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Better color conversion from 5 to 8 bit RGB. 

Enable sharp interpolated scaling matrix by default. Looks slightly better than AGB_FIRM.
This commit is contained in:
profi200 2020-08-04 16:56:33 +02:00
parent c510a2e4e4
commit acbd4d0370
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GPG Key ID: 17B42AE5911139F3
2 changed files with 7 additions and 7 deletions
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12
source/arm11/hardware/lgyfb.c
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@ -107,8 +107,8 @@ static void setScaleMatrixTop(u32 len, u32 patt, const s16 matrix[6][8])
for(u32 j = 0; j < len; j++)
{
const s16 tmp = matrix[i][j];
REG_LGYFB_TOP_V_MATRIX[i][j] = tmp;
REG_LGYFB_TOP_H_MATRIX[i][j] = tmp;
REG_LGYFB_TOP_V_MATRIX[i][j] = tmp * 0xFF / 0xF8 + 8;
REG_LGYFB_TOP_H_MATRIX[i][j] = tmp + 8;
}
}
}
@ -140,12 +140,12 @@ void LGYFB_init(void)
static const s16 scaleMatrix[6][8] =
{
// Original from AGB_FIRM.
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-3]
/*{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-3]
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-2]
{ 0, 0x2000, 0x4000, 0, 0x2000, 0x4000, 0, 0}, // in[-1]
{0x4000, 0x2000, 0, 0x4000, 0x2000, 0, 0, 0}, // in[0]
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[1]
{ 0, 0, 0, 0, 0, 0, 0, 0} // in[2]
{ 0, 0, 0, 0, 0, 0, 0, 0}*/ // in[2]
// out[0] out[1] out[2] out[3] out[4] out[5] out[6] out[7]
// Razor sharp (pixel duplication).
@ -158,12 +158,12 @@ void LGYFB_init(void)
// out[0] out[1] out[2] out[3] out[4] out[5] out[6] out[7]
// Sharp interpolated.
/*{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-3]
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-3]
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[-2]
{ 0, 0, 0x2000, 0, 0, 0x2000, 0, 0}, // in[-1]
{0x4000, 0x4000, 0x2000, 0x4000, 0x4000, 0x2000, 0, 0}, // in[0]
{ 0, 0, 0, 0, 0, 0, 0, 0}, // in[1]
{ 0, 0, 0, 0, 0, 0, 0, 0}*/ // in[2]
{ 0, 0, 0, 0, 0, 0, 0, 0} // in[2]
// out[0] out[1] out[2] out[3] out[4] out[5] out[6] out[7]
};
setScaleMatrixTop(6, 0b00011011, scaleMatrix);

2
source/arm9/arm7_stub.s
View File

@ -42,7 +42,7 @@ wait_vcount_160_lp:
.global _arm7_stub_swi
_arm7_stub_swi = . - _arm7_stub_start + 0x80BFE00 @ Final ARM9 mem location.
swi 0x01 @ RegisterRamReset
mov r0, #0xBC @ Function 0xB4 but skipping r2 & r4 loading.
mov r0, #0xBC @ SoftReset (0xB4) but skipping r2 & r4 loading.
mov r2, #0
bx r0