3b1emu / file revision

src/musashi/example/sim.h@21521e62007f

src/musashi/example/sim.h

Sat, 17 Nov 2012 22:26:53 +0000

author
Philip Pemberton <philpem@philpem.me.uk>
date
Sat, 17 Nov 2012 22:26:53 +0000
changeset 116
21521e62007f
parent 0
8bf1bf91a36d
permissions
-rw-r--r--

Add support for MSR2, partial reads from GENSTAT

* GENSTAT is sometimes read in 8bit mode. Handle this properly.

* Add support for the MSR2 register (additional HDD head select bit only at
the moment)

     1 #ifndef SIM__HEADER

     2 #define SIM__HEADER

     3 

     4 unsigned int m68k_read_memory_8(unsigned int address);

     5 unsigned int m68k_read_memory_16(unsigned int address);

     6 unsigned int m68k_read_memory_32(unsigned int address);

     7 void m68k_write_memory_8(unsigned int address, unsigned int value);

     8 void m68k_write_memory_16(unsigned int address, unsigned int value);

     9 void m68k_write_memory_32(unsigned int address, unsigned int value);

    10 void cpu_pulse_reset(void);

    11 void cpu_set_fc(unsigned int fc);

    12 int  cpu_irq_ack(int level);

    13 

    14 #endif /* SIM__HEADER */