bootrom.h

#include "stdint.h"

uint16_t bootrom[] = {
    0042113,          /* "KD" */
    0012706, 02000,   /* MOV #boot_start, SP */
    0012700, 0000000, /* MOV #unit, R0        ; unit number */
    0010003,          /* MOV R0, R3 */
    0000303,          /* SWAB R3 */
    0006303,          /* ASL R3 */
    0006303,          /* ASL R3 */
    0006303,          /* ASL R3 */
    0006303,          /* ASL R3 */
    0006303,          /* ASL R3 */
    0012701, 0177412, /* MOV #RKDA, R1        ; csr */
    0010311,          /* MOV R3, (R1)         ; load da */
    0005041,          /* CLR -(R1)            ; clear ba */
    0012741, 0177000, /* MOV #-256.*2, -(R1)  ; load wc */
    0012741, 0000005, /* MOV #READ+GO, -(R1)  ; read & go */
    0005002,          /* CLR R2 */
    0005003,          /* CLR R3 */
    0012704, 02020,   /* MOV #START+20, R4 */
    0005005,          /* CLR R5 */
    0105711,          /* TSTB (R1) */
    0100376,          /* BPL .-2 */
    0105011,          /* CLRB (R1) */
    0005007,          /* CLR PC */
};

uint16_t consecho[] = {
    0012700, 0177560,          // mov #kbs, r0
    0105710,                   // wait:   tstb (r0)       ; character received?
    0100376,                   // bpl wait        ; no, loop
    0016060, 0000002, 0000006, //           mov 2(r0),6(r0) ; transmit data
    0000772,                   // br wait         ; get next character
};