Mercurial > repos > blastem

annotate jaguar.h @ 1086:f0a1e0a2263c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Made some optimizations to gen_mem_fun to keep the size of chunk handler sections within range of a single byte displacement
author Michael Pavone <pavone@retrodev.com>
date Thu, 06 Oct 2016 22:25:12 -0700
parents f6e998227300
children 6433d4d05934
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1080
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #ifndef JAGUAR_H_
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #define JAGUAR_H_
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #define DRAM_WORDS (4*1024*1024)
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #define LINEBUFFER_WORDS 720
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 #define GPU_RAM_BYTES 4096
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 #define DSP_RAM_BYTES 8192
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 typedef struct {
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 m68k_context *m68k;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 uint16_t *bios;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 uint16_t *cart;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 uint32_t bios_size;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 uint32_t cart_size;
1083
f6e998227300 Byteswap ROMs in jaguar ROM loader. Handle switching memory map from writes to memcon1. Fix some typos in error messages
Michael Pavone <pavone@retrodev.com>
parents: 1080
diff changeset
15 uint32_t memcon1;
f6e998227300 Byteswap ROMs in jaguar ROM loader. Handle switching memory map from writes to memcon1. Fix some typos in error messages
Michael Pavone <pavone@retrodev.com>
parents: 1080
diff changeset
16 uint32_t memcon2;
1080
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 uint16_t write_latch;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 uint8_t write_pending;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 uint16_t dram[DRAM_WORDS];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21 uint32_t gpu_local[GPU_RAM_BYTES / sizeof(uint32_t)];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22 uint32_t dsp_local[DSP_RAM_BYTES / sizeof(uint32_t)];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 uint16_t clut[256];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 uint16_t line_buffer_a[LINEBUFFER_WORDS];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 uint16_t line_buffer_b[LINEBUFFER_WORDS];
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 uint16_t *write_line_buffer;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27 uint16_t *read_line_buffer;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28
1083
f6e998227300 Byteswap ROMs in jaguar ROM loader. Handle switching memory map from writes to memcon1. Fix some typos in error messages
Michael Pavone <pavone@retrodev.com>
parents: 1080
diff changeset
29 uint8_t memcon_written;
1080
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 } jaguar_context;
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32
382614130914 Some initial work on Atari Jaguar emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 #endif //JAGUAR_H_