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clipper: Scope down enums (nw)

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AJR 2017-04-12 15:20:55 -04:00
parent d37b6d9b4f
commit 0f510928f8
1 changed files with 153 additions and 153 deletions
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306
src/devices/cpu/clipper/clipper.h
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@ -7,159 +7,6 @@
#include <limits.h>
enum clipper_registers
{
CLIPPER_R0, CLIPPER_R1, CLIPPER_R2, CLIPPER_R3, CLIPPER_R4, CLIPPER_R5, CLIPPER_R6, CLIPPER_R7,
CLIPPER_R8, CLIPPER_R9, CLIPPER_R10, CLIPPER_R11, CLIPPER_R12, CLIPPER_R13, CLIPPER_R14, CLIPPER_R15,
CLIPPER_F0, CLIPPER_F1, CLIPPER_F2, CLIPPER_F3, CLIPPER_F4, CLIPPER_F5, CLIPPER_F6, CLIPPER_F7,
CLIPPER_F8, CLIPPER_F9, CLIPPER_F10, CLIPPER_F11, CLIPPER_F12, CLIPPER_F13, CLIPPER_F14, CLIPPER_F15,
CLIPPER_PSW,
CLIPPER_SSW,
CLIPPER_PC,
};
enum clipper_addressing_modes
{
ADDR_MODE_PC32 = 0x10,
ADDR_MODE_ABS32 = 0x30,
ADDR_MODE_REL32 = 0x60,
ADDR_MODE_PC16 = 0x90,
ADDR_MODE_REL12 = 0xa0,
ADDR_MODE_ABS16 = 0xb0,
ADDR_MODE_PCX = 0xd0,
ADDR_MODE_RELX = 0xe0,
};
// branch conditions
enum clipper_branch_conditions
{
BRANCH_T = 0x0,
BRANCH_LT = 0x1,
BRANCH_LE = 0x2,
BRANCH_EQ = 0x3,
BRANCH_GT = 0x4,
BRANCH_GE = 0x5,
BRANCH_NE = 0x6,
BRANCH_LTU = 0x7,
BRANCH_LEU = 0x8,
BRANCH_GTU = 0x9,
BRANCH_GEU = 0xa,
BRANCH_V = 0xb,
BRANCH_NV = 0xc,
BRANCH_N = 0xd,
BRANCH_NN = 0xe,
BRANCH_FN = 0xf,
};
enum clipper_psw
{
PSW_N = 0x00000001, // negative
PSW_Z = 0x00000002, // zero
PSW_V = 0x00000004, // overflow
PSW_C = 0x00000008, // carry out or borrow in
PSW_FX = 0x00000010, // floating inexact
PSW_FU = 0x00000020, // floating underflow
PSW_FD = 0x00000040, // floating divide by zero
PSW_FV = 0x00000080, // floating overflow
PSW_FI = 0x00000100, // floating invalid operation
PSW_EFX = 0x00000200, // enable floating inexact trap
PSW_EFU = 0x00000400, // enable floating underflow trap
PSW_EFD = 0x00000800, // enable floating divide by zero trap
PSW_EFV = 0x00001000, // enable floating overflow trap
PSW_EFI = 0x00002000, // enable floating invalid operation trap
PSW_EFT = 0x00004000, // enable floating trap
PSW_FR = 0x00018000, // floating rounding mode (2 bits)
// unused (3 bits)
PSW_DSP = 0x00300000, // c400 - delay slot pointer (2 bits)
PSW_BIG = 0x00400000, // c400 - big endian (hardware)
PSW_T = 0x00800000, // trace trap
PSW_CTS = 0x0f000000, // cpu trap status (4 bits)
PSW_MTS = 0xf0000000, // memory trap status (4 bits)
};
enum clipper_ssw
{
SSW_IN = 0x0000000f, // interrupt number (4 bits)
SSW_IL = 0x000000f0, // interrupt level (4 bits)
SSW_EI = 0x00000100, // enable interrupts
SSW_ID = 0x0001fe00, // cpu rev # and type (8 bits)
// unused (5 bits)
SSW_FRD = 0x00400000, // floating registers dirty
SSW_TP = 0x00800000, // trace trap pending
SSW_ECM = 0x01000000, // enabled corrected memory error
SSW_DF = 0x02000000, // fpu disabled
SSW_M = 0x04000000, // mapped mode
SSW_KU = 0x08000000, // user protect key
SSW_UU = 0x10000000, // user data mode
SSW_K = 0x20000000, // protect key
SSW_U = 0x40000000, // user mode
SSW_P = 0x80000000, // previous mode
};
enum clipper_exception_vectors
{
