initial upload

src/defines.hpp

@@ -0,0 +1,51 @@
+#ifndef GBPP_SRC_DEFINES_HPP_
+#define GBPP_SRC_DEFINES_HPP_
+
+#define Word uint16_t
+#define Byte uint8_t
+
+// Bit  Name  Set Clr  Expl.
+// 7    zf    Z   NZ   Zero Flag
+// 6    n     -   -    Add/Sub-Flag (BCD)
+// 5    h     -   -    Half Carry Flag (BCD)
+// 4    cy    C   NC   Carry Flag
+// 3-0  -     -   -    Not used (always zero)
+#define CARRY_FLAG 4 //'C'
+#define HALFCARRY_FLAG 5 //'H'
+#define SUBTRACT_FLAG 6 //'N'
+#define ZERO_FLAG 7 //'Z'
+
+#define VBLANK_INTERRUPT 0
+#define LCD_STAT_INTERRUPT 1
+#define TIMER_INTERRUPT 2
+#define SERIAL_INTERRUPT 3
+#define JOYPAD_INTERRUPT 4
+
+#define T_CLOCK_FREQ 4194304
+
+#define DIVIDER_REGISTER_FREQ 16384
+
+#define BOOTROM_SIZE 0x100
+
+#define RESOLUTION_X 160
+#define RESOLUTION_Y 144
+#define SCREEN_BPP 3
+
+#define ROM_BANK_SIZE 0x4000
+
+#define SCANLINES_PER_FRAME 154
+#define SCANLINE_DURATION 456
+#define FRAME_DURATION 70224
+#define MODE2_DURATION 80
+#define MODE3_BASE_DURATION 168
+#define MODE0_3_DURATION 376 //mode3 is 168 to 291, mode0 85 to 208
+#define MODE1_DURATION 4560
+
+#define H_SYNC 9198
+#define V_SYNC 59.73
+#define HBlank_DURATION 204 //GPU_MODE 0
+#define SCANLINE_OAM_FREQ 80 //GPU_MODE 2
+#define SCANLINE_VRAM_FREQ 80 //GPU_MODE 3
+
+
+#endif