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NOT setting upper bits on PUSH PC, minor adjustments

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@189 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2007-07-13 13:39:09 +00:00
parent c6a4c89286
commit 547045e3c6
4 changed files with 15 additions and 16 deletions
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12
cpu/Cyclone/OpBranch.cpp
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@ -243,10 +243,10 @@ int OpJsr(int op)
else
{
ot(";@ Jsr - Push old PC first\n");
ot(" sub r1,r4,r10 ;@ r1 = Old PC\n");
ot(" mov r1,r1,lsl #8\n");
ot(" ldr r0,[r7,#0x3c]\n");
ot(" mov r1,r1,asr #8\n");
ot(" sub r1,r4,r10 ;@ r1 = Old PC\n");
// ot(" mov r1,r1,lsl #8\n");
// ot(" mov r1,r1,asr #8\n");
ot(";@ Push r1 onto stack\n");
ot(" sub r0,r0,#4 ;@ Predecrement A7\n");
ot(" str r0,[r7,#0x3c] ;@ Save A7\n");
@ -438,11 +438,11 @@ int OpBranch(int op)
if (cc==1)
{
ot(";@ Bsr - remember old PC\n");
ot(" ldr r2,[r7,#0x3c]\n");
ot(" sub r1,r4,r10 ;@ r1 = Old PC\n");
if (size) ot(" add r1,r1,#%d\n",1<<size);
ot(" mov r1,r1, lsl #8\n");
ot(" ldr r2,[r7,#0x3c]\n");
ot(" mov r1,r1, asr #8\n");
// ot(" mov r1,r1, lsl #8\n");
// ot(" mov r1,r1, asr #8\n");
ot("\n");
ot(";@ Push r1 onto stack\n");
ot(" sub r0,r2,#4 ;@ Predecrement A7\n");