mapper.h

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// Copyright 2023 LLVM-MOS Project
// Licensed under the Apache License, Version 2.0 with LLVM Exceptions.
// See https://github.com/llvm-mos/llvm-mos-sdk/blob/main/LICENSE for license
// information.
 
#ifndef _MAPPER_H_
#define _MAPPER_H_
 
#include <stdbool.h>
#include <ines.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define PRG_BANK_MASK         0x0F
#define PRG_BANK_SHIFT        0
#define CHR_BANK_MASK  0x10
#define CHR_BANK_SHIFT 4
#define CHR_BANK_0    0x00
#define CHR_BANK_1    0x10
#define NT_BANK_MASK   0x20
#define NT_BANK_SHIFT  5
#define NT_BANK_0     0x00
#define NT_BANK_1     0x20
#define MAPPER_RED_LED        0x40
#define MAPPER_GREEN_LED      0x80
 
__attribute__((leaf)) char get_bank_state(void);
 
__attribute__((leaf)) char set_bank_state(char value);
 
__attribute__((leaf, callback(2))) void banked_call(char bank_id,
                                                    void (*method)(void));
 
__attribute__((leaf)) char get_prg_bank(void);
 
__attribute__((leaf)) char set_prg_bank(char bank_id);
 
__attribute__((leaf)) char set_mapper_red_led(bool value);
 
__attribute__((leaf)) char set_mapper_green_led(bool value);
 
__attribute__((leaf)) void set_chr_bank(char bank_id);
 
__attribute__((leaf)) void swap_chr_bank(char bank_id);
 
__attribute__((leaf)) void split_chr_bank(char bank_id);
 
__attribute__((leaf)) void set_nt_bank(char bank_id);
 
__attribute__((leaf)) void swap_nt_bank(char bank_id);
 
__attribute__((leaf)) void split_nt_bank(char bank_id);
 
#ifdef __cplusplus
}
#endif
 
#endif // _MAPPER_H_