diff options
Diffstat (limited to 'backends/PalmOS/Src/arm')
| -rw-r--r-- | backends/PalmOS/Src/arm/ArmNative.h | 43 | ||||
| -rw-r--r-- | backends/PalmOS/Src/arm/PNOMain.cpp | 60 | ||||
| -rw-r--r-- | backends/PalmOS/Src/arm/copy_rect.cpp | 27 | ||||
| -rw-r--r-- | backends/PalmOS/Src/arm/wide_landscape.cpp | 30 | ||||
| -rw-r--r-- | backends/PalmOS/Src/arm/wide_portrait.cpp | 43 |
5 files changed, 203 insertions, 0 deletions
diff --git a/backends/PalmOS/Src/arm/ArmNative.h b/backends/PalmOS/Src/arm/ArmNative.h new file mode 100644 index 0000000000..2a85104b97 --- /dev/null +++ b/backends/PalmOS/Src/arm/ArmNative.h @@ -0,0 +1,43 @@ +#ifndef _ARMNATIVE_H_ +#define _ARMNATIVE_H_ + +#ifdef WIN32 + #include "testing/SimNative.h" + #include "testing/oscalls.h" +#endif + +// functions +typedef unsigned long (*PnoProc)(void *userData68KP); + +#define DECLARE(x) unsigned long x(void *userData68KP); + +typedef struct { + UInt32 func; + void *dst; + void *src; + +} DataOSysWideType , *DataOSysWidePtr; + +typedef struct { + UInt32 func; + void *dst; + const void *buf; + UInt32 pitch, _offScreenPitch; + UInt32 w, h; +} DataOSysCopyRectType, *DataOSysCopyRectPtr; + +DECLARE(OSystem_PALMOS_update_screen__wide_portrait) +DECLARE(OSystem_PALMOS_update_screen__wide_landscape) +DECLARE(OSystem_PALMOS_copy_rect) + +// rsrc +#define ARMCODE_1 1000 + +// function indexes +enum { + kOSysWidePortrait = 0, + kOSysWideLandscape, + kOSysCopyRect +}; + +#endif
\ No newline at end of file diff --git a/backends/PalmOS/Src/arm/PNOMain.cpp b/backends/PalmOS/Src/arm/PNOMain.cpp new file mode 100644 index 0000000000..6fc59e0000 --- /dev/null +++ b/backends/PalmOS/Src/arm/PNOMain.cpp @@ -0,0 +1,60 @@ +#include "PACEInterfaceLib.h" +#include "ArmNative.h" + +// Linker still looks for ARMlet_Main as entry point, but the +// "ARMlet" name is now officially discouraged. Compare an +// contrast to "PilotMain" for 68K applications. +#define PNO_Main ARMlet_Main +// entry point +extern "C" +unsigned long PNO_Main(const void *emulStateP, void *userData68KP, Call68KFuncType *call68KFuncP); + +#ifndef WIN32 + +#pragma thumb off +asm void * __ARMlet_Take_Func_Addr__(void *f) +{ + sub r0, r0, r10 // 0 convert pointer to zero-based address + ldr r12, [pc, #8] // 4 load zero-based address of this routine plus offset into r12 + sub r12, pc, r12 // 8 compute start of PNO by subtracting this from PC + add r0, r0, r12 // 12 add PNO start to function pointer + bx lr // 16 return to caller + dcd __ARMlet_Take_Func_Addr__ + 16 // 20 +} +#pragma thumb reset + +#else +#define __ARMlet_Take_Func_Addr__(x) x +#endif + +unsigned long PNO_Main(const void *emulStateP, void *userData68KP, Call68KFuncType *call68KFuncP) { +/* const PnoProc call[] = { + (PnoProc)__ARMlet_Take_Func_Addr__(OSystem_PALMOS_update_screen__wide_portrait), + (PnoProc)__ARMlet_Take_Func_Addr__(OSystem_PALMOS_update_screen__wide_landscape), + //OSystem_PALMOS_copy_rect + }; +*/ +#ifndef WIN32 + // needed before making any OS calls using the + // PACEInterface library + InitPACEInterface(emulStateP, call68KFuncP); +#else + global.call68KFuncP = call68KFuncP; + global.emulStateP = emulStateP; + global.userData68KP = userData68KP; +#endif + + UInt32 run = ByteSwap32(*(UInt32 *)userData68KP); + + switch (run) { + case 0: + OSystem_PALMOS_update_screen__wide_portrait(userData68KP); + break; + case 