; 8K of onboard RAM
.equ	RAMSTART	0xc000
; Memory register at the end of RAM. Must not overwrite
.equ	RAMEND		0xfdd0

	jp	init

.fill 0x66-$
	retn

#include "err.h"
#include "core.asm"
#include "parse.asm"

#include "sms/kbd.asm"
.equ	KBD_RAMSTART	RAMSTART
.equ	KBD_FETCHKC	smskbdFetchKCA
#include "kbd.asm"

.equ	VDP_RAMSTART	KBD_RAMEND
#include "sms/vdp.asm"

.equ	STDIO_RAMSTART	VDP_RAMEND
#include "stdio.asm"

.equ	SHELL_RAMSTART	STDIO_RAMEND
.equ	SHELL_EXTRA_CMD_COUNT 0
#include "shell.asm"

init:
	di
	im	1

	ld	sp, RAMEND

	; Initialize the keyboard latch by "dummy reading" once. This ensures
	; that the adapter knows it can fill its '164.
	; Port B TH output, high
	ld	a, 0b11110111
	out	(0x3f), a
	nop
	; Port A/B reset
	ld	a, 0xff
	out	(0x3f), a

	call	kbdInit
	call	vdpInit

	ld	hl, kbdGetC
	ld	de, vdpPutC
	call	stdioInit
	call	shellInit
	jp	shellLoop

.fill 0x7ff0-$
.db "TMR SEGA", 0x00, 0x00, 0xfb, 0x68, 0x00, 0x00, 0x00, 0x4c