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| author | Max Horn | 2009-01-24 06:26:43 +0000 |
|---|---|---|
| committer | Max Horn | 2009-01-24 06:26:43 +0000 |
| commit | ab5e3db9e3d1fae2abf97cf4770c8caab8ae81cc (patch) | |
| tree | ea3933bb689b185fbb3f50fa7b56412d7063088f /graphics/scaler/hq2x_i386.asm | |
| parent | 75518d5a6ecaac63683434440ad2820864ef9903 (diff) | |
| download | scummvm-rg350-ab5e3db9e3d1fae2abf97cf4770c8caab8ae81cc.tar.gz scummvm-rg350-ab5e3db9e3d1fae2abf97cf4770c8caab8ae81cc.tar.bz2 scummvm-rg350-ab5e3db9e3d1fae2abf97cf4770c8caab8ae81cc.zip | |
Moved 565 mode specific bits of HQ2x/HQ3x asm to 'variables'
svn-id: r36034
Diffstat (limited to 'graphics/scaler/hq2x_i386.asm')
| -rw-r--r-- | graphics/scaler/hq2x_i386.asm | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/graphics/scaler/hq2x_i386.asm b/graphics/scaler/hq2x_i386.asm index 60cb0fea8b..a4bc50c979 100644 --- a/graphics/scaler/hq2x_i386.asm +++ b/graphics/scaler/hq2x_i386.asm @@ -49,7 +49,8 @@ const14 dd 0x000E000E,0x0000000E threshold dd 0x00300706,0x00000000 ; FIXME: zerlowbits assumes 565 mode. ; Also, in the code, the constant 0x0821 is used which also assumes 565 mode -zerolowbits dd 0xF7DEF7DE +highbits dd 0xF7DEF7DE +lowbits dd 0x0821 moduloSrc dd 0 moduloDst dd 0 @@ -136,12 +137,12 @@ SECTION .text mov ecx,%3 cmp edx,ecx je %%fin - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 - and ecx,[zerolowbits] + add ecx,[lowbits] + and ecx,[highbits] add edx,ecx shr edx,1 %%fin: @@ -155,17 +156,17 @@ SECTION .text mov ecx,%4 cmp edx,ecx je %%fin1 - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 + add ecx,[lowbits] %%fin1: mov edx,%2 cmp edx,ecx je %%fin2 - and ecx,[zerolowbits] - and edx,[zerolowbits] + and ecx,[highbits] + and edx,[highbits] add edx,ecx shr edx,1 %%fin2: @@ -179,8 +180,8 @@ SECTION .text mov ecx,%3 cmp edx,ecx je %%fin - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add edx,ecx shr edx,1 %%fin: @@ -1728,12 +1729,12 @@ _hq2x_16: shl eax,16 or eax,edx mov ecx,[w2] - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 - and ecx,[zerolowbits] + add ecx,[lowbits] + and ecx,[highbits] add edx,ecx shr edx,1 mov ecx,edx @@ -1745,12 +1746,12 @@ _hq2x_16: ..@cross2: shl eax,16 mov ecx,[w4] - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 - and ecx,[zerolowbits] + add ecx,[lowbits] + and ecx,[highbits] add edx,ecx shr edx,1 or eax,edx @@ -1759,12 +1760,12 @@ _hq2x_16: jmp .loopx_end ..@cross4: mov ecx,[w6] - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 - and ecx,[zerolowbits] + add ecx,[lowbits] + and ecx,[highbits] add edx,ecx shr edx,1 shl edx,16 @@ -1777,12 +1778,12 @@ _hq2x_16: shl eax,16 or eax,edx mov ecx,[w8] - and edx,[zerolowbits] - and ecx,[zerolowbits] + and edx,[highbits] + and ecx,[highbits] add ecx,edx shr ecx,1 - add ecx,0x0821 - and ecx,[zerolowbits] + add ecx,[lowbits] + and ecx,[highbits] add edx,ecx shr edx,1 mov ecx,edx |