Mercurial > hg > Members > kono > nitros9-code
changeset 1996:abf447bacf71
Added code to deal with V/MD
| author | boisy |
|---|---|
| date | Sun, 19 Feb 2006 17:10:26 +0000 |
| parents | 2bb2f8b975b0 |
| children | 7a139783c287 |
| files | 3rdparty/p2mods/noice/noice.asm |
| diffstat | 1 files changed, 36 insertions(+), 1 deletions(-) [+] |
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--- a/3rdparty/p2mods/noice/noice.asm Sun Feb 19 15:09:42 2006 +0000 +++ b/3rdparty/p2mods/noice/noice.asm Sun Feb 19 17:10:26 2006 +0000 @@ -437,6 +437,32 @@ stb ,x+ DP ldb R$CC,y stb ,x+ CC + + IFNE H6309 +* All this code is necessary to get the value of MD +* Note: bits 2-5 are unused + clrb + bitmd #%00000001 + beq md1 + incb set bit 0 +md1 bitmd #%00000010 + beq md6 + orb #%00000010 set bit 1 +md6 bitmd #%01000000 + beq md7 + orb #%01000000 +md7 bitmd #%10000000 + beq tfrmd + orb #%10000000 +tfrmd stb ,x+ MD + + +* V register + tfr v,d + exg a,b + std ,x++ V + ENDC + ldd R$PC,y exg a,b std ,x++ PC @@ -444,7 +470,7 @@ ldd P$SP,y exg a,b std combuff+4,u - bsr _sendtohost + lbsr _sendtohost lbra mainloop @@ -475,6 +501,15 @@ stb R$DP,y ldb ,x+ stb R$CC,y + + IFNE H6309 + ldb ,x+ MD register + + ldd ,x++ + exg a,b + tfr d,v V register + ENDC + ldd ,x++ exg a,b std R$PC,y