1: + OSystem_PALMOS_update_screen__wide_landscape(userData68KP); + break; + } + + return 0; +// return call[run](userData68KP); +} diff --git a/backends/PalmOS/Src/arm/copy_rect.cpp b/backends/PalmOS/Src/arm/copy_rect.cpp new file mode 100644 index 0000000000..64aa1df69c --- /dev/null +++ b/backends/PalmOS/Src/arm/copy_rect.cpp @@ -0,0 +1,27 @@ +#include "PACEInterfaceLib.h" +#include "ArmNative.h" +#include "endianutils.h" +#include "../shared.h" + +unsigned long OSystem_PALMOS_copy_rect(void *userData68KP) { + UInt8* dataP = (UInt8 *)userData68KP; + + UInt8 *dst = (UInt8 *)ReadUnaligned32(dataP + 2); // ->dst + UInt8 *buf = (UInt8 *)ReadUnaligned32(dataP + 6); // ->buf + UInt32 pitch = ReadUnaligned32(dataP + 10); // ->pitch + UInt32 _offScreenPitch = ReadUnaligned32(dataP + 14); // ->_offScreenPitch + UInt32 w = ReadUnaligned32(dataP + 18); // ->w + UInt32 h = ReadUnaligned32(dataP + 22); // ->h + + if (_offScreenPitch == pitch && pitch == w) { + MemMove(dst, buf, h * w); + } else { + do { + MemMove(dst, buf, w); + dst += _offScreenPitch; + buf += pitch; + } while (--h); + } + + return 0; +}
\ No newline at end of file diff --git a/backends/PalmOS/Src/arm/wide_landscape.cpp b/backends/PalmOS/Src/arm/wide_landscape.cpp new file mode 100644 index 0000000000..8590c8cd0e --- /dev/null +++ b/backends/PalmOS/Src/arm/wide_landscape.cpp @@ -0,0 +1,30 @@ +#include "PACEInterfaceLib.h" +#include "ArmNative.h" +#include "endianutils.h" +#include "../shared.h" + +unsigned long OSystem_PALMOS_update_screen__wide_landscape(void *userData68KP) { + DataOSysWidePtr dataP = (DataOSysWideType *)userData68KP; + + Coord x, y; + UInt8 *dst = (UInt8 *)ReadUnaligned32(&(dataP->dst)); + UInt8 *src = (UInt8 *)ReadUnaligned32(&(dataP->src)); + + for (y = 0; y < WIDE_HALF_HEIGHT; y++) { + for (x = 0; x < WIDE_HALF_WIDTH; x++) { + *dst++ = *src++; + *dst++ = *src; + *dst++ = *src++; + } + for (x = 0; x < WIDE_HALF_WIDTH; x++) { + *dst++ = *src++; + *dst++ = *src; + *dst++ = *src++; + } + + MemMove(dst, dst - 480, 480); + dst += 480; + } + + return 0; +} diff --git a/backends/PalmOS/Src/arm/wide_portrait.cpp b/backends/PalmOS/Src/arm/wide_portrait.cpp new file mode 100644 index 0000000000..7e4213137e --- /dev/null +++ b/backends/PalmOS/Src/arm/wide_portrait.cpp @@ -0,0 +1,43 @@ +#include "PACEInterfaceLib.h" +#include "ArmNative.h" +#include "endianutils.h" +#include "../shared.h" + +unsigned long OSystem_PALMOS_update_screen__wide_portrait(void *userData68KP) { + DataOSysWidePtr dataP = (DataOSysWideType *)userData68KP; + + Coord x, y; + UInt8 *dst = (UInt8 *)ReadUnaligned32(&(dataP->dst)); + UInt8 *src1 = (UInt8 *)ReadUnaligned32(&(dataP->src)); + UInt8 *src2 = src1; + + for (x = 0; x < WIDE_HALF_WIDTH; x++) + { + for (y = 0; y < WIDE_HALF_HEIGHT; y++) + { + *dst++ = *src1; + src1 += WIDE_PITCH; + *dst++ = *src1; + *dst++ = *src1; + src1 += WIDE_PITCH; + } + src1 = --src2; + dst += 20; // we draw 200pix scaled to 1.5 = 300, screen width=320, so next is 20 + + for (y = 0; y < WIDE_HALF_HEIGHT; y++) + { + *dst++ = *src1; + src1 += WIDE_PITCH; + *dst++ = *src1; + *dst++ = *src1; + src1 += WIDE_PITCH; + } + src1 = --src2; + dst += 20; + + MemMove(dst, dst - WIDE_PITCH, 300); // 300 = 200 x 1.5 + dst += WIDE_PITCH; + } + + return 0; +}
\ No newline at end of file |