; 8K of onboard RAM .equ RAMSTART 0xc000 ; Memory register at the end of RAM. Must not overwrite .equ RAMEND 0xddd0 jp init .fill 0x66-$ retn .inc "err.h" .inc "core.asm" .inc "parse.asm" .inc "sms/kbd.asm" .equ KBD_RAMSTART RAMSTART .equ KBD_FETCHKC smskbdFetchKCB .inc "kbd.asm" .equ VDP_RAMSTART KBD_RAMEND .inc "sms/vdp.asm" .equ STDIO_RAMSTART VDP_RAMEND .inc "stdio.asm" .equ SHELL_RAMSTART STDIO_RAMEND .equ SHELL_EXTRA_CMD_COUNT 0 .inc "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