RaySollium99/picodrive
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rework sr

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note to self:

h32 0x10A .. 0x127 0x1D2 .. 0x1FF 0x000 .. 0x109
pclk      30      |      46      |      266      = 342
hbset       0x126        ...       0x009
pclk   29  |      1   +  46    +  10    |  256
mclk   290 |           570              |  2560  = 3420
68kclk 41.4            81.4               365.7 ~= 488.5

h40 0x14A .. 0x16C 0x1C9 .. 0x1FF 0x000 .. 0x149
pclk      35      |      55      |      330      = 420
hbset       0x166        ...       0x00A
pclk   28  |      7   +  55    +  11    |  319
mclk  28*8 | 7*8   4*8+314+10+(18+11)*8 | 319*8  = 3420
68kclk  32             92                 364.5 ~= 488.5
This commit is contained in:
notaz 2017-10-10 01:13:48 +03:00
parent 22814963cc
commit 0e4bde9b2d
5 changed files with 33 additions and 32 deletions
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1
pico/pico_int.h
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@ -287,6 +287,7 @@ extern SH2 sh2s[2];
#define SR_EMPT (1 << 9)
// not part of real SR
#define PVS_ACTIVE (1 << 16)
#define PVS_VB2 (1 << 17) // ignores forced blanking
struct PicoVideo
{