Fixed audio playing

[kvidha.git] / newdb.asm

.global _DBFillScreen\r
_DBFillScreen:\r
    push %edi\r
    mov $64000, %ecx\r
    mov 8(%esp), %eax\r
    mov _DblBuffer, %edi\r
    cld\r
    rep stosl\r
    pop %edi\r
    ret\r
\r
.global _DBPSet\r
_DBPSet:\r
    mov 4(%esp), %ecx\r
    mov 8(%esp), %edx\r
    mov %edx, %eax\r
    shl $8, %edx\r
    shl $10, %eax\r
    add %edx, %eax\r
    lea _DblBuffer(%eax, %ecx, 4), %eax\r
    mov 12(%esp), %edx\r
    mov %edx, (%eax)\r
    ret\r
\r
.global _DBPSetCAsm\r
_DBPSetCAsm:\r
    push %ebp\r
    mov %esp, %ebp\r
    mov 8(%ebp), %ecx\r
    mov 12(%ebp), %edx\r
    cmp (_clip_x1), %ecx\r
    jl _DBPSetCAsmEnd\r
    cmp (_clip_x2), %ecx\r
    jg _DBPSetCAsmEnd\r
    cmp (_clip_y1), %edx\r
    jl _DBPSetCAsmEnd\r
    cmp (_clip_y2), %edx\r
    jg _DBPSetCAsmEnd\r
    mov %edx, %eax\r
    shl $8, %edx\r
    shl $10, %eax\r
    add %edx, %eax\r
    lea _DblBuffer(%eax, %ecx, 4), %eax\r
    mov 16(%ebp), %edx\r
    mov %edx, (%eax)\r
_DBPSetCAsmEnd:\r
    pop %ebp\r
    ret\r
\r
.global _DBCopyBufferAsm\r
_DBCopyBufferAsm:\r
    push %ebp\r
    mov %esp, %ebp\r
    mov 12(%ebp), %eax\r
    mov $320, %ebx\r
    mul %ebx\r
    add 8(%ebp), %eax\r
    shl $2, %eax\r
    add _DblBuffer, %eax\r
    mov %eax, %edi\r
    mov 16(%ebp), %esi\r
    mov 20(%ebp), %eax\r
    mov $320, %ecx\r
    sub %eax, %ecx\r
    inc %eax\r
    shl $2, %ecx\r
    mov 28(%ebp), %ebx\r
_DBCopyBufferLoop:\r
    dec %eax\r
    jz _DBCopyBufferRowEnd\r
    mov (%esi), %edx\r
    cmp %edx, %ebx\r
    jz _DBCopyBufferAddOffsets\r
    mov %edx, (%edi)\r
_DBCopyBufferAddOffsets:\r
    add $4, %esi\r
    add $4, %edi\r
    jmp _DBCopyBufferLoop\r
_DBCopyBufferRowEnd:\r
    decw 24(%ebp)\r
    jz _DBCopyBufferEnd\r
    mov 20(%ebp), %eax\r
    inc %eax\r
    add %ecx, %edi\r
    jmp _DBCopyBufferLoop\r
_DBCopyBufferEnd:\r
    pop %ebp\r
    ret\r
\r
.global _DisplayDBAsm\r
_DisplayDBAsm:\r
    push %ecx\r
    push %esi\r
    push %edi\r
    mov $64000, %ecx\r
    mov _DblBuffer, %esi\r
    mov _VBuffer, %edi\r
    cld\r
    rep movsl\r
    pop %edi\r
    pop %esi\r
    pop %ecx\r
    /*dec %ecx\r
_DisplayDBAsmLoop:\r
    mov (%esi,%ecx,4), %eax\r
    mov %eax, (%edi,%ecx,4)\r
    dec %ecx\r
    jnz _DisplayDBAsmLoop*/\r
    ret\r
\r
.global _MakeFarCall\r
_MakeFarCall:\r
    movl 12(%esp), %ebx\r
    movw 4(%ebx), %fs\r
    movl (%ebx), %esi\r
    movl %fs:(%esi), %eax\r
    .byte 38                       /*CALL FAR HWORD PTR ES:[EBX]*/\r
    .byte 255\r
    .byte 27\r
    ret\r
\r
.global _ColorAdd\r
_ColorAdd:\r
    push %esi\r
    movd 12(%esp), %mm0\r
    movl 8(%esp), %esi\r
    movd (%esi), %mm1\r
    paddusb %mm1, %mm0\r
    movd %mm0, (%esi)\r
    pop %esi\r
    emms\r
    ret\r
\r
.global _ColorSub\r
_ColorSub:\r
    push %esi\r
    movd 12(%esp), %mm0\r
    movl 8(%esp), %esi\r
    movd (%esi), %mm1\r
    psubusb %mm0, %mm1\r
    movd %mm1, (%esi)\r
    pop %esi\r
    emms\r
    ret\r
\r
.global _DBCopyBufferTransAsm\r
_DBCopyBufferTrans:\r
    push %ebp\r
    movl %esp, %ebp\r
    push %edi\r
    push %esi\r
    push %ecx\r
    movl 12(%ebp), %edi\r
    movl %edi, %eax\r
    shll $10, %eax\r
    shll $8, %edi\r
    addl %eax, %edi\r
    movl 8(%ebp), %eax\r
    addl (_DblBuffer), %edi\r
    leal (%edi, %eax, 4), %edi\r
    movl 16(%ebp), %esi\r
    movl $1280, %eax\r
    movl 20(%ebp), %ebx\r
    shll $2, %ebx\r
    subl %ebx, %eax\r
    push %eax\r
    movl 32(%ebp), %eax\r
    movl _TransOps(, %eax, 4), %eax\r
    push %eax\r
DBCopyBufferTransYLoop:\r
    movl 20(%ebp), %ecx\r
DBCopyBufferTransXLoop:\r
    movl (%esi), %eax\r
    cmpl 28(%ebp), %eax\r
    je DBCopyBufferTransAddOffsets\r
    push %ecx\r
    push %edx\r
    push %eax\r
    push %edi\r
    call *-20(%ebp)\r
    add $8, %esp\r
    pop %edx\r
    pop %ecx\r
DBCopyBufferTransAddOffsets:\r
    add $4, %edi\r
    add $4, %esi\r
    loop DBCopyBufferTransXLoop\r
    addl -16(%ebp), %edi\r
    decl 24(%ebp)\r
    jnz DBCopyBufferTransYLoop\r
    add $8, %esp\r
    pop %ecx\r
    pop %esi\r
    pop %edi\r
    pop %ebp\r
    ret\r
\r