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loading msgs, bugfixes

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@69 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2007-03-16 20:59:11 +00:00
parent 7336a99a49
commit 66fdc0f0d5
13 changed files with 93 additions and 49 deletions
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10
cpu/Cyclone/Main.cpp
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@ -86,11 +86,10 @@ static void PrintException(int ints)
void CheckInterrupt(int op)
{
ot(";@ CheckInterrupt:\n");
ot(" ldr r0,[r7,#0x44]\n"); // same as ldrb r0,[r7,#0x47]
ot(" movs r0,r0,lsr #24 ;@ Get IRQ level (loading word is faster)\n");
ot(" ldr r1,[r7,#0x44] ;@ Get SR high T_S__III and irq level\n");
ot(" movs r0,r1,lsr #24 ;@ Get IRQ level\n"); // same as ldrb r0,[r7,#0x47]
ot(" beq NoInts%x\n",op);
ot(" cmp r0,#6 ;@ irq>6 ?\n");
ot(" ldrleb r1,[r7,#0x44] ;@ Get SR high: T_S__III\n");
ot(" andle r1,r1,#7 ;@ Get interrupt mask\n");
ot(" cmple r0,r1 ;@ irq<=6: Is irq<=mask ?\n");
ot(" blgt CycloneDoInterrupt\n");
@ -113,15 +112,14 @@ static void PrintFramework()
ot(" ldr r5,[r7,#0x5c] ;@ r5 = Cycles\n");
ot(" ldr r4,[r7,#0x40] ;@ r4 = Current PC + Memory Base\n");
ot(" ;@ r8 = Current Opcode\n");
ot(" ldr r0,[r7,#0x44]\n");
ot(" ldr r1,[r7,#0x44] ;@ Get SR high T_S__III and irq level\n");
ot(" mov r9,r9,lsl #28 ;@ r9 = Flags 0xf0000000, cpsr format\n");
ot(" ;@ r10 = Source value / Memory Base\n");
ot("\n");
ot(";@ CheckInterrupt:\n");
ot(" movs r0,r0,lsr #24 ;@ Get IRQ level\n"); // same as ldrb r0,[r7,#0x47]
ot(" movs r0,r1,lsr #24 ;@ Get IRQ level\n"); // same as ldrb r0,[r7,#0x47]
ot(" beq NoInts0\n");
ot(" cmp r0,#6 ;@ irq>6 ?\n");
ot(" ldrleb r1,[r7,#0x44] ;@ Get SR high: T_S__III\n");
ot(" andle r1,r1,#7 ;@ Get interrupt mask\n");
ot(" cmple r0,r1 ;@ irq<=6: Is irq<=mask ?\n");
ot(" blgt CycloneDoInterrupt\n");