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-rw-r--r--apps/plugins/pacbox/Makefile7
-rw-r--r--apps/plugins/pacbox/SOURCES9
-rw-r--r--apps/plugins/pacbox/arcade.c63
-rw-r--r--apps/plugins/pacbox/pacbox.c179
-rw-r--r--apps/plugins/pacbox/pacbox.h91
-rw-r--r--apps/plugins/pacbox/pacbox_arm.S130
-rw-r--r--apps/plugins/pacbox/pacbox_lcd.c105
-rw-r--r--apps/plugins/pacbox/pacbox_lcd.h31
8 files changed, 423 insertions, 192 deletions
diff --git a/apps/plugins/pacbox/Makefile b/apps/plugins/pacbox/Makefile
index 817c6d451a..0b7f4b9e15 100644
--- a/apps/plugins/pacbox/Makefile
+++ b/apps/plugins/pacbox/Makefile
@@ -19,10 +19,13 @@ endif
LINKFILE := $(OBJDIR)/link.lds
DEPFILE = $(OBJDIR)/dep-pacbox
-SRC = arcade.c pacbox.c hardware.c z80.c
+
+# This sets up 'SRC' based on the files mentioned in SOURCES
+include $(TOOLSDIR)/makesrc.inc
SOURCES = $(SRC)
-OBJS := $(SRC:%.c=$(OBJDIR)/%.o)
+OBJS2 := $(SRC:%.c=$(OBJDIR)/%.o)
+OBJS = $(patsubst %.S, $(OBJDIR)/%.o, $(OBJS2))
DIRS = .
LDS := ../plugin.lds
diff --git a/apps/plugins/pacbox/SOURCES b/apps/plugins/pacbox/SOURCES
new file mode 100644
index 0000000000..3d6145ddce
--- /dev/null
+++ b/apps/plugins/pacbox/SOURCES
@@ -0,0 +1,9 @@
+arcade.c
+pacbox.c
+hardware.c
+z80.c
+#if (CONFIG_CPU == PP5020) && (LCD_WIDTH >= 288) && (LCD_HEIGHT >= 224)
+pacbox_arm.S
+#else
+pacbox_lcd.c
+#endif
diff --git a/apps/plugins/pacbox/arcade.c b/apps/plugins/pacbox/arcade.c
index e7bf124700..dc3ea0c9ba 100644
--- a/apps/plugins/pacbox/arcade.c
+++ b/apps/plugins/pacbox/arcade.c
@@ -252,19 +252,19 @@ static unsigned decodePaletteByte( unsigned char value )
unsigned bit0, bit1, bit2;
unsigned red, green, blue;
- bit0 = (value >> 0) & 0x01;
- bit1 = (value >> 1) & 0x01;
- bit2 = (value >> 2) & 0x01;
- red = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
+ bit0 = (value >> 0) & 0x01;
+ bit1 = (value >> 1) & 0x01;
+ bit2 = (value >> 2) & 0x01;
+ red = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = (value >> 3) & 0x01;
- bit1 = (value >> 4) & 0x01;
- bit2 = (value >> 5) & 0x01;
- green = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
+ bit1 = (value >> 4) & 0x01;
+ bit2 = (value >> 5) & 0x01;
+ green = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = 0;
- bit1 = (value >> 6) & 0x01;
- bit2 = (value >> 7) & 0x01;
+ bit1 = (value >> 6) & 0x01;
+ bit2 = (value >> 7) & 0x01;
blue = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
return (blue << 16 ) | (green << 8) | red;
@@ -428,6 +428,7 @@ inline void drawSprite( unsigned char * buffer, int index )
{
struct PacmanSprite ps = sprites_[index];
int x,y;
+ char * s, * s2;
// Exit now if sprite not visible at all
if( (ps.color == 0) || (ps.x >= ScreenWidth) || (ps.y < 16) || (ps.y >= (ScreenHeight-32)) ) {
@@ -436,59 +437,77 @@ inline void drawSprite( unsigned char * buffer, int index )
// Clip the sprite coordinates to cut the parts that fall off the screen
int start_x = (ps.x < 0) ? 0 : ps.x;
- int end_x = (ps.x < (ScreenWidth-16)) ? ps.x+16 : ScreenWidth;
+ int end_x = (ps.x < (ScreenWidth-16)) ? ps.x+15 : ScreenWidth-1;
// Prepare variables for drawing
int color = (ps.color & 0x3F)*4;
unsigned char * spritemap_base = spritemap_ + ((ps.n & 0x3F)*256);
buffer += ScreenWidth*ps.y;
+ s2 = &spritemap_base[start_x-ps.x];
+
+ dirty_[(start_x >> 3) + (ps.y >> 3)*28] = 1;
+ dirty_[(start_x >> 3) + 1 + (ps.y >> 3)*28] = 1;
+ dirty_[(end_x >> 3) + (ps.y >> 3)*28] = 1;
+ dirty_[(start_x >> 3) + ((ps.y >> 3)+1)*28] = 1;
+ dirty_[(start_x >> 3) + 1 + ((ps.y >> 3)+1)*28] = 1;
+ dirty_[(end_x >> 3) + ((ps.y >> 3)+1)*28] = 1;
+ dirty_[(start_x >> 3) + ((ps.y+15) >> 3)*28] = 1;
+ dirty_[(start_x >> 3) + 1 + ((ps.y+15) >> 3)*28] = 1;
+ dirty_[(end_x >> 3) + ((ps.y+15) >> 3)*28] = 1;
// Draw the 16x16 sprite
if( ps.mode == 0 ) { // Normal
// Draw the 16x16 sprite
- for( y=0; y<16; y++ ) {
- char* s = &spritemap_base[start_x-ps.x+y*16];
- for( x=start_x; x<end_x; x++ ) {
+ for( y=15; y>=0; y-- ) {
+ s = s2;
+ for( x=start_x; x<=end_x; x++ ) {
int c = *(s++);
if( c ) {
buffer[x] = c + color;
}
}
buffer += ScreenWidth;
+ s2 += 16;
}
} else if( ps.mode == 1 ) { // Flip Y
- for( y=0; y<16; y++ ) {
- char* s = &spritemap_base[start_x-ps.x+(15-y)*16];
- for( x=start_x; x<end_x; x++ ) {
+ s2 += 240;
+ for( y=15; y>=0; y-- ) {
+ s = s2;
+ for( x=start_x; x<=end_x; x++ ) {
int c = *(s++);
if( c ) {
buffer[x] = c + color;
}
}
buffer += ScreenWidth;
+ s2 -= 16;
}
} else if( ps.mode == 2 ) { // Flip X
- for( y=0; y<16; y++ ) {
- char* s = &spritemap_base[15-start_x+ps.x+y*16];
- for( x=start_x; x<end_x; x++ ) {
+ s2 += 15;
+ for( y=15; y>=-0; y-- ) {
+ s = s2;
+ for( x=start_x; x<=end_x; x++ ) {
int c = *(s--);
if( c ) {
buffer[x] = c + color;
}
}
buffer += ScreenWidth;
+ s2 += 16;
}
} else { // Flip X and Y
- for( y=0; y<16; y++ ) {
- char* s = &spritemap_base[15-start_x+ps.x+(15-y)*16];
- for( x=start_x; x<end_x; x++ ) {
+ s2 += 255;
+ for( y=15; y>=0; y-- ) {
+ s = s2;
+ for( x=start_x; x<=end_x; x++ ) {
int c = *(s--);
if( c ) {
buffer[x] = c + color;
}
}
buffer += ScreenWidth;
+ s2 -= 16;
}
}
}
diff --git a/apps/plugins/pacbox/pacbox.c b/apps/plugins/pacbox/pacbox.c
index 7177245d9f..f989a25608 100644
--- a/apps/plugins/pacbox/pacbox.c
+++ b/apps/plugins/pacbox/pacbox.c
@@ -24,6 +24,8 @@
#include "plugin.h"
#include "arcade.h"
+#include "pacbox.h"
+#include "pacbox_lcd.h"
PLUGIN_HEADER
@@ -38,64 +40,6 @@ extern char iend[];
/* How many video frames (out of a possible 60) we display each second */
#define FPS 20
-#if CONFIG_KEYPAD == IPOD_4G_PAD
-
-#define PACMAN_UP BUTTON_RIGHT
-#define PACMAN_DOWN BUTTON_LEFT
-#define PACMAN_LEFT BUTTON_MENU
-#define PACMAN_RIGHT BUTTON_PLAY
-#define PACMAN_1UP BUTTON_SELECT
-#define PACMAN_COIN BUTTON_SELECT
-
-#elif CONFIG_KEYPAD == IRIVER_H100_PAD || CONFIG_KEYPAD == IRIVER_H300_PAD
-
-#define PACMAN_UP BUTTON_RIGHT
-#define PACMAN_DOWN BUTTON_LEFT
-#define PACMAN_LEFT BUTTON_UP
-#define PACMAN_RIGHT BUTTON_DOWN
-#define PACMAN_1UP BUTTON_SELECT
-#define PACMAN_2UP BUTTON_ON
-#define PACMAN_COIN BUTTON_REC
-#define PACMAN_MENU BUTTON_MODE
-
-#elif CONFIG_KEYPAD == GIGABEAT_PAD
-
-#define PACMAN_UP BUTTON_UP
-#define PACMAN_DOWN BUTTON_DOWN
-#define PACMAN_LEFT BUTTON_LEFT
-#define PACMAN_RIGHT BUTTON_RIGHT
-#define PACMAN_1UP BUTTON_SELECT
-#define PACMAN_2UP BUTTON_POWER
-#define PACMAN_COIN BUTTON_A
-#define PACMAN_MENU BUTTON_MENU
-
-#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
-
-#define PACMAN_UP BUTTON_RIGHT
-#define PACMAN_DOWN BUTTON_LEFT
-#define PACMAN_LEFT BUTTON_UP
-#define PACMAN_RIGHT BUTTON_DOWN
-#define PACMAN_1UP BUTTON_SELECT
-#define PACMAN_2UP BUTTON_POWER
-#define PACMAN_COIN BUTTON_REC
-#define PACMAN_MENU BUTTON_PLAY
-
-#endif
-
-#if (LCD_HEIGHT >= 288)
-#define XOFS ((LCD_WIDTH-224)/2)
-#define YOFS ((LCD_HEIGHT-288)/2)
-#elif (LCD_WIDTH >= 288)
-#define XOFS ((LCD_WIDTH-288)/2)
-#define YOFS ((LCD_HEIGHT-224)/2)
-#elif (LCD_WIDTH >= 220)
-#define XOFS ((LCD_WIDTH-(288*3/4))/2)
-#define YOFS ((LCD_HEIGHT-(224*3/4))/2)
-#elif (LCD_WIDTH >= 144)
-#define XOFS ((LCD_WIDTH-288/2)/2)
-#define YOFS ((LCD_HEIGHT-224/2)/2)
-#endif
-
struct plugin_api* rb;
unsigned framesPerSecond = VideoFrequency;
@@ -180,31 +124,6 @@ int settings_to_dip(struct pacman_settings settings)
);
}
-
-
-int pacbox_menu_cb(int key, int m)
-{
- (void)m;
- switch(key)
- {
-#ifdef MENU_ENTER2
- case MENU_ENTER2:
-#endif
- case MENU_ENTER:
- key = BUTTON_NONE; /* eat the downpress, next menu reacts on release */
- break;
-
-#ifdef MENU_ENTER2
- case MENU_ENTER2 | BUTTON_REL:
-#endif
- case MENU_ENTER | BUTTON_REL:
- key = MENU_ENTER; /* fake downpress, next menu doesn't like release */
- break;
- }
-
- return key;
-}
-
bool pacbox_menu(void)
{
int m;
@@ -253,7 +172,7 @@ bool pacbox_menu(void)
};
m = rb->menu_init(items, sizeof(items) / sizeof(*items),
- pacbox_menu_cb, NULL, NULL, NULL);
+ NULL, NULL, NULL, NULL);
rb->button_clear_queue();
@@ -331,14 +250,11 @@ bool pacbox_menu(void)
*/
int gameProc( void )
{
- int x,y;
+ int x;
int fps;
char str[80];
int status;
long end_time;
- unsigned char* vbuf = video_buffer;
- fb_data* dst;
- fb_data* next_dst;
/* Run the machine for one frame (1/60th second) */
run();
@@ -348,11 +264,7 @@ int gameProc( void )
/* Check the button status */
status = rb->button_status();
-#ifdef PACMAN_MENU
- if (status & PACMAN_MENU) {
-#else
- if (rb->button_hold()) {
-#endif
+ if ((status & PACMAN_MENU) == PACMAN_MENU) {
end_time = *rb->current_tick;
x = pacbox_menu();
rb->lcd_clear_display();
@@ -389,80 +301,11 @@ int gameProc( void )
the sprites on top. Even with the memcpy, this is faster than redrawing
the whole background.
*/
- renderBackground( background );
- rb->memcpy(video_buffer,background,sizeof(video_buffer));
- renderSprites( video_buffer );
-
-#ifdef HAVE_LCD_COLOR
-#if (LCD_WIDTH >= 224) && (LCD_HEIGHT >= 288)
- /* Native resolution = 224x288 */
- (void)next_dst;
- dst=&rb->lcd_framebuffer[YOFS*LCD_WIDTH+XOFS];
- for (y=0;y<ScreenHeight;y++) {
- for (x=0;x<ScreenWidth;x++) {
- *(dst++) = palette[*(vbuf++)];
- }
- dst += XOFS*2;
- }
-#elif (LCD_WIDTH >= 288) && (LCD_HEIGHT >= 224)
- /* Native resolution - rotated 90 degrees = 288x224 */
- next_dst=&rb->lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+ScreenHeight-1];
- for( y=ScreenHeight-1; y>=0; y-- ) {
- dst = (next_dst--);
- for( x=0; x<ScreenWidth; x++ ) {
- *dst = palette[*(vbuf++)];
- dst+=LCD_WIDTH;
- }
- }
-#elif (LCD_WIDTH >= 216) && (LCD_HEIGHT >= 168)
- /* 0.75 scaling - display 3 out of 4 pixels = 216x168
- Skipping pixel #2 out of 4 seems to give the most legible display
- */
- next_dst=&rb->lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+((ScreenHeight*3)/4)-1];
- for (y=ScreenHeight-1;y >= 0; y--) {
- if ((y & 3) != 1) {
- dst = (next_dst--);
- for (x=0;x<ScreenWidth;x++) {
- if ((x & 3) == 1) { vbuf++; }
- else {
- *dst = palette[*(vbuf++)];
- dst+=LCD_WIDTH;
- }
- }
- } else {
- vbuf+=ScreenWidth;
- }
- }
-#elif (LCD_WIDTH >= 144) && (LCD_HEIGHT >= 112)
- /* 0.5 scaling - display every other pixel = 144x112 */
- next_dst=&rb->lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+ScreenHeight/2-1];
- for (y=(ScreenHeight/2)-1;y >= 0; y--) {
- dst = (next_dst--);
- for (x=0;x<ScreenWidth/2;x++) {
- *dst = palette[*(vbuf)];
- vbuf+=2;
- dst+=LCD_WIDTH;
- }
- vbuf+=ScreenWidth;
- }
-#endif
-#else /* Greyscale LCDs */
-#if (LCD_WIDTH >= 144) && (LCD_HEIGHT >= 112)
-#if LCD_PIXELFORMAT == VERTICAL_PACKING
- /* 0.5 scaling - display every other pixel = 144x112 */
- next_dst=&rb->lcd_framebuffer[YOFS/4*LCD_WIDTH+XOFS+ScreenHeight/2-1];
- for (y=(ScreenHeight/2)-1;y >= 0; y--) {
- dst = (next_dst--);
- for (x=0;x<ScreenWidth/8;x++) {
- *dst = (palette[*(vbuf+6)]<<6) | (palette[*(vbuf+4)] << 4) | (palette[*(vbuf+2)] << 2) | palette[*(vbuf)];
- vbuf+=8;
- dst+=LCD_WIDTH;
- }
- vbuf+=ScreenWidth;
- }
-#endif /* Vertical Packing */
-#endif /* Size >= 144x112 */
-#endif /* Not Colour */
+
+ renderBackground( video_buffer );
+ renderSprites( video_buffer );
+
+ blit_display(rb->lcd_framebuffer,video_buffer);
if (settings.showfps) {
fps = (video_frames*HZ*100) / (*rb->current_tick-start_time);
@@ -519,7 +362,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
settings.numlives = 2; /* 3 lives */
settings.bonus = 0; /* 10000 points */
settings.ghostnames = 0; /* Normal names */
- settings.showfps = 0; /* Do not show FPS */
+ settings.showfps = 1; /* Do not show FPS */
/* Initialise the hardware */
init_PacmanMachine(settings_to_dip(settings));
diff --git a/apps/plugins/pacbox/pacbox.h b/apps/plugins/pacbox/pacbox.h
new file mode 100644
index 0000000000..84bd8a7be8
--- /dev/null
+++ b/apps/plugins/pacbox/pacbox.h
@@ -0,0 +1,91 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Pacbox - a Pacman Emulator for Rockbox
+ *
+ * Based on PIE - Pacman Instructional Emulator
+ *
+ * Copyright (c) 1997-2003,2004 Alessandro Scotti
+ * http://www.ascotti.org/
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/* Platform-specific defines - used in both C and ASM files */
+
+#ifndef _PACBOX_H
+#define _PACBOX_H
+
+#include "config.h"
+
+#if CONFIG_KEYPAD == IPOD_4G_PAD
+
+#define PACMAN_UP BUTTON_RIGHT
+#define PACMAN_DOWN BUTTON_LEFT
+#define PACMAN_LEFT BUTTON_MENU
+#define PACMAN_RIGHT BUTTON_PLAY
+#define PACMAN_1UP BUTTON_SELECT
+#define PACMAN_COIN BUTTON_SELECT
+#define PACMAN_MENU (BUTTON_MENU | BUTTON_SELECT)
+
+#elif CONFIG_KEYPAD == IRIVER_H100_PAD || CONFIG_KEYPAD == IRIVER_H300_PAD
+
+#define PACMAN_UP BUTTON_RIGHT
+#define PACMAN_DOWN BUTTON_LEFT
+#define PACMAN_LEFT BUTTON_UP
+#define PACMAN_RIGHT BUTTON_DOWN
+#define PACMAN_1UP BUTTON_SELECT
+#define PACMAN_2UP BUTTON_ON
+#define PACMAN_COIN BUTTON_REC
+#define PACMAN_MENU BUTTON_MODE
+
+#elif CONFIG_KEYPAD == GIGABEAT_PAD
+
+#define PACMAN_UP BUTTON_UP
+#define PACMAN_DOWN BUTTON_DOWN
+#define PACMAN_LEFT BUTTON_LEFT
+#define PACMAN_RIGHT BUTTON_RIGHT
+#define PACMAN_1UP BUTTON_SELECT
+#define PACMAN_2UP BUTTON_POWER
+#define PACMAN_COIN BUTTON_A
+#define PACMAN_MENU BUTTON_MENU
+
+#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
+
+#define PACMAN_UP BUTTON_RIGHT
+#define PACMAN_DOWN BUTTON_LEFT
+#define PACMAN_LEFT BUTTON_UP
+#define PACMAN_RIGHT BUTTON_DOWN
+#define PACMAN_1UP BUTTON_SELECT
+#define PACMAN_2UP BUTTON_POWER
+#define PACMAN_COIN BUTTON_REC
+#define PACMAN_MENU BUTTON_PLAY
+
+#endif
+
+#if (LCD_HEIGHT >= 288)
+#define XOFS ((LCD_WIDTH-224)/2)
+#define YOFS ((LCD_HEIGHT-288)/2)
+#elif (LCD_WIDTH >= 288)
+#define XOFS ((LCD_WIDTH-288)/2)
+#define YOFS ((LCD_HEIGHT-224)/2)
+#elif (LCD_WIDTH >= 220)
+#define XOFS ((LCD_WIDTH-(288*3/4))/2)
+#define YOFS ((LCD_HEIGHT-(224*3/4))/2)
+#elif (LCD_WIDTH >= 144)
+#define XOFS ((LCD_WIDTH-288/2)/2)
+#define YOFS ((LCD_HEIGHT-224/2)/2)
+#endif
+
+#endif
diff --git a/apps/plugins/pacbox/pacbox_arm.S b/apps/plugins/pacbox/pacbox_arm.S
new file mode 100644
index 0000000000..ade3ad2de6
--- /dev/null
+++ b/apps/plugins/pacbox/pacbox_arm.S
@@ -0,0 +1,130 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Pacbox - a Pacman Emulator for Rockbox
+ *
+ * Based on PIE - Pacman Instructional Emulator
+ *
+ * Copyright (c) 1997-2003,2004 Alessandro Scotti
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "pacbox.h"
+
+ .section .icode,"ax",%progbits
+ .global blit_display
+
+/* void blit_display(fb_data* lcd_framebuffer, unsigned char* vbuf)
+
+ next_dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+ScreenHeight-1];
+ for( y=ScreenHeight; y>0; y-- ) {
+ dst = (next_dst--);
+ for( x=ScreenWidth; x>0; x-- ) {
+ *dst = palette[*(vbuf++)];
+ dst+=LCD_WIDTH;
+ }
+ }
+ */
+
+#ifdef HAVE_LCD_COLOR
+#if (LCD_WIDTH >= 288) && (LCD_HEIGHT >= 224)
+
+blit_display:
+ stmdb sp!, {r4-r12, lr}
+
+ add r3, r0, #5696
+ add r3, r3, #24 @ 5720 = (2*(YOFS*LCD_WIDTH+XOFS+ScreenHeight-4))
+ ldr r0, =palette
+ mov lr, #288 @ y = 288
+
+ mov r12, #224*3
+
+loop_y: mov r2, r3 @ r2 = next_dst
+ sub r3, r3, #8 @ next_dst-=4
+
+ mov ip, #224 @ x = 224
+
+/* store 2 input bytes from the next four lines in r7-r10 */
+loop_x:
+ ldrh r8, [r1, #224] @ r8 = vbuf[224]
+ ldrh r7, [r1] @ r7 = vbuf[0] ; vbuf += 2;
+ add r1, r1, #448
+ ldrh r10, [r1, #224] @ r8 = vbuf[224]
+ ldrh r9, [r1], #2 @ r7 = vbuf[0] ; vbuf += 2;
+ sub r1, r1, #448
+
+
+/* Convert high bytes of r7-r10 into palette entries in r5 and r6 */
+ mov r6, r7, lsr #8
+ mov r6, r6, lsl #1
+ ldrh r6, [r6, r0] @ r6 = palette[hi(r7]]
+
+ mov r11, r8, lsr #8
+ mov r11, r11, lsl #1
+ ldrh r11, [r11, r0] @ r11 = palette[hi(r8]]
+
+ orr r6, r11, r6, lsl #16 @ r6 = palette[hi(r8]]
+ @ | (palette[hi(r7)] << 16)
+
+ mov r5, r9, lsr #8
+ mov r5, r5, lsl #1
+ ldrh r5, [r5, r0] @ r5 = palette[hi(r9]]
+
+ mov r11, r10, lsr #8
+ mov r11, r11, lsl #1
+ ldrh r11, [r11, r0] @ r11 = palette[hi(r10)]]
+
+ orr r5, r11, r5, lsl #16 @ r5 = palette[hi(r10]]
+ @ | (palette[hi(r9)] << 16)
+
+/* Convert low bytes of r7-r10 into palette entries in r7 and r8 */
+ and r7, r7, #0xff
+ mov r7, r7, lsl #1
+ ldrh r7, [r7, r0]
+
+ and r8, r8, #0xff
+ mov r8, r8, lsl #1
+ ldrh r8, [r8, r0]
+
+ orr r8, r8, r7, lsl #16
+
+ and r9, r9, #0xff
+ mov r9, r9, lsl #1
+ ldrh r9, [r9, r0]
+
+ and r10, r10, #0xff
+ mov r10, r10, lsl #1
+ ldrh r10, [r10, r0]
+
+ orr r7, r10, r9, lsl #16
+
+/* Now write the 8 pixels to the screen */
+ stmia r2!, {r7, r8}
+ add r2, r2, #(LCD_WIDTH*2)-8 @ dst += LCD_WIDTH
+
+ stmia r2!, {r5, r6}
+ add r2, r2, #(LCD_WIDTH*2)-8 @ dst += LCD_WIDTH
+
+/* end of x loop */
+ subs ip, ip, #2 @ x-=2
+ bne loop_x
+
+/* end of y loop */
+ add r1, r1, #224*3 @ vbuf += 224*3
+ subs lr, lr, #4 @ y-=4
+ ldmeqia sp!, {r4-r12, pc}
+ b loop_y
+#endif
+#endif
diff --git a/apps/plugins/pacbox/pacbox_lcd.c b/apps/plugins/pacbox/pacbox_lcd.c
new file mode 100644
index 0000000000..83931b1b68
--- /dev/null
+++ b/apps/plugins/pacbox/pacbox_lcd.c
@@ -0,0 +1,105 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Pacbox - a Pacman Emulator for Rockbox
+ *
+ * Based on PIE - Pacman Instructional Emulator
+ *
+ * Copyright (c) 1997-2003,2004 Alessandro Scotti
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "pacbox.h"
+#include "pacbox_lcd.h"
+#include "arcade.h"
+#include "hardware.h"
+
+void blit_display(fb_data* lcd_framebuffer, unsigned char* vbuf)
+{
+ fb_data* dst;
+ fb_data* next_dst;
+ int x,y;
+
+#ifdef HAVE_LCD_COLOR
+#if (LCD_WIDTH >= 224) && (LCD_HEIGHT >= 288)
+ /* Native resolution = 224x288 */
+ (void)next_dst;
+ dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS];
+ for (y=0;y<ScreenHeight;y++) {
+ for (x=0;x<ScreenWidth;x++) {
+ *(dst++) = palette[*(vbuf++)];
+ }
+ dst += XOFS*2;
+ }
+#elif (LCD_WIDTH >= 288) && (LCD_HEIGHT >= 224)
+ /* Native resolution - rotated 90 degrees = 288x224 */
+ next_dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+ScreenHeight-1];
+ for( y=ScreenHeight-1; y>=0; y-- ) {
+ dst = (next_dst--);
+ for( x=0; x<ScreenWidth; x++ ) {
+ *dst = palette[*(vbuf++)];
+ dst+=LCD_WIDTH;
+ }
+ }
+#elif (LCD_WIDTH >= 216) && (LCD_HEIGHT >= 168)
+ /* 0.75 scaling - display 3 out of 4 pixels = 216x168
+ Skipping pixel #2 out of 4 seems to give the most legible display
+ */
+ next_dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+((ScreenHeight*3)/4)-1];
+ for (y=ScreenHeight-1;y >= 0; y--) {
+ if ((y & 3) != 1) {
+ dst = (next_dst--);
+ for (x=0;x<ScreenWidth;x++) {
+ if ((x & 3) == 1) { vbuf++; }
+ else {
+ *dst = palette[*(vbuf++)];
+ dst+=LCD_WIDTH;
+ }
+ }
+ } else {
+ vbuf+=ScreenWidth;
+ }
+ }
+#elif (LCD_WIDTH >= 144) && (LCD_HEIGHT >= 112)
+ /* 0.5 scaling - display every other pixel = 144x112 */
+ next_dst=&lcd_framebuffer[YOFS*LCD_WIDTH+XOFS+ScreenHeight/2-1];
+ for (y=(ScreenHeight/2)-1;y >= 0; y--) {
+ dst = (next_dst--);
+ for (x=0;x<ScreenWidth/2;x++) {
+ *dst = palette[*(vbuf)];
+ vbuf+=2;
+ dst+=LCD_WIDTH;
+ }
+ vbuf+=ScreenWidth;
+ }
+#endif
+#else /* Greyscale LCDs */
+#if (LCD_WIDTH >= 144) && (LCD_HEIGHT >= 112)
+#if LCD_PIXELFORMAT == VERTICAL_PACKING
+ /* 0.5 scaling - display every other pixel = 144x112 */
+ next_dst=&lcd_framebuffer[YOFS/4*LCD_WIDTH+XOFS+ScreenHeight/2-1];
+ for (y=(ScreenHeight/2)-1;y >= 0; y--) {
+ dst = (next_dst--);
+ for (x=0;x<ScreenWidth/8;x++) {
+ *dst = (palette[*(vbuf+6)]<<6) | (palette[*(vbuf+4)] << 4) | (palette[*(vbuf+2)] << 2) | palette[*(vbuf)];
+ vbuf+=8;
+ dst+=LCD_WIDTH;
+ }
+ vbuf+=ScreenWidth;
+ }
+#endif /* Vertical Packing */
+#endif /* Size >= 144x112 */
+#endif /* Not Colour */
+}
diff --git a/apps/plugins/pacbox/pacbox_lcd.h b/apps/plugins/pacbox/pacbox_lcd.h
new file mode 100644
index 0000000000..e1fbaa6a04
--- /dev/null
+++ b/apps/plugins/pacbox/pacbox_lcd.h
@@ -0,0 +1,31 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Pacbox - a Pacman Emulator for Rockbox
+ *
+ * Based on PIE - Pacman Instructional Emulator
+ *
+ * Copyright (c) 1997-2003,2004 Alessandro Scotti
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _PACBOX_LCD_H
+#define _PACBOX_LCD_H
+
+#include "plugin.h"
+
+void blit_display(fb_data* lcd_framebuffer, unsigned char* vbuf);
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 09:31:58 +0000