushl %esi - pushl %edi - movl _vl_video_selector, %es - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %eax - shrl $2, %ecx - .balign 4 - 0: - pushl %ecx - rep; movsl - popl %ecx - addl %eax, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %es - ret - -/* Desc: void vesa_l_dump_virtual_mmx (void); - * - * In : - - * Out : - - * - * Note: uses current draw buffer - */ - .p2align 5,,31 - .global _vesa_l_dump_virtual_mmx -_vesa_l_dump_virtual_mmx: -#ifdef USE_MMX_ASM - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %eax - shrl $3, %ecx - .balign 4 - 0: - pushl %ecx - .balign 4 - 1: - movq (%esi), %mm0 - addl $8, %esi - movq %mm0, %fs:(%edi) - addl $8, %edi - decl %ecx - jnz 1b - popl %ecx - addl %eax, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - emms -#endif - ret - - - -#define CVT_32_TO_16(s, tmp) \ - /* SRC = bbbbbbbbggggggggrrrrrrrr******** */\ - movl %e##s##x, %tmp ;\ - /* TMP = bbbbbbbbggggggggrrrrrrrr******** */\ - shrb $2, %s##h ;\ - /* SRC = bbbbbbbbgggggg00rrrrrrrr******** */\ - andl $0xF80000, %tmp ;\ - /* TMP = 0000000000000000000rrrrr00000000 */\ - shrw $3, %s##x ;\ - /* SRC = bbbbbgggggg00000rrrrrrrr******** */\ - shrl $8, %tmp ;\ - /* TMP = 00000000000rrrrr0000000000000000 */\ - orl %tmp, %e##s##x ;\ - /* SRC = bbbbbggggggrrrrrrrrrrrrr******** */ - -#define CVT_32_TO_15(s, tmp) \ - /* SRC = bbbbbbbbggggggggrrrrrrrr******** */\ - movl %e##s##x, %tmp ;\ - /* TMP = bbbbbbbbggggggggrrrrrrrr******** */\ - shrb $3, %s##h ;\ - /* SRC = bbbbbbbbgggggg00rrrrrrrr******** */\ - andl $0xF80000, %tmp ;\ - /* TMP = 0000000000000000000rrrrr00000000 */\ - shrw $3, %s##x ;\ - /* SRC = bbbbbgggggg00000rrrrrrrr******** */\ - shrl $9, %tmp ;\ - /* TMP = 00000000000rrrrr0000000000000000 */\ - orl %tmp, %e##s##x ;\ - /* SRC = bbbbbggggggrrrrrrrrrrrrr******** */ - -#define CVT_16_TO_15(src, tmp) \ - /* SRC = bbbbbggggggrrrrrBBBBBGGGGGGRRRRR */\ - movl %src, %tmp ;\ - /* TMP = bbbbbggggggrrrrrBBBBBGGGGGGRRRRR */\ - andl $0x1F001F, %src ;\ - /* SRC = bbbbb00000000000BBBBB00000000000 */\ - andl $0xFFC0FFC0, %tmp ;\ - /* TMP = 000000gggggrrrrr000000GGGGGRRRRR */\ - shrl %tmp ;\ - /* TMP = 00000gggggrrrrr000000GGGGGRRRRR0 */\ - orl %tmp, %src ;\ - /* SRC = bbbbbgggggrrrrr0BBBBBGGGGGRRRRR0 */\ - - - -/* transform BGRA to BGR */ - .p2align 5,,31 - .global _vesa_l_dump_32_to_24 -_vesa_l_dump_32_to_24: - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - 1: - movl (%esi), %eax - addl $4, %esi - movw %ax, %fs:(%edi) - shrl $16, %eax - movb %al, %fs:2(%edi) - addl $3, %edi - subl $3, %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - ret - -/* transform BGRA to B5G6R5 */ - .p2align 5,,31 - .global _vesa_l_dump_32_to_16 -_vesa_l_dump_32_to_16: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - 1: - movl (%esi), %eax - addl $4, %esi - CVT_32_TO_16(a, ebp) - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - -/* transform BGRA to B5G5R5 */ - .p2align 5,,31 - .global _vesa_l_dump_32_to_15 -_vesa_l_dump_32_to_15: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - 1: - movl (%esi), %eax - addl $4, %esi - CVT_32_TO_15(a, ebp) - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - -/* transform BGRA to fake8 */ - .p2align 5,,31 - .global _vesa_l_dump_32_to_8 -_vesa_l_dump_32_to_8: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %edx - pushl %ecx - pushl %ebx - 1: - movl (%esi), %eax - addl $4, %esi -#if 1 - xorl %ebx, %ebx - movl %eax, %edx - movb %ah, %bl - shrl $16, %edx - andl $0xFF, %edx - andl $0xFF, %eax - - movb _array_b(%eax), %al - movb _array_r(%edx), %dl - movb _array_g(%ebx), %bl - - imull $36, %eax - imull $6, %ebx - addl %edx, %eax - addl %ebx, %eax -#endif - movb %al, %fs:(%edi) - incl %edi - decl %ecx - jnz 1b - popl %ebx - popl %ecx - popl %edx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - -/* transform BGR to BGRx */ - .p2align 5,,31 - .global _vesa_l_dump_24_to_32 -_vesa_l_dump_24_to_32: - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - 1: - movl (%esi), %eax - addl $3, %esi - movl %eax, %fs:(%edi) - addl $4, %edi - subl $4, %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - ret - -/* transform BGR to fake8 */ - .p2align 5,,31 - .global _vesa_l_dump_24_to_8 -_vesa_l_dump_24_to_8: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %edx - pushl %ecx - pushl %ebx - 1: - movl (%esi), %eax - addl $3, %esi -#if 1 - xorl %ebx, %ebx - movl %eax, %edx - movb %ah, %bl - shrl $16, %edx - andl $0xFF, %edx - andl $0xFF, %eax - - movb _array_b(%eax), %al - movb _array_r(%edx), %dl - movb _array_g(%ebx), %bl - - imull $36, %eax - imull $6, %ebx - addl %edx, %eax - addl %ebx, %eax -#endif - movb %al, %fs:(%edi) - incl %edi - decl %ecx - jnz 1b - popl %ebx - popl %ecx - popl %edx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - -/* transform B5G6R5 to B5G5R5 */ - .p2align 5,,31 - .global _vesa_l_dump_16_to_15 -_vesa_l_dump_16_to_15: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - 1: - movl (%esi), %eax - addl $4, %esi - CVT_16_TO_15(eax, ebp) - movl %eax, %fs:(%edi) - addl $4, %edi - subl $4, %ecx - jnz 1b - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - -/* transform B5G6R5 to fake8 */ - .p2align 5,,31 - .global _vesa_l_dump_16_to_8 -_vesa_l_dump_16_to_8: - pushl %ebp - pushl %ebx - pushl %esi - pushl %edi - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vl_current_stride, %ecx - movl _vl_current_height, %edx - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %ecx - pushl %ebx - 1: - movl (%esi), %eax - addl $4, %esi -#if 1 - movl %eax, %ebx - andl $0xFFFF, %eax - shrl $16, %ebx - movb _tab_16_8(%eax), %al - movb _tab_16_8(%ebx), %ah -#endif - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ebx - popl %ecx - addl %ebx, %edi - decl %edx - jnz 0b - popl %edi - popl %esi - popl %ebx - popl %ebp - ret - - - - .p2align 5,,31 - .global _vesa_b_dump_32_to_24 -_vesa_b_dump_32_to_24: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - movl $0x00FFFFFF, %ebx - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - pushl %ebx - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - popl %ebx - subl %ebp, %edi - .balign 4 - 2: - movb (%esi), %al /* XXX too many accesses */ - incl %esi - rorl $8, %ebx - jnc 2b - movb %al, %fs:(%edi) - incl %edi - decl %ecx - jnz 1b - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_32_to_16 -_vesa_b_dump_32_to_16: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - subl %ebp, %edi - .balign 4 - 2: - movl (%esi), %eax - addl $4, %esi - CVT_32_TO_16(a, ebx) - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_32_to_15 -_vesa_b_dump_32_to_15: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - subl %ebp, %edi - .balign 4 - 2: - movl (%esi), %eax - addl $4, %esi - CVT_32_TO_15(a, ebx) - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_32_to_8 -_vesa_b_dump_32_to_8: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - .balign 4 - 0: - pushl %eax - pushl %ecx - pushl %edx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - popl %edx - incl %edx - pushl %edx - xorl %ebx, %ebx - call *_vesa_swbank - subl %ebp, %edi - .balign 4 - 2: - movl (%esi), %eax - addl $4, %esi -#if 1 - xorl %ebx, %ebx - movl %eax, %edx - movb %ah, %bl - shrl $16, %edx - andl $0xFF, %edx - andl $0xFF, %eax - - movb _array_b(%eax), %al - movb _array_r(%edx), %dl - movb _array_g(%ebx), %bl - - imull $36, %eax - imull $6, %ebx - addl %edx, %eax - addl %ebx, %eax -#endif - movb %al, %fs:(%edi) - incl %edi - decl %ecx - jnz 1b - popl %edx - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_24_to_32 -_vesa_b_dump_24_to_32: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - pushl %ebx - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - popl %ebx - subl %ebp, %edi - .balign 4 - 2: - movl (%esi), %eax - addl $3, %esi - movl %eax, %fs:(%edi) - addl $4, %edi - subl $4, %ecx - jnz 1b - popl %ecx - popl %eax - addl %ebx, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_24_to_8 -_vesa_b_dump_24_to_8: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - .balign 4 - 0: - pushl %eax - pushl %ecx - pushl %edx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - popl %edx - incl %edx - pushl %edx - xorl %ebx, %ebx - call *_vesa_swbank - subl %ebp, %edi - .balign 4 - 2: - movl (%esi), %eax - addl $3, %esi -#if 1 - xorl %ebx, %ebx - movl %eax, %edx - movb %ah, %bl - shrl $16, %edx - andl $0xFF, %edx - andl $0xFF, %eax - - movb _array_b(%eax), %al - movb _array_r(%edx), %dl - movb _array_g(%ebx), %bl - - imull $36, %eax - imull $6, %ebx - addl %edx, %eax - addl %ebx, %eax -#endif - movb %al, %fs:(%edi) - incl %edi - decl %ecx - jnz 1b - popl %edx - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_16_to_15 -_vesa_b_dump_16_to_15: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - subl %ebp, %edi - .balign 4 - 2: - movw (%esi), %ax - addl $2, %esi - CVT_16_TO_15(eax, ebx) - movw %ax, %fs:(%edi) - addl $2, %edi - subl $2, %ecx - jnz 1b - popl %ecx - popl %eax - addl _vl_current_delta, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret - - .p2align 5,,31 - .global _vesa_b_dump_16_to_8 -_vesa_b_dump_16_to_8: - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl _vl_video_selector, %fs - movl _vl_current_draw_buffer, %esi - movl _vl_current_offset, %edi - movl _vesa_gran_shift, %ecx - movl _vesa_gran_mask, %ebp - movl %edi, %edx - xorl %ebx, %ebx - andl %ebp, %edi - shrl %cl, %edx - incl %ebp - call *_vesa_swbank - movl _vl_current_stride, %ecx - movl _vl_current_height, %eax - movl _vl_current_delta, %ebx - .balign 4 - 0: - pushl %eax - pushl %ecx - .balign 4 - 1: - cmpl %ebp, %edi - jb 2f - pushl %ebx - incl %edx - xorl %ebx, %ebx - call *_vesa_swbank - popl %ebx - subl %ebp, %edi - .balign 4 - 2: - movw (%esi), %ax - addl $2, %esi -#if 1 - andl $0xFFFF, %eax - movb _tab_16_8(%eax), %al -#endif - movb %al, %fs:(%edi) - addl $1, %edi - subl $1, %ecx - jnz 1b - popl %ecx - popl %eax - addl %ebx, %edi - decl %eax - jnz 0b - popl %ebp - popl %edi - popl %esi - popl %ebx - ret |