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Annotation of nono/m680x0/m68030bus.h, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2017 [email protected]
        !             4: //
        !             5: 
        !             6: #pragma once
        !             7: 
        !             8: #include "bus.h"
        !             9: 
        !            10: // 基本アクセス
        !            11: extern uint32 m68030_fetch_8(m68kcpu *cpu);
        !            12: extern uint32 m68030_fetch_16(m68kcpu *cpu);
        !            13: extern uint32 m68030_fetch_32(m68kcpu *cpu);
        !            14: extern uint32 m68030_read_8(m68kcpu *cpu, uint32 addr);
        !            15: extern uint32 m68030_read_16(m68kcpu *cpu, uint32 addr);
        !            16: extern uint32 m68030_read_32(m68kcpu *cpu, uint32 addr);
        !            17: extern void m68030_write_8(m68kcpu *cpu, uint32 addr, uint32 data);
        !            18: extern void m68030_write_16(m68kcpu *cpu, uint32 addr, uint32 data);
        !            19: extern void m68030_write_32(m68kcpu *cpu, uint32 addr, uint32 data);
        !            20: // FC 指定
        !            21: extern uint32 m68030_read_8_fc(m68kcpu *cpu, uint32 addr);
        !            22: extern uint32 m68030_read_16_fc(m68kcpu *cpu, uint32 addr);
        !            23: extern uint32 m68030_read_32_fc(m68kcpu *cpu, uint32 addr);
        !            24: extern void m68030_write_8_fc(m68kcpu *cpu, uint32 addr, uint32 data);
        !            25: extern void m68030_write_16_fc(m68kcpu *cpu, uint32 addr, uint32 data);
        !            26: extern void m68030_write_32_fc(m68kcpu *cpu, uint32 addr, uint32 data);
        !            27: 
        !            28: // 基本アクセスルーチンを使った便利サブルーチン
        !            29: static inline void
        !            30: m68030_push_16(m68kcpu *cpu, uint32 data)
        !            31: {
        !            32:        RegA(7) -= 2;
        !            33:        m68030_write_16(cpu, RegA(7), data);
        !            34: }
        !            35: static inline void
        !            36: m68030_push_32(m68kcpu *cpu, uint32 data)
        !            37: {
        !            38:        RegA(7) -= 4;
        !            39:        m68030_write_32(cpu, RegA(7), data);
        !            40: }
        !            41: 
        !            42: static inline uint32
        !            43: m68030_pop_16(m68kcpu *cpu)
        !            44: {
        !            45:        uint32 data = m68030_read_16(cpu, RegA(7));
        !            46:        RegA(7) += 2;
        !            47:        return data;
        !            48: }
        !            49: 
        !            50: static inline uint32
        !            51: m68030_pop_32(m68kcpu *cpu)
        !            52: {
        !            53:        uint32 data = m68030_read_32(cpu, RegA(7));
        !            54:        RegA(7) += 4;
        !            55:        return data;
        !            56: }

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