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Add PS/2 Model 50 emulation.

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This commit also adds basic MCA emulation.
This commit also adds emulation of the PS/2 Type 1 DMA controller.
This commit is contained in:
SarahW 2017-04-06 22:00:40 +01:00
commit 9c1d8e5022
29 changed files with 911 additions and 95 deletions
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13
src/ibm.h
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@ -288,7 +288,7 @@ typedef struct PIT
void (*set_out_funcs[3])(int new_out, int old_out);
} PIT;
PIT pit;
PIT pit, pit2;
void setpitclock(float clock);
float pit_timer0_freq();
@ -302,7 +302,7 @@ float pit_timer0_freq();
/*DMA*/
typedef struct DMA
{
uint16_t ab[4],ac[4];
uint32_t ab[4],ac[4];
uint16_t cb[4];
int cc[4];
int wp;
@ -310,6 +310,11 @@ typedef struct DMA
uint8_t page[4];
uint8_t stat;
uint8_t command;
int xfr_command, xfr_channel;
int byte_ptr;
int is_ps2;
} DMA;
DMA dma,dma16;
@ -396,7 +401,8 @@ enum
ROM_IBMPS1_2121,
ROM_AMI386DX_OPTI495,
ROM_MR386DX_OPTI495,
ROM_IBMPS2_M30_286,
ROM_IBMPS2_M30_286,
ROM_IBMPS2_M50,
ROM_MAX
};
@ -511,6 +517,7 @@ void pclog(const char *format, ...);
void fatal(const char *format, ...);
void warning(const char *format, ...);
extern int nmi;
extern int nmi_auto_clear;
extern float isa_timing, bus_timing;