mirror of
https://github.com/holub/mame
synced 2025-06-01 02:21:48 +03:00
better cmos i/o handling
This commit is contained in:
hap
parent
bb75bf30c6
commit
26c1d03b94
@ -21,8 +21,8 @@ enum
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FAMILY_HMCS47,
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};
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#define IS_CMOS true
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#define IS_PMOS false
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#define IS_PMOS 0
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#define IS_CMOS ~0
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#include "hmcs40.h"
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#include "debugger.h"
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@ -89,8 +89,8 @@ ADDRESS_MAP_END
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// device definitions
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hmcs43_cpu_device::hmcs43_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS43, is_cmos, 3, 10, 11, ADDRESS_MAP_NAME(program_1k), 7, ADDRESS_MAP_NAME(data_80x4), shortname, __FILE__)
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hmcs43_cpu_device::hmcs43_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS43, polarity, 3, 10, 11, ADDRESS_MAP_NAME(program_1k), 7, ADDRESS_MAP_NAME(data_80x4), shortname, __FILE__)
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{ }
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hd38750_device::hd38750_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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@ -107,8 +107,8 @@ hd44758_device::hd44758_device(const machine_config &mconfig, const char *tag, d
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{ }
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hmcs44_cpu_device::hmcs44_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS44, is_cmos, 4, 11, 12, ADDRESS_MAP_NAME(program_2k), 8, ADDRESS_MAP_NAME(data_160x4), shortname, __FILE__)
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hmcs44_cpu_device::hmcs44_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS44, polarity, 4, 11, 12, ADDRESS_MAP_NAME(program_2k), 8, ADDRESS_MAP_NAME(data_160x4), shortname, __FILE__)
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{ }
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hd38800_device::hd38800_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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@ -125,8 +125,8 @@ hd44808_device::hd44808_device(const machine_config &mconfig, const char *tag, d
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{ }
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hmcs45_cpu_device::hmcs45_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS45, is_cmos, 4, 11, 12, ADDRESS_MAP_NAME(program_2k), 8, ADDRESS_MAP_NAME(data_160x4), shortname, __FILE__)
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hmcs45_cpu_device::hmcs45_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname)
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: hmcs40_cpu_device(mconfig, type, name, tag, owner, clock, FAMILY_HMCS45, polarity, 4, 11, 12, ADDRESS_MAP_NAME(program_2k), 8, ADDRESS_MAP_NAME(data_160x4), shortname, __FILE__)
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{ }
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hd38820_device::hd38820_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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@ -185,15 +185,14 @@ void hmcs40_cpu_device::device_start()
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m_datamask = (1 << m_datawidth) - 1;
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m_pcmask = (1 << m_pcwidth) - 1;
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UINT8 defval = (m_is_cmos) ? 0xf : 0;
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m_read_r0.resolve_safe(defval);
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m_read_r1.resolve_safe(defval);
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m_read_r2.resolve_safe(defval);
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m_read_r3.resolve_safe(defval);
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m_read_r4.resolve_safe(defval);
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m_read_r5.resolve_safe(defval);
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m_read_r6.resolve_safe(defval);
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m_read_r7.resolve_safe(defval);
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m_read_r0.resolve_safe(0);
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m_read_r1.resolve_safe(0);
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m_read_r2.resolve_safe(0);
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m_read_r3.resolve_safe(0);
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m_read_r4.resolve_safe(0);
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m_read_r5.resolve_safe(0);
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m_read_r6.resolve_safe(0);
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m_read_r7.resolve_safe(0);
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m_write_r0.resolve_safe();
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m_write_r1.resolve_safe();
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@ -204,7 +203,7 @@ void hmcs40_cpu_device::device_start()
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m_write_r6.resolve_safe();
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m_write_r7.resolve_safe();
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m_read_d.resolve_safe((m_is_cmos) ? 0xffff : 0);
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m_read_d.resolve_safe(0);
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m_write_d.resolve_safe();
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// zerofill
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@ -270,12 +269,12 @@ void hmcs40_cpu_device::device_reset()
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m_prev_op = m_op = 0;
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// clear i/o
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m_d = (m_is_cmos) ? 0xffff : 0;
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m_d = m_polarity;
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for (int i = 0; i < 16; i++)
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hmcs40_cpu_device::write_d(i, (m_is_cmos) ? 1 : 0);
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hmcs40_cpu_device::write_d(i, 0);
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for (int i = 0; i < 8; i++)
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hmcs40_cpu_device::write_r(i, (m_is_cmos) ? 0xf : 0);
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hmcs40_cpu_device::write_r(i, 0);
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}
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@ -301,28 +300,25 @@ UINT8 hmcs40_cpu_device::read_r(int index)
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case 7: inp = m_read_r7(index, 0xff); break;
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}
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if (m_is_cmos)
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return (inp & m_r[index]) & 0xf;
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else
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return (inp | m_r[index]) & 0xf;
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return ((inp ^ m_polarity) | m_r[index]) & 0xf;
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}
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void hmcs40_cpu_device::write_r(int index, UINT8 data)
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{
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index &= 7;
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data &= 0xf;
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data = (data ^ m_polarity) & 0xf;
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m_r[index] = data;
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switch (index)
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{
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case 0: m_write_r0(index, m_r[index], 0xff); break;
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case 1: m_write_r1(index, m_r[index], 0xff); break;
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case 2: m_write_r2(index, m_r[index], 0xff); break;
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case 3: m_write_r3(index, m_r[index], 0xff); break;
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case 4: m_write_r4(index, m_r[index], 0xff); break;
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case 5: m_write_r5(index, m_r[index], 0xff); break;
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case 6: m_write_r6(index, m_r[index], 0xff); break;
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case 7: m_write_r7(index, m_r[index], 0xff); break;
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case 0: m_write_r0(index, data, 0xff); break;
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case 1: m_write_r1(index, data, 0xff); break;
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case 2: m_write_r2(index, data, 0xff); break;
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case 3: m_write_r3(index, data, 0xff); break;
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case 4: m_write_r4(index, data, 0xff); break;
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case 5: m_write_r5(index, data, 0xff); break;
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case 6: m_write_r6(index, data, 0xff); break;
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case 7: m_write_r7(index, data, 0xff); break;
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}
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}
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@ -330,17 +326,15 @@ int hmcs40_cpu_device::read_d(int index)
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{
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index &= 15;
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if (m_is_cmos)
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return (m_read_d(index, 0xffff) & m_d) >> index & 1;
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else
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return (m_read_d(index, 0xffff) | m_d) >> index & 1;
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return ((m_read_d(index, 0xffff) ^ m_polarity) | m_d) >> index & 1;
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}
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void hmcs40_cpu_device::write_d(int index, int state)
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{
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index &= 15;
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state = (((state) ? 1 : 0) ^ m_polarity) & 1;
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m_d = (m_d & ~(1 << index)) | (((state) ? 1 : 0) << index);
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m_d = (m_d & ~(1 << index)) | state << index;
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m_write_d(index, m_d, 0xffff);
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}
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@ -373,12 +367,9 @@ int hmcs43_cpu_device::read_d(int index)
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index &= 15;
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if (index >= 4)
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{
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logerror("%s read from output pin D%d at $%04X\n", tag(), index, m_prev_pc << 1);
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return m_d >> index & 1;
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}
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else
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return hmcs40_cpu_device::read_d(index);
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return hmcs40_cpu_device::read_d(index);
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}
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// HMCS44:
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@ -479,10 +470,10 @@ void hmcs40_cpu_device::execute_run()
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case 0x004: case 0x005: case 0x006: case 0x007:
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op_sem(); break;
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case 0x008: case 0x009: case 0x00a: case 0x00b:
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op_lam(); break;
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/* ok */ op_lam(); break;
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case 0x010: case 0x011: case 0x012: case 0x013: case 0x014: case 0x015: case 0x016: case 0x017:
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case 0x018: case 0x019: case 0x01a: case 0x01b: case 0x01c: case 0x01d: case 0x01e: case 0x01f:
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op_lmiiy(); break;
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/* ok */ op_lmiiy(); break;
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case 0x020: case 0x021: case 0x022: case 0x023:
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op_lbm(); break;
