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https://github.com/RaySollium99/picodrive.git
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sms wip: random tweaks, refactoring (palette, sound stuff, etc)
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@764 be3aeb3a-fb24-0410-a615-afba39da0efa
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parent
460603fa81
commit
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13 changed files with 168 additions and 136 deletions
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@ -13,7 +13,6 @@
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@ to 00000000 rrr00000 ggg00000 bbb00000 ...
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@ lr = 0x00e000e0, out: r3=lower_pix, r2=higher_pix; trashes rin
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@ if sh==2, r8=0x00404040 (sh!=0 destroys flags!)
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.macro convRGB32_2 rin sh=0
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and r2, lr, \rin, lsr #4 @ blue
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and r3, \rin, lr
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@ -59,16 +58,19 @@
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.endif
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orr r2, r2, r2, lsr #3
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.if \sh == 1
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str r2, [r0, #0x40*2*4]
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.endif
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str r2, [r0], #4
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.endm
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.global vidConvCpyRGB32 @ void *to, void *from, int pixels
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.global bgr444_to_rgb32 @ void *to, void *from
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vidConvCpyRGB32:
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bgr444_to_rgb32:
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stmfd sp!, {r4-r7,lr}
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mov r12, r2, lsr #3 @ repeats
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mov r12, #0x40>>3 @ repeats
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mov lr, #0x00e00000
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orr lr, lr, #0x00e0
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@ -80,19 +82,18 @@ vidConvCpyRGB32:
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convRGB32_2 r5
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convRGB32_2 r6
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convRGB32_2 r7
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bgt .loopRGB32
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ldmfd sp!, {r4-r7,lr}
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bx lr
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ldmfd sp!, {r4-r7,pc}
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.global vidConvCpyRGB32sh @ void *to, void *from, int pixels
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.global bgr444_to_rgb32_sh @ void *to, void *from
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vidConvCpyRGB32sh:
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bgr444_to_rgb32_sh:
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stmfd sp!, {r4-r7,lr}
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mov r12, r2, lsr #3 @ repeats
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mov r12, #0x40>>3 @ repeats
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add r0, r0, #0x40*4
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mov lr, #0x00e00000
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orr lr, lr, #0x00e0
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@ -104,21 +105,10 @@ vidConvCpyRGB32sh:
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convRGB32_2 r5, 1
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convRGB32_2 r6, 1
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convRGB32_2 r7, 1
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bgt .loopRGB32sh
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ldmfd sp!, {r4-r7,lr}
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bx lr
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.global vidConvCpyRGB32hi @ void *to, void *from, int pixels
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vidConvCpyRGB32hi:
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stmfd sp!, {r4-r7,lr}
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mov r12, r2, lsr #3 @ repeats
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mov lr, #0x00e00000
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orr lr, lr, #0x00e0
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mov r12, #0x40>>3 @ repeats
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sub r1, r1, #0x40*2
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.loopRGB32hi:
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ldmia r1!, {r4-r7}
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