// data memory trap group
EXCEPTION_D_CORRECTED_MEMORY_ERROR = 0x108,
EXCEPTION_D_UNCORRECTABLE_MEMORY_ERROR = 0x110,
EXCEPTION_D_ALIGNMENT_FAULT = 0x120,
EXCEPTION_D_PAGE_FAULT = 0x128,
EXCEPTION_D_READ_PROTECT_FAULT = 0x130,
EXCEPTION_D_WRITE_PROTECT_FAULT = 0x138,
// floating-point arithmetic trap group
EXCEPTION_FLOATING_INEXACT = 0x180,
EXCEPTION_FLOATING_UNDERFLOW = 0x188,
EXCEPTION_FLOATING_DIVIDE_BY_ZERO = 0x190,
EXCEPTION_FLOATING_OVERFLOW = 0x1a0,
EXCEPTION_FLOATING_INVALID_OPERATION = 0x1c0,
// integer arithmetic trap group
EXCEPTION_INTEGER_DIVIDE_BY_ZERO = 0x208,
// instruction memory trap group
EXCEPTION_I_CORRECTED_MEMORY_ERROR = 0x288,
EXCEPTION_I_UNCORRECTABLE_MEMORY_ERROR = 0x290,
EXCEPTION_I_ALIGNMENT_FAULT = 0x2a0,
EXCEPTION_I_PAGE_FAULT = 0x2a8,
EXCEPTION_I_EXECUTE_PROTECT_FAULT = 0x2b0,
// illegal operation trap group
EXCEPTION_ILLEGAL_OPERATION = 0x300,
EXCEPTION_PRIVILEGED_INSTRUCTION = 0x308,
// diagnostic trap group
EXCEPTION_TRACE = 0x380,
// supervisor calls (0x400-0x7f8)
EXCEPTION_SUPERVISOR_CALL_BASE = 0x400,
// prioritized interrupts (0x800-0xff8)
EXCEPTION_INTERRUPT_BASE = 0x800,
};
// trap source values are shifted into the correct field in the psw
enum clipper_cpu_trap_sources
{
CTS_NO_CPU_TRAP = 0 << 24,
CTS_DIVIDE_BY_ZERO = 2 << 24,
CTS_ILLEGAL_OPERATION = 4 << 24,
CTS_PRIVILEGED_INSTRUCTION = 5 << 24,
CTS_TRACE_TRAP = 7 << 24,
};
enum clipper_memory_trap_sources
{
MTS_NO_MEMORY_TRAP = 0 << 28,
MTS_CORRECTED_MEMORY_ERROR = 1 << 28,
MTS_UNCORRECTABLE_MEMORY_ERROR = 2 << 28,
MTS_ALIGNMENT_FAULT = 4 << 28,
MTS_PAGE_FAULT = 5 << 28,
MTS_READ_OR_EXECUTE_PROTECT_FAULT = 6 << 28,
MTS_WRITE_PROTECT_FAULT = 7 << 28,
};
// convenience macros for frequently used instruction fields
#define R1 (m_info.r1)
#define R2 (m_info.r2)
@ -190,6 +37,159 @@ enum clipper_memory_trap_sources
class clipper_device : public cpu_device
{
enum registers
{
CLIPPER_R0, CLIPPER_R1, CLIPPER_R2, CLIPPER_R3, CLIPPER_R4, CLIPPER_R5, CLIPPER_R6, CLIPPER_R7,
CLIPPER_R8, CLIPPER_R9, CLIPPER_R10, CLIPPER_R11, CLIPPER_R12, CLIPPER_R13, CLIPPER_R14, CLIPPER_R15,
CLIPPER_F0, CLIPPER_F1, CLIPPER_F2, CLIPPER_F3, CLIPPER_F4, CLIPPER_F5, CLIPPER_F6, CLIPPER_F7,
CLIPPER_F8, CLIPPER_F9, CLIPPER_F10, CLIPPER_F11, CLIPPER_F12, CLIPPER_F13, CLIPPER_F14, CLIPPER_F15,
CLIPPER_PSW,
CLIPPER_SSW,
CLIPPER_PC,
};
enum addressing_modes
{
ADDR_MODE_PC32 = 0x10,
ADDR_MODE_ABS32 = 0x30,
ADDR_MODE_REL32 = 0x60,
ADDR_MODE_PC16 = 0x90,
ADDR_MODE_REL12 = 0xa0,
ADDR_MODE_ABS16 = 0xb0,
ADDR_MODE_PCX = 0xd0,
ADDR_MODE_RELX = 0xe0,
};
// branch conditions
enum branch_conditions
{
BRANCH_T = 0x0,
BRANCH_LT = 0x1,
BRANCH_LE = 0x2,
BRANCH_EQ = 0x3,
BRANCH_GT = 0x4,
BRANCH_GE = 0x5,
BRANCH_NE = 0x6,
BRANCH_LTU = 0x7,
BRANCH_LEU = 0x8,
BRANCH_GTU = 0x9,
BRANCH_GEU = 0xa,
BRANCH_V = 0xb,
BRANCH_NV = 0xc,
BRANCH_N = 0xd,
BRANCH_NN = 0xe,
BRANCH_FN = 0xf,
};
enum psw
{
PSW_N = 0x00000001, // negative
PSW_Z = 0x00000002, // zero
PSW_V = 0x00000004, // overflow
PSW_C = 0x00000008, // carry out or borrow in
PSW_FX = 0x00000010, // floating inexact
PSW_FU = 0x00000020, // floating underflow
PSW_FD = 0x00000040, // floating divide by zero
PSW_FV = 0x00000080, // floating overflow
