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DSP: Code simplification, comments, log improvements.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2885 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-04-05 19:17:19 +00:00
parent 40a7cd15ad
commit 5508e5e718
8 changed files with 39 additions and 116 deletions
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84
Source/Plugins/Plugin_DSP_LLE-testing/Src/gdsp_memory.cpp
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@ -24,100 +24,55 @@
====================================================================*/
#include <stdio.h>
#include "Globals.h"
#include "gdsp_interpreter.h"
#include "gdsp_memory.h"
#include "gdsp_ifx.h"
#include "gdsp_interface.h"
u16 dsp_swap16(u16 x)
{
return((x >> 8) | (x << 8));
return (x >> 8) | (x << 8);
}
u16* gdsp_get_iram(void)
{
return(g_dsp.iram);
}
u16* gdsp_get_irom(void)
{
return(g_dsp.irom);
}
u16* gdsp_get_dram(void)
{
return(g_dsp.dram);
}
u16* gdsp_get_drom(void)
{
return(g_dsp.drom);
}
u16 dsp_imem_read(u16 addr)
{
u16 opc;
if (g_dsp.pc & 0x8000)
{
opc = g_dsp.irom[addr & DSP_IROM_MASK];
}
return dsp_swap16(g_dsp.irom[addr & DSP_IROM_MASK]);
else
{
opc = g_dsp.iram[addr & DSP_IRAM_MASK];
}
return(dsp_swap16(opc));
return dsp_swap16(g_dsp.iram[addr & DSP_IRAM_MASK]);
}
u16 dsp_dmem_read(u16 addr)
u16 dsp_dmem_read(u16 addr)
{
u16 val;
switch (addr >> 12)
{
case 0x0: // 0xxx DRAM
val = g_dsp.dram[addr & DSP_DRAM_MASK];
val = dsp_swap16(val);
break;
return dsp_swap16(g_dsp.dram[addr & DSP_DRAM_MASK]);
case 0x8: // 8xxx DROM
DEBUG_LOG(DSPHLE, "someone reads from ROM\n");
val = g_dsp.drom[addr & DSP_DROM_MASK];
val = dsp_swap16(val);
break;
ERROR_LOG(DSPHLE, "someone reads from ROM\n");
return dsp_swap16(g_dsp.drom[addr & DSP_DROM_MASK]);
case 0x1: // 1xxx COEF
val = g_dsp.coef[addr & DSP_DROM_MASK];
val = dsp_swap16(val);
break;
return dsp_swap16(g_dsp.coef[addr & DSP_COEF_MASK]);
case 0xf: // Fxxx HW regs
val = gdsp_ifx_read(addr);
break;
return gdsp_ifx_read(addr);
default: // error
// ERROR_LOG(DSPHLE, "%04x DSP ERROR: Read from UNKNOWN (%04x) memory\n", g_dsp.pc, addr);
val = 0;
break;
ERROR_LOG(DSPHLE, "%04x DSP ERROR: Read from UNKNOWN (%04x) memory\n", g_dsp.pc, addr);
return 0;
}
return(val);
}
bool dsp_dmem_write(u16 addr, u16 val)
void dsp_dmem_write(u16 addr, u16 val)
{
switch (addr >> 12)
{
case 0x8: // 8xxx DROM
DEBUG_LOG(DSPHLE, "someone writes to ROM\n");
ERROR_LOG(DSPHLE, "someone writes to ROM\n");
/* val = dsp_swap16(val);
g_dsp.drom[addr & DSP_DROM_MASK] = val;*/
break;
@ -127,16 +82,13 @@ bool dsp_dmem_write(u16 addr, u16 val)
break;
case 0x0: // 0xxx DRAM
val = dsp_swap16(val);
g_dsp.dram[addr & DSP_DRAM_MASK] = val;
g_dsp.dram[addr & DSP_DRAM_MASK] = dsp_swap16(val);
break;
default: // error
DEBUG_LOG(DSPHLE, "%04x DSP ERROR: Write to UNKNOWN (%04x) memory\n", g_dsp.pc, addr);
ERROR_LOG(DSPHLE, "%04x DSP ERROR: Write to UNKNOWN (%04x) memory\n", g_dsp.pc, addr);
break;
}
return(true);
}
u16 dsp_fetch_code()
@ -146,7 +98,7 @@ u16 dsp_fetch_code()
return opc;
}
u16 dsp_peek_code(void)
u16 dsp_peek_code()
{
return dsp_imem_read(g_dsp.pc);
}