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https://frontier.innolan.net/github/amigaos-cross-toolchain6.git
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166 lines
2.2 KiB
ArmAsm
Executable File
166 lines
2.2 KiB
ArmAsm
Executable File
#NO_APP
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.text
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.align 2
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.globl _palette_fadeTo
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_palette_fadeTo:
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subq.l #8,sp
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movem.l #16190,-(sp)
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move.l a0,48(sp)
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and.l #65535,d0
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move.l d0,a5
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move.w d1,d0
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lsr.w #8,d0
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moveq #12,d2
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lsl.l d2,d0
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and.l #61440,d0
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move.l d0,a4
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move.w d1,d7
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lsr.w #4,d7
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lsl.l d2,d7
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and.l #61440,d7
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lsl.l d2,d1
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move.l d1,d6
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and.l #61440,d6
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moveq #0,d5
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lea ___mulsi3,a2
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.L2:
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cmp.w #0,a5
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jeq .L8
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move.l _custom,a6
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move.l 48(sp),a3
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moveq #0,d4
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.L6:
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move.w (a3)+,d2
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move.w d2,d0
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lsr.w #8,d0
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moveq #15,d1
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and.l d1,d0
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lsl.l #8,d0
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sub.l a4,d0
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jmi .L20
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asr.l #4,d0
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move.l d5,-(sp)
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move.l d0,-(sp)
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jsr (a2)
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addq.l #8,sp
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add.l a4,d0
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moveq #-1,d1
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not.b d1
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and.l d0,d1
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move.l d1,44(sp)
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moveq #15,d0
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and.l d2,d0
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lsl.l #8,d0
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sub.l d6,d0
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jmi .L21
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.L4:
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asr.l #4,d0
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move.l d5,-(sp)
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move.l d0,-(sp)
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jsr (a2)
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addq.l #8,sp
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move.l d0,d3
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add.l d6,d3
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asr.l #8,d3
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or.w 46(sp),d3
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lsr.w #4,d2
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moveq #15,d0
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and.l d0,d2
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lsl.l #8,d2
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sub.l d7,d2
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jmi .L22
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.L5:
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asr.l #4,d2
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move.l d5,-(sp)
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move.l d2,-(sp)
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jsr (a2)
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addq.l #8,sp
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add.l d7,d0
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asr.l #8,d0
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lsl.l #4,d0
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or.w d0,d3
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move.l d4,d0
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add.l d4,d0
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move.w d3,(a6,d0.l)
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addq.l #1,d4
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cmp.l d4,a5
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jne .L6
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.L8:
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jsr _hw_waitVerticalBlank
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addq.l #1,d5
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moveq #16,d1
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cmp.l d5,d1
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jne .L2
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cmp.w #0,a5
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jeq .L10
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move.l _custom,a2
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move.l 48(sp),a0
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moveq #0,d0
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.L9:
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move.w (a0)+,a1
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move.l d0,d1
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add.l d0,d1
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move.w a1,(a2,d1.l)
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addq.l #1,d0
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cmp.l d0,a5
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jne .L9
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.L10:
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move.l 48(sp),a0
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move.w (a0),_palette_background
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movem.l (sp)+,#31996
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addq.l #8,sp
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rts
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.L20:
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add.l d1,d0
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asr.l #4,d0
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move.l d5,-(sp)
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move.l d0,-(sp)
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jsr (a2)
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addq.l #8,sp
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add.l a4,d0
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moveq #-1,d1
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not.b d1
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and.l d0,d1
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move.l d1,44(sp)
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moveq #15,d0
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and.l d2,d0
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lsl.l #8,d0
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sub.l d6,d0
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jpl .L4
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.L21:
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moveq #15,d1
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add.l d1,d0
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asr.l #4,d0
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move.l d5,-(sp)
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move.l d0,-(sp)
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jsr (a2)
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addq.l #8,sp
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move.l d0,d3
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add.l d6,d3
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asr.l #8,d3
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or.w 46(sp),d3
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lsr.w #4,d2
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moveq #15,d0
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and.l d0,d2
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lsl.l #8,d2
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sub.l d7,d2
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jpl .L5
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.L22:
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add.l d0,d2
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asr.l #4,d2
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move.l d5,-(sp)
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move.l d2,-(sp)
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jsr (a2)
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addq.l #8,sp
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add.l d7,d0
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asr.l #8,d0
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lsl.l #4,d0
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or.w d0,d3
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move.l d4,d0
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add.l d4,d0
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move.w d3,(a6,d0.l)
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addq.l #1,d4
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cmp.l d4,a5
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jne .L6
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jra .L8
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