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LD, LDH, WRAM, and HRAM

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This commit is contained in:
Samuel Walker
2025-01-30 21:59:05 -07:00
parent 1bf98447a3
commit 022c24dd35
11 changed files with 458 additions and 58 deletions
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5
include/bus.h
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@ -3,4 +3,7 @@
#include <common.h>
u8 bus_read(u16 address);
void bus_write(u16 address, u8 value);
void bus_write(u16 address, u8 value);
u16 bus_read16(u16 address);
void bus_write16(u16 address, u16 value);

10
include/cpu.h
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@ -30,6 +30,7 @@ typedef struct {
bool stepping;
bool int_master_enabled;
u8 ie_register;
} cpu_context;
void cpu_init();
@ -42,4 +43,11 @@ IN_PROC inst_get_processor(in_type type);
#define CPU_FLAG_Z BIT(ctx->regs.f, 7)
#define CPU_FLAG_C BIT(ctx->regs.f, 4)
u16 cpu_read_reg(reg_type rt);
u16 cpu_read_reg(reg_type rt);
void cpu_set_reg(reg_type rt, u16 val);
void fetch_data();
u8 cpu_get_ie_register();
void cpu_set_ie_register(u8 ie);

9
include/ram.h Normal file
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@ -0,0 +1,9 @@
#pragma once
#include <common.h>
u8 wram_read(u16 address);
void wram_write(u16 address, u8 value);
u8 hram_read(u16 address);
void hram_write(u16 address, u8 value);