-extern bool AM, BS, CA, DA, DB, EO, GT, HZ, IN, MI, MS, NC, OS