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case 0x030:
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@ -491,7 +482,7 @@ void hmcs40_cpu_device::execute_run()
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op_lta(); break;
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case 0x040:
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op_lxa(); break;
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/* ok */ op_lxa(); break;
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case 0x04b:
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op_rec(); break;
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case 0x04f:
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@ -506,15 +497,15 @@ void hmcs40_cpu_device::execute_run()
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op_ib(); break;
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case 0x070: case 0x071: case 0x072: case 0x073: case 0x074: case 0x075: case 0x076: case 0x077:
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case 0x078: case 0x079: case 0x07a: case 0x07b: case 0x07c: case 0x07d: case 0x07e: case 0x07f:
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op_lai(); break;
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/* ok */ op_lai(); break;
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case 0x080: case 0x081: case 0x082: case 0x083: case 0x084: case 0x085: case 0x086: case 0x087:
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case 0x088: case 0x089: case 0x08a: case 0x08b: case 0x08c: case 0x08d: case 0x08e: case 0x08f:
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op_ai(); break;
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/* ok */ op_ai(); break;
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case 0x090:
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op_sed(); break;
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/* ok */ op_sed(); break;
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case 0x094:
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op_td(); break;
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/* ok */ op_td(); break;
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case 0x0a0:
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op_seif1(); break;
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case 0x0a1:
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@ -549,13 +540,13 @@ void hmcs40_cpu_device::execute_run()
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case 0x140: case 0x141: case 0x142: case 0x143: case 0x144: case 0x145: case 0x146: case 0x147:
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case 0x148: case 0x149: case 0x14a: case 0x14b: case 0x14c: case 0x14d: case 0x14e: case 0x14f:
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op_lxi(); break;
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/* ok */ op_lxi(); break;
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case 0x150: case 0x151: case 0x152: case 0x153: case 0x154: case 0x155: case 0x156: case 0x157:
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case 0x158: case 0x159: case 0x15a: case 0x15b: case 0x15c: case 0x15d: case 0x15e: case 0x15f:
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op_lyi(); break;
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/* ok */ op_lyi(); break;
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case 0x160: case 0x161: case 0x162: case 0x163: case 0x164: case 0x165: case 0x166: case 0x167:
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case 0x168: case 0x169: case 0x16a: case 0x16b: case 0x16c: case 0x16d: case 0x16e: case 0x16f:
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op_lbi(); break;
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/* ok */ op_lbi(); break;
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case 0x170: case 0x171: case 0x172: case 0x173: case 0x174: case 0x175: case 0x176: case 0x177:
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case 0x178: case 0x179: case 0x17a: case 0x17b: case 0x17c: case 0x17d: case 0x17e: case 0x17f:
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op_lti(); break;
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@ -579,7 +570,7 @@ void hmcs40_cpu_device::execute_run()
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case 0x1e8: case 0x1e9: case 0x1ea: case 0x1eb: case 0x1ec: case 0x1ed: case 0x1ee: case 0x1ef:
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case 0x1f0: case 0x1f1: case 0x1f2: case 0x1f3: case 0x1f4: case 0x1f5: case 0x1f6: case 0x1f7:
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case 0x1f8: case 0x1f9: case 0x1fa: case 0x1fb: case 0x1fc: case 0x1fd: case 0x1fe: case 0x1ff:
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op_br(); break;
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/* ok */ op_br(); break;
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/* 0x200 */
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@ -594,7 +585,7 @@ void hmcs40_cpu_device::execute_run()
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case 0x218: case 0x219: case 0x21a: case 0x21b: case 0x21c: case 0x21d: case 0x21e: case 0x21f:
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op_mnei(); break;
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case 0x220: case 0x221: case 0x222: case 0x223:
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op_xmb(); break;
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/* ok */ op_xmb(); break;
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case 0x224:
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op_rotr(); break;
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case 0x225:
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@ -624,7 +615,7 @@ void hmcs40_cpu_device::execute_run()
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case 0x288: case 0x289: case 0x28a: case 0x28b: case 0x28c: case 0x28d: case 0x28e: case 0x28f:
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op_ynei(); break;
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case 0x290:
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op_red(); break;
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/* ok */ op_red(); break;
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case 0x2a0:
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op_reif1(); break;
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case 0x2a1:
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@ -637,7 +628,7 @@ void hmcs40_cpu_device::execute_run()
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op_retf(); break;
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case 0x2c0: case 0x2c1: case 0x2c2: case 0x2c3: case 0x2c4: case 0x2c5: case 0x2c6: case 0x2c7:
