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Moved has_fpu to private: section and added methods to set and get it

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This commit is contained in:
Joakim Larsson Edstrom 2016-11-16 13:20:35 +01:00
parent 619334986f
commit cbb08316df
3 changed files with 18 additions and 5 deletions
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5
src/devices/cpu/m68000/m68000.h
View File

@ -168,9 +168,13 @@ public:
void set_tas_write_callback(write8_delegate callback);
uint16_t get_fc();
void set_hmmu_enable(int enable);
void set_fpu_enable(int enable);
int get_fpu_enable();
void set_instruction_hook(read32_delegate ihook);
void set_buserror_details(uint32_t fault_addr, uint8_t rw, uint8_t fc);
private:
int has_fpu; /* Indicates if a FPU is available (yes on 030, 040, may be on 020) */
public:
@ -211,7 +215,6 @@ public:
int has_hmmu; /* Indicates if an Apple HMMU is available in place of the 68851 (020 only) */
int pmmu_enabled; /* Indicates if the PMMU is enabled */
int hmmu_enabled; /* Indicates if the HMMU is enabled */
int has_fpu; /* Indicates if a FPU is available (yes on 030, 040, may be on 020) */
int fpu_just_reset; /* Indicates the FPU was just reset */
/* Clocks required for instructions / exceptions */

8
src/devices/cpu/m68000/m68k_in.cpp
View File

@ -902,7 +902,7 @@ M68KMAKE_OP(1111, 0, ., .)
M68KMAKE_OP(040fpu0, 32, ., .)
{
if((mc68kcpu)->has_fpu)
if((mc68kcpu)->get_fpu_enable())
{
m68040_fpu_op0(mc68kcpu);
return;
@ -913,7 +913,7 @@ M68KMAKE_OP(040fpu0, 32, ., .)
M68KMAKE_OP(040fpu1, 32, ., .)
{
if((mc68kcpu)->has_fpu)
if((mc68kcpu)->get_fpu_enable())
{
m68040_fpu_op1(mc68kcpu);
return;
@ -4437,7 +4437,7 @@ M68KMAKE_OP(cpdbcc, 32, ., .)
M68KMAKE_OP(cpgen, 32, ., .)
{
if(CPU_TYPE_IS_EC020_PLUS((mc68kcpu)->cpu_type) && (mc68kcpu->has_fpu || mc68kcpu->has_pmmu))
if(CPU_TYPE_IS_EC020_PLUS((mc68kcpu)->cpu_type) && (mc68kcpu->get_fpu_enable() || mc68kcpu->has_pmmu))
{
mc68kcpu->logerror("%s at %08x: called unimplemented instruction %04x (cpgen)\n",
(mc68kcpu)->tag(), REG_PC(mc68kcpu) - 2, (mc68kcpu)->ir);
@ -4472,7 +4472,7 @@ M68KMAKE_OP(cptrapcc, 32, ., .)
M68KMAKE_OP(ftrapcc, 32, ., .)
{
if((mc68kcpu)->has_fpu)
if((mc68kcpu)->get_fpu_enable())
{
m68881_ftrap(mc68kcpu);
return;

10
src/devices/cpu/m68000/m68kcpu.cpp
View File

@ -1208,6 +1208,16 @@ void m68000_base_device::set_hmmu_enable(int enable)
hmmu_enabled = enable;
}
void m68000_base_device::set_fpu_enable(int enable)
{
has_fpu = enable;
}
int m68000_base_device::get_fpu_enable()
{
return has_fpu;
}
void m68000_base_device::set_instruction_hook(read32_delegate ihook)
{
instruction_hook = ihook;