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pff... README, 2nd try

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kub 2019-08-21 18:43:28 +02:00
parent 0f7a30ede3
commit e5274cc92d
2 changed files with 44 additions and 42 deletions
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45
README.md
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@ -36,48 +36,9 @@ opendingux|opendingux with ubuntu mips gcc 5.4|CROSS_COMPILE=mipsel-linux-gnu- C
gcw0|gcw0|CROSS_COMPILE=mipsel-gcw0-linux-uclibc- CFLAGS="-I$TC/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/include -I$TC/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/include/SDL -fno-stack-protector -fno-common -finline-limit=42 -fipa-pta" LDFLAGS="--sysroot $TC/usr/mipsel-gcw0-linux-uclibc/sysroot" ./configure --platform=gcw0
For gp2x, wiz, and caanoo you may need to compile libpng first, and additionally
this patch may need to be applied to the cpu/cyclone submodule:
> diff --git a/OpArith.cpp b/OpArith.cpp
> index 96c7e0d..09517b8 100644
> --- a/OpArith.cpp
> +++ b/OpArith.cpp
> @@ -425,7 +425,7 @@ int OpAbcd(int op)
> ot(" add r1,r1,r0\n");
> ot(" add r1,r1,r6\n");
> ot(" mov r12,r1\n");
> - ot(" addhi r12,#6 ;@ Decimal adjust units\n");
> + ot(" addhi r12,r12,#6 ;@ Decimal adjust units\n");
> ot(" tst r1,#0x80\n");
> ot(" orreq r10,r10,#0x10000000 ;@ Undefined V behavior\n");
> ot(" cmp r12,#0x9f\n");
> @@ -452,7 +452,7 @@ int OpAbcd(int op)
> ot(" cmp r1,r12\n");
> ot(" orrlt r10,r10,#0x20000000 ;@ C\n");
> ot(" cmp r1,#0xff\n");
> - ot(" addhi r1,#0xa0\n");
> + ot(" addhi r1,r1,#0xa0\n");
> ot(" sub r12,r1,r12\n");
> ot(" movs r0,r12,lsl #24\n");
> ot(" bicmi r10,r10,#0x10000000 ;@ Undefined V behavior part II\n");
> diff --git a/OpLogic.cpp b/OpLogic.cpp
> index 012e35a..d40d814 100644
> --- a/OpLogic.cpp
> +++ b/OpLogic.cpp
> @@ -74,12 +74,12 @@ const char *TestCond(int m68k_cc, int invert)
> break;
> case 0x0e: // gt
> ot(" eor r0,r10,r10,lsl #3 ;@ gt: !Z && N == V\n");
> - ot(" orrs r0,r10,lsl #1\n");
> + ot(" orrs r0,r0,r10,lsl #1\n");
> cond="pl", icond="mi";
> break;
> case 0x0f: // le
> ot(" eor r0,r10,r10,lsl #3 ;@ le: Z || N != V\n");
> - ot(" orrs r0,r10,lsl #1\n");
> + ot(" orrs r0,r0,r10,lsl #1\n");
> cond="mi", icond="pl";
> break;
> default:
cyclone_gp2x.patch may need to be applied to the cpu/cyclone submodule:
> patch -d cpu/cyclone -p1 <cyclone_gp2x.patch
After configure, compile with

41
cyclone_gp2x.patch Normal file
View file

@ -0,0 +1,41 @@
diff --git a/OpArith.cpp b/OpArith.cpp
index 96c7e0d..09517b8 100644
--- a/OpArith.cpp
+++ b/OpArith.cpp
@@ -425,7 +425,7 @@ int OpAbcd(int op)
ot(" add r1,r1,r0\n");
ot(" add r1,r1,r6\n");
ot(" mov r12,r1\n");
- ot(" addhi r12,#6 ;@ Decimal adjust units\n");
+ ot(" addhi r12,r12,#6 ;@ Decimal adjust units\n");
ot(" tst r1,#0x80\n");
ot(" orreq r10,r10,#0x10000000 ;@ Undefined V behavior\n");
ot(" cmp r12,#0x9f\n");
@@ -452,7 +452,7 @@ int OpAbcd(int op)
ot(" cmp r1,r12\n");
ot(" orrlt r10,r10,#0x20000000 ;@ C\n");
ot(" cmp r1,#0xff\n");
- ot(" addhi r1,#0xa0\n");
+ ot(" addhi r1,r1,#0xa0\n");
ot(" sub r12,r1,r12\n");
ot(" movs r0,r12,lsl #24\n");
ot(" bicmi r10,r10,#0x10000000 ;@ Undefined V behavior part II\n");
diff --git a/OpLogic.cpp b/OpLogic.cpp
index 012e35a..d40d814 100644
--- a/OpLogic.cpp
+++ b/OpLogic.cpp
@@ -74,12 +74,12 @@ const char *TestCond(int m68k_cc, int invert)
break;
case 0x0e: // gt
ot(" eor r0,r10,r10,lsl #3 ;@ gt: !Z && N == V\n");
- ot(" orrs r0,r10,lsl #1\n");
+ ot(" orrs r0,r0,r10,lsl #1\n");
cond="pl", icond="mi";
break;
case 0x0f: // le
ot(" eor r0,r10,r10,lsl #3 ;@ le: Z || N != V\n");
- ot(" orrs r0,r10,lsl #1\n");
+ ot(" orrs r0,r0,r10,lsl #1\n");
cond="mi", icond="pl";
break;
default: