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annotate jag_video.h @ 1087:6433d4d05934

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Added placeholder code for video output hardware/object processor
author Michael Pavone <pavone@retrodev.com>
date Fri, 07 Oct 2016 18:27:38 -0700
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children c0a026e974f4
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1087
6433d4d05934 Added placeholder code for video output hardware/object processor
Michael Pavone <pavone@retrodev.com>
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1 #ifndef JAG_VIDEO_H_
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2 #define JAG_VIDEO_H_
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3
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4 #define JAG_VIDEO_REGS 0x2E
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5 #define LINEBUFFER_WORDS 720
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6
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7 typedef struct {
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8 uint16_t regs[JAG_VIDEO_REGS];
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9
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10 uint16_t clut[256];
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11 uint16_t line_buffer_a[LINEBUFFER_WORDS];
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12 uint16_t line_buffer_b[LINEBUFFER_WORDS];
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13 uint16_t *write_line_buffer;
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14 uint16_t *read_line_buffer;
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15
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16 uint32_t cycles;
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17 } jag_video;
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18
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19 jag_video *jag_video_init(void);
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20 void jag_video_run(jag_video *context, uint32_t target_cycle);
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21
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22 #endif //JAG_VIDEO_H_