Mercurial > repos > blastem
diff vdp.h @ 1077:1a66d5165ea7
Cleanup the separation of render backend and VDP code in preparation for having extra debug windows. Make determination of H40/H32 based on number of lines in each mode.
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 22 Aug 2016 09:46:18 -0700 |
| parents | e34334e6c682 |
| children | c15896605bf2 |
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--- a/vdp.h Fri Aug 12 09:39:39 2016 -0700 +++ b/vdp.h Mon Aug 22 09:46:18 2016 -0700 @@ -13,8 +13,8 @@ #define CRAM_SIZE 64 #define VSRAM_SIZE 40 #define VRAM_SIZE (64*1024) -#define LINEBUF_SIZE 320 -#define FRAMEBUF_ENTRIES (320+27)*(240+27) //PAL active display + full border +#define LINEBUF_SIZE (320+27) //H40 + full border +#define BORDER_BOTTOM 13 //TODO: Replace with actual value #define MAX_DRAWS 40 #define MAX_DRAWS_H32 32 #define MAX_SPRITES_LINE 20 @@ -51,6 +51,7 @@ #define FLAG2_READ_PENDING 0x04 #define FLAG2_SPRITE_COLLIDE 0x08 #define FLAG2_REGION_PAL 0x10 +#define FLAG2_EVEN_FIELD 0x20 #define DISPLAY_ENABLE 0x40 @@ -138,15 +139,14 @@ uint8_t *vdpmem; //stores 2-bit palette + 4-bit palette index + priority for current sprite line uint8_t *linebuf; - //stores 12-bit color + shadow/highlight bits - void *framebuf; - void *oddbuf; - void *evenbuf; + //pointer to current line in framebuffer + uint32_t *output; uint16_t cram[CRAM_SIZE]; uint32_t colors[CRAM_SIZE*3]; uint32_t debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight uint16_t vsram[VSRAM_SIZE]; uint16_t vscroll_latch[2]; + uint32_t output_pitch; uint32_t frame; uint16_t vcounter; uint16_t hscroll_a; @@ -155,6 +155,7 @@ uint8_t latched_mode; uint8_t sprite_index; uint8_t sprite_draws; + uint8_t h40_lines; int8_t slot_counter; int8_t cur_slot; sprite_draw sprite_draw_list[MAX_DRAWS];