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op_lra(); break;
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/* ok */ op_lra(); break;
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case 0x2d0: case 0x2d1: case 0x2d2: case 0x2d3: case 0x2d4: case 0x2d5: case 0x2d6: case 0x2d7:
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case 0x2d8: case 0x2d9: case 0x2da: case 0x2db: case 0x2dc: case 0x2dd: case 0x2de: case 0x2df:
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op_redd(); break;
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@ -653,16 +644,16 @@ void hmcs40_cpu_device::execute_run()
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case 0x348: case 0x349: case 0x34a: case 0x34b: case 0x34c: case 0x34d: case 0x34e: case 0x34f:
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case 0x350: case 0x351: case 0x352: case 0x353: case 0x354: case 0x355: case 0x356: case 0x357:
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case 0x358: case 0x359: case 0x35a: case 0x35b: case 0x35c: case 0x35d: case 0x35e: case 0x35f:
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op_lpu(); break;
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/* ok */ op_lpu(); break;
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case 0x360: case 0x361: case 0x362: case 0x363: case 0x364: case 0x365: case 0x366: case 0x367:
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op_tbr(); break;
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case 0x368: case 0x369: case 0x36a: case 0x36b: case 0x36c: case 0x36d: case 0x36e: case 0x36f:
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op_p(); break;
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/* ok */ op_p(); break;
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case 0x3a4:
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op_rtni(); break;
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case 0x3a7:
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op_rtn(); break;
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/* ok */ op_rtn(); break;
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case 0x3c0: case 0x3c1: case 0x3c2: case 0x3c3: case 0x3c4: case 0x3c5: case 0x3c6: case 0x3c7:
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case 0x3c8: case 0x3c9: case 0x3ca: case 0x3cb: case 0x3cc: case 0x3cd: case 0x3ce: case 0x3cf:
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@ -672,7 +663,7 @@ void hmcs40_cpu_device::execute_run()
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case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
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case 0x3f0: case 0x3f1: case 0x3f2: case 0x3f3: case 0x3f4: case 0x3f5: case 0x3f6: case 0x3f7:
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case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
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op_cal(); break;
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/* ok */ op_cal(); break;
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default:
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@ -32,7 +32,7 @@ class hmcs40_cpu_device : public cpu_device
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{
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public:
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// construction/destruction
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hmcs40_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, int family, bool is_cmos, int stack_levels, int pcwidth, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source)
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hmcs40_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, int family, UINT16 polarity, int stack_levels, int pcwidth, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source)
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: cpu_device(mconfig, type, name, tag, owner, clock, shortname, source)
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, m_program_config("program", ENDIANNESS_LITTLE, 16, prgwidth, -1, program)
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, m_data_config("data", ENDIANNESS_LITTLE, 8, datawidth, 0, data)
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@ -40,7 +40,7 @@ public:
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, m_prgwidth(prgwidth)
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, m_datawidth(datawidth)
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, m_family(family)
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, m_is_cmos(is_cmos)
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, m_polarity(polarity)
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, m_stack_levels(stack_levels)
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, m_read_r0(*this), m_read_r1(*this), m_read_r2(*this), m_read_r3(*this), m_read_r4(*this), m_read_r5(*this), m_read_r6(*this), m_read_r7(*this)
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, m_write_r0(*this), m_write_r1(*this), m_write_r2(*this), m_write_r3(*this), m_write_r4(*this), m_write_r5(*this), m_write_r6(*this), m_write_r7(*this)
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@ -102,7 +102,7 @@ protected:
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int m_prgmask;
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int m_datamask;
|
||||
int m_family; // MCU family (42-47)
|
||||
bool m_is_cmos;
|
||||
UINT16 m_polarity; // i/o polarity (pmos vs cmos)
|
||||
int m_stack_levels; // number of callstack levels
|
||||
UINT16 m_stack[4]; // max 4
|
||||
UINT16 m_op; // current opcode
|
||||
@ -244,7 +244,7 @@ protected:
|
||||
class hmcs43_cpu_device : public hmcs40_cpu_device
|
||||
{
|
||||
public:
|
||||
hmcs43_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname);
|
||||
hmcs43_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname);
|
||||
|
||||
protected:
|
||||
// overrides
|
||||
@ -281,7 +281,7 @@ public:
|
||||
class hmcs44_cpu_device : public hmcs40_cpu_device
|
||||
{
|
||||
public:
|
||||
hmcs44_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname);
|
||||
hmcs44_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname);
|
||||
|
||||
protected:
|
||||
// overrides
|
||||
@ -317,7 +317,7 @@ public:
|
||||
class hmcs45_cpu_device : public hmcs40_cpu_device
|
||||
{
|
||||
public:
|
||||
hmcs45_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, bool is_cmos, const char *shortname);
|
||||
hmcs45_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT16 polarity, const char *shortname);
|
||||
|
||||
protected:
|
||||
// overrides
|
||||
|
||||
Loading…
Reference in New Issue
Block a user