DMA and sprites (not working yet)

[mdlife] / src / hwregs.h

diff --git a/src/hwregs.h b/src/hwregs.h
index 834be05..2838026 100644 (file)
--- a/src/hwregs.h
+++ b/src/hwregs.h
@@ -1,16 +1,111 @@
 #ifndef HWREGS_H_
 #define HWREGS_H_
 
-#include <inttypes.h>
+#define VDP_DATA_PORT  0xc00000
+#define VDP_CTL_PORT   0xc00004
+
+/* VDP access type */
+#define VDP_VRAM       0x40000000
+#define VDP_CRAM       0xc0000000
+#define VDP_VSRAM      0x40000010
+
+#define VDP_VRAM_DMA   0x40000080
+#define VDP_CRAM_DMA   0xc0000080
+#define VDP_VSRAM_DMA  0x40000090
+
+#ifndef ASM
+#include <stdint.h>
 
 #define REG16PTR(addr) (*(volatile uint16_t*)(addr))
+#define REG32PTR(addr) (*(volatile uint32_t*)(addr))
 
 #define Z80_MEMMODE                    REG16PTR(0xa11000)
 #define Z80_BUSREQ                     REG16PTR(0xa11100)
 #define Z80_RESET                      REG16PTR(0xa11200)
 #define Z80_MEM                                ((uint8_t*)0xa00000)
 
-#define VDP_PORT_DATA          REG16PTR(0xc00000)
-#define VDP_PORT_CTL           REG16PTR(0xc00004)
+#define VDP_DATA               REG16PTR(VDP_DATA_PORT)
+#define VDP_CTL                        REG16PTR(VDP_CTL_PORT)
+#define VDP_CTL32              REG32PTR(VDP_CTL_PORT)
+#define VDP_STAT               VDP_CTL
+#endif /* !def ASM */
+
+#define VDP_REG_MODE1          0
+#define VDP_REG_MODE2          1
+#define VDP_REG_NAMEA          2
+#define VDP_REG_NAMEW          3
+#define VDP_REG_NAMEB          4
+#define VDP_REG_SPR                    5
+#define VDP_REG_BGCOL          7
+#define VDP_REG_HINTR          10
+#define VDP_REG_MODE3          11
+#define VDP_REG_MODE4          12
+#define VDP_REG_HSCROLL                13
+#define VDP_REG_AUTOINC                15
+#define VDP_REG_SCROLLSZ       16
+#define VDP_REG_WINX           17
+#define VDP_REG_WINY           18
+#define VDP_REG_DMACNTL                19
+#define VDP_REG_DMACNTH                20
+#define VDP_REG_DMASRCL                21
+#define VDP_REG_DMASRCM                22
+#define VDP_REG_DMASRCH                23
+
+#define VDP_ST_PAL             0x001
+#define VDP_ST_DMA             0x002
+#define VDP_ST_HBLANK  0x004
+#define VDP_ST_VBLANK  0x008
+#define VDP_ST_ODDFRM  0x010
+#define VDP_ST_COL             0x020
+#define VDP_ST_SPROVF  0x040
+#define VDP_ST_VINTR   0x080
+#define VDP_ST_FULL            0x100
+#define VDP_ST_EMPT            0x200
+
+#define VDP_M1_INIT            0x04
+#define VDP_M1_HVSTOP  0x02
+#define VDP_M1_HINTR   0x10
+
+#define VDP_M2_INIT            0x04
+#define VDP_M2_V30             0x08
+#define VDP_M2_DMA             0x10
+#define VDP_M2_VINTR   0x20
+#define VDP_M2_DISP            0x40
+
+#define VDP_NA_ADDR(x) (((x) >> 10) & 0x38)
+#define VDP_NW_ADDR(x) (((x) >> 10) & 0x3e)
+#define VDP_NB_ADDR(x) ((x) >> 13)
+#define VDP_SPRTAB_ADDR(x)     ((x) >> 9)
+#define VDP_HSTAB_ADDR(x)      ((x) >> 10)
+
+#define VDP_ADDR_INVAL 0x10000
+
+#define VDP_BGCOL(pal, col)    (((pal) << 4) | (col))
+
+#define VDP_M3_HFULL   0
+#define VDP_M3_HCELL   0x02
+#define VDP_M3_HLINE   0x03
+#define VDP_M3_VFULL   0
+#define VDP_M3_V2CELL  0x04
+#define VDP_M3_EXTINTR 0x08
+
+#define VDP_M4_H40             0x81
+#define VDP_M4_ILACE   0x02
+#define VDP_M4_ILACE2X 0x06
+#define VDP_M4_SHAD            0x08
+
+#define VDP_SCR_H32            0
+#define VDP_SCR_H64            0x01
+#define VDP_SCR_H128   0x03
+#define VDP_SCR_V32            0
+#define VDP_SCR_V64            0x10
+#define VDP_SCR_V128   0x30
+
+#define VDP_WINX_RIGHT 0x80
+#define VDP_WINY_DOWN  0x80
+
+#define VDP_DMA_MEM            0
+#define VDP_DMA_FILL   0x80
+#define VDP_DMA_COPY   0xc0
 
 #endif /* HWREGS_H_ */