PSW_FI = 0x00000100, // floating invalid operation
PSW_EFX = 0x00000200, // enable floating inexact trap
PSW_EFU = 0x00000400, // enable floating underflow trap
PSW_EFD = 0x00000800, // enable floating divide by zero trap
PSW_EFV = 0x00001000, // enable floating overflow trap
PSW_EFI = 0x00002000, // enable floating invalid operation trap
PSW_EFT = 0x00004000, // enable floating trap
PSW_FR = 0x00018000, // floating rounding mode (2 bits)
// unused (3 bits)
PSW_DSP = 0x00300000, // c400 - delay slot pointer (2 bits)
PSW_BIG = 0x00400000, // c400 - big endian (hardware)
PSW_T = 0x00800000, // trace trap
PSW_CTS = 0x0f000000, // cpu trap status (4 bits)
PSW_MTS = 0xf0000000, // memory trap status (4 bits)
};
enum clipper_ssw
{
SSW_IN = 0x0000000f, // interrupt number (4 bits)
SSW_IL = 0x000000f0, // interrupt level (4 bits)
SSW_EI = 0x00000100, // enable interrupts
SSW_ID = 0x0001fe00, // cpu rev # and type (8 bits)
// unused (5 bits)
SSW_FRD = 0x00400000, // floating registers dirty
SSW_TP = 0x00800000, // trace trap pending
SSW_ECM = 0x01000000, // enabled corrected memory error
SSW_DF = 0x02000000, // fpu disabled
SSW_M = 0x04000000, // mapped mode
SSW_KU = 0x08000000, // user protect key
SSW_UU = 0x10000000, // user data mode
SSW_K = 0x20000000, // protect key
SSW_U = 0x40000000, // user mode
SSW_P = 0x80000000, // previous mode
};
enum exception_vectors
{
// data memory trap group
EXCEPTION_D_CORRECTED_MEMORY_ERROR = 0x108,
EXCEPTION_D_UNCORRECTABLE_MEMORY_ERROR = 0x110,
EXCEPTION_D_ALIGNMENT_FAULT = 0x120,
EXCEPTION_D_PAGE_FAULT = 0x128,
EXCEPTION_D_READ_PROTECT_FAULT = 0x130,
EXCEPTION_D_WRITE_PROTECT_FAULT = 0x138,
// floating-point arithmetic trap group
EXCEPTION_FLOATING_INEXACT = 0x180,
EXCEPTION_FLOATING_UNDERFLOW = 0x188,
EXCEPTION_FLOATING_DIVIDE_BY_ZERO = 0x190,
EXCEPTION_FLOATING_OVERFLOW = 0x1a0,
EXCEPTION_FLOATING_INVALID_OPERATION = 0x1c0,
// integer arithmetic trap group
EXCEPTION_INTEGER_DIVIDE_BY_ZERO = 0x208,
// instruction memory trap group
EXCEPTION_I_CORRECTED_MEMORY_ERROR = 0x288,
EXCEPTION_I_UNCORRECTABLE_MEMORY_ERROR = 0x290,
EXCEPTION_I_ALIGNMENT_FAULT = 0x2a0,
EXCEPTION_I_PAGE_FAULT = 0x2a8,
EXCEPTION_I_EXECUTE_PROTECT_FAULT = 0x2b0,
// illegal operation trap group
EXCEPTION_ILLEGAL_OPERATION = 0x300,
EXCEPTION_PRIVILEGED_INSTRUCTION = 0x308,
// diagnostic trap group
EXCEPTION_TRACE = 0x380,
// supervisor calls (0x400-0x7f8)
EXCEPTION_SUPERVISOR_CALL_BASE = 0x400,
// prioritized interrupts (0x800-0xff8)
EXCEPTION_INTERRUPT_BASE = 0x800,
};
// trap source values are shifted into the correct field in the psw
enum cpu_trap_sources
{
CTS_NO_CPU_TRAP = 0 << 24,
CTS_DIVIDE_BY_ZERO = 2 << 24,
CTS_ILLEGAL_OPERATION = 4 << 24,
CTS_PRIVILEGED_INSTRUCTION = 5 << 24,
CTS_TRACE_TRAP = 7 << 24,
};
enum memory_trap_sources
{
MTS_NO_MEMORY_TRAP = 0 << 28,
MTS_CORRECTED_MEMORY_ERROR = 1 << 28,
MTS_UNCORRECTABLE_MEMORY_ERROR = 2 << 28,
MTS_ALIGNMENT_FAULT = 4 << 28,
MTS_PAGE_FAULT = 5 << 28,
MTS_READ_OR_EXECUTE_PROTECT_FAULT = 6 << 28,
MTS_WRITE_PROTECT_FAULT = 7 << 28,
};
public:
clipper_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, u32 clock, const char *shortname, const char *source);