analog/v2-analog-rev1/vga/vgabuf.h
David Kuder f2b9d0ff8a Remove unused flash programming stub
Remove stubs for old flash programming method. New version uses a dedicated mode to allow access to littlefs from the Apple II.
2023-01-08 00:36:06 -05:00

43 lines
1.0 KiB
C

#pragma once
#include <stdint.h>
#include "common/buffers.h"
enum {
SOFTSW_TEXT_MODE = 0x01,
SOFTSW_MIX_MODE = 0x02,
SOFTSW_HIRES_MODE = 0x04,
SOFTSW_MODE_MASK = 0x07,
SOFTSW_PAGE_2 = 0x08,
};
#define text_memory text_p1
#define hires_memory hgr_p1
#define videx_memory (private_memory+0xF000)
extern volatile uint32_t soft_switches;
extern uint8_t character_rom[2048];
extern uint8_t terminal_rom[2048];
extern volatile uint8_t videx_crtc_reg;
extern volatile uint8_t videx_addr;
extern volatile uint8_t terminal_switches;
#define terminal_tbcolor apple_memory[0xC022]
#define terminal_border apple_memory[0xC034]
enum {
TERMINAL_80COL = 0x01,
TERMINAL_DGR = 0x02,
TERMINAL_AUX_WRITE = 0x10,
TERMINAL_TEST = 0x20,
TERMINAL_IIE_REGS = 0x40,
TERMINAL_IIGS_REGS = 0x80,
};
#define TERMINAL_FORE (terminal_tbcolor & 0xf)
#define TERMINAL_BACK ((terminal_tbcolor>>4) & 0xf)
#define TERMINAL_BORDER (terminal_border & 0xf)