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blitters.S
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blitters.S
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/*
* blitters.S
*
* miscellaneous blitters
*/
/* $Id: blitters.S,v 1.1 1999/02/21 23:32:34 nyef Exp $ */
#include "machdep.h"
.globl SYMNAME(blit_2_8)
SYMLABEL(blit_2_8)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
movb 0x14(%esp),%bl
movb 0x18(%esp),%bh
movb 0x20(%esp),%cl
shlb %cl,%bl
shlb %cl,%bh
movl 0x24(%esp),%esi
movl 0x28(%esp),%edi
movb 0x1c(%esp),%cl
0: xorl %eax,%eax
rclb %bl
rcll %eax
rclb %bh
rcll %eax
orb %al,%al
je 1f
movb (%eax,%esi),%al
movb %al,(%edi)
1: incl %edi
decb %cl
jne 0b
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
.globl SYMNAME(blit_2_8_rev)
SYMLABEL(blit_2_8_rev)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
movb 0x14(%esp,1),%bl
movb 0x18(%esp,1),%bh
movb 0x20(%esp,1),%cl
shrb %cl,%bl
shrb %cl,%bh
movl 0x24(%esp,1),%esi
movl 0x28(%esp,1),%edi
movb 0x1c(%esp,1),%cl
0: xorl %eax,%eax
rcrb %bl
rcll %eax
rcrb %bh
rcll %eax
orb %al,%al
je 1f
movb (%eax,%esi,1),%al
movb %al,(%edi)
1: incl %edi
decb %cl
jne 0b
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
.globl SYMNAME(blit_4_8)
SYMLABEL(blit_4_8)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
pushl %edx
movb 0x18(%esp,1),%bl
movb 0x1c(%esp,1),%bh
movb 0x20(%esp,1),%dl
movb 0x24(%esp,1),%dh
movb 0x2c(%esp,1),%cl
shlb %cl,%bl
shlb %cl,%bh
shlb %cl,%dl
shlb %cl,%dh
movl 0x30(%esp,1),%esi
movl 0x34(%esp,1),%edi
movb 0x28(%esp,1),%cl
0: xorl %eax,%eax
rclb %bl
rcll %eax
rclb %bh
rcll %eax
rclb %dl
rcll %eax
rclb %dh
rcll %eax
movb (%eax,%esi,1),%al
movb %al,(%edi)
incl %edi
decb %cl
jne 0b
popl %edx
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
.globl SYMNAME(blit_4_8_czt)
SYMLABEL(blit_4_8_czt)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
pushl %edx
movb 0x18(%esp,1),%bl
movb 0x1c(%esp,1),%bh
movb 0x20(%esp,1),%dl
movb 0x24(%esp,1),%dh
movb 0x2c(%esp,1),%cl
shlb %cl,%bl
shlb %cl,%bh
shlb %cl,%dl
shlb %cl,%dh
movl 0x30(%esp,1),%esi
movl 0x34(%esp,1),%edi
movb 0x28(%esp,1),%cl
0: xorl %eax,%eax
rclb %bl
rcll %eax
rclb %bh
rcll %eax
rclb %dl
rcll %eax
rclb %dh
rcll %eax
orb %al, %al
jz 1f
movb (%eax,%esi,1),%al
movb %al,(%edi)
1: incl %edi
decb %cl
jne 0b
popl %edx
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
.globl SYMNAME(blit_4_8_rev)
SYMLABEL(blit_4_8_rev)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
pushl %edx
movb 0x18(%esp,1),%bl
movb 0x1c(%esp,1),%bh
movb 0x20(%esp,1),%dl
movb 0x24(%esp,1),%dh
movb 0x2c(%esp,1),%cl
shrb %cl,%bl
shrb %cl,%bh
shrb %cl,%dl
shrb %cl,%dh
movl 0x30(%esp,1),%esi
movl 0x34(%esp,1),%edi
movb 0x28(%esp,1),%cl
0: xorl %eax,%eax
rcrb %bl
rcll %eax
rcrb %bh
rcll %eax
rcrb %dl
rcll %eax
rcrb %dh
rcll %eax
movb (%eax,%esi,1),%al
movb %al,(%edi)
incl %edi
decb %cl
jne 0b
popl %edx
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
.globl SYMNAME(blit_4_8_czt_rev)
SYMLABEL(blit_4_8_czt_rev)
pushl %esi
pushl %edi
pushl %ebx
pushl %ecx
pushl %edx
movb 0x18(%esp,1),%bl
movb 0x1c(%esp,1),%bh
movb 0x20(%esp,1),%dl
movb 0x24(%esp,1),%dh
movb 0x2c(%esp,1),%cl
shrb %cl,%bl
shrb %cl,%bh
shrb %cl,%dl
shrb %cl,%dh
movl 0x30(%esp,1),%esi
movl 0x34(%esp,1),%edi
movb 0x28(%esp,1),%cl
0: xorl %eax,%eax
rcrb %bl
rcll %eax
rcrb %bh
rcll %eax
rcrb %dl
rcll %eax
rcrb %dh
rcll %eax
orb %al, %al
jz 1f
movb (%eax,%esi,1),%al
movb %al,(%edi)
1: incl %edi
decb %cl
jne 0b
popl %edx
popl %ecx
popl %ebx
popl %edi
popl %esi
ret
/*
* $Log: blitters.S,v $
* Revision 1.1 1999/02/21 23:32:34 nyef
* Initial revision
*
*/