Added pseudo-hires support

1 files changed, 22 insertions, 7 deletions

diff --git a/source/main.c b/source/main.c
index 29f4448..aed05f5 100644
--- a/source/main.c
+++ b/source/main.c
@@ -93,6 +93,7 @@ static void Splash(void)
     int y;
     int res=FALSE;
 
+    ZX81SuspendDisplay();
     ZX81DisplayString("10 print '%the zx81 is ace%'\n20 goto 10");
 
     FB_Clear();
@@ -159,6 +160,8 @@ static void Splash(void)
     {
 	swiWaitForVBlank();
     }
+
+    ZX81ResumeDisplay();
 }
 
 
@@ -173,6 +176,8 @@ static void MapJoypad(void)
 
     SK_DisplayKeyboard(BG_GFX_SUB);
 
+    ZX81SuspendDisplay();
+
     ZX81DisplayString("press the joypad button you want\n"
 		      "to define and then the ZX81 key\n"
 		      "you want to use.\n\n"
@@ -217,6 +222,8 @@ static void MapJoypad(void)
 
 	swiWaitForVBlank();
     }
+
+    ZX81ResumeDisplay();
 }
 
 
@@ -228,26 +235,34 @@ int main(int argc, char *argv[])
 
     powerON(POWER_ALL_2D);
 
-    /* Set up main text screen and load the ROM character data
+    /* Set up main screen for ZX81 and load the ROM character data
     */
-    videoSetMode(MODE_0_2D | DISPLAY_BG0_ACTIVE);
+    videoSetMode(MODE_3_2D | DISPLAY_BG0_ACTIVE | DISPLAY_BG3_ACTIVE);
 
-    vramSetBankA(VRAM_A_MAIN_BG_0x6000000);
-    vramSetBankB(VRAM_B_MAIN_BG_0x6020000);
+    vramSetBankA(VRAM_A_MAIN_BG_0x06000000);
+    vramSetBankB(VRAM_B_MAIN_BG_0x06020000);
 
-    BG0_CR = BG_COLOR_256|BG_MAP_BASE(0)|BG_TILE_BASE(1);
+    BG0_CR = BG_COLOR_256 | BG_MAP_BASE(0) | BG_TILE_BASE(1) | BG_PRIORITY(0);
     BG0_X0 = 0;
     BG0_Y0 = 0;
 
     BG_PALETTE[0] = RGB15(31,31,31);
     BG_PALETTE[1] = RGB15(0,0,0);
 
+    BG3_CR = BG_BMP16_256x256 | BG_BMP_BASE(2) | BG_PRIORITY(1);
+    BG3_XDX = 0x100;
+    BG3_XDY = 0;
+    BG3_YDX = 0;
+    BG3_YDY = 0x100;
+    BG3_CX = 0;
+    BG3_CY = 0;
+
     dmaCopy(rom_font_bin,(void *)BG_TILE_RAM(1),rom_font_bin_size);
 
     /* Set up the sub-screen for rotation (basically for use as a framebuffer)
     */
     videoSetModeSub(MODE_5_2D | DISPLAY_BG2_ACTIVE);
-    vramSetBankC(VRAM_C_SUB_BG_0x6200000);
+    vramSetBankC(VRAM_C_SUB_BG_0x06200000);
 
     SUB_BG2_CR = BG_BMP16_256x256;
     SUB_BG2_XDX = 0x100;
@@ -282,7 +297,7 @@ int main(int argc, char *argv[])
 	GUI_Alert(TRUE,"Failed to initialise\nthe Z80 CPU emulation!");
     }
 
-    ZX81Init((uint16*)SCREEN_BASE_BLOCK(0), z80);
+    ZX81Init((uint16*)BG_MAP_RAM(0), (uint16*)BG_BMP_RAM(2), z80);
 
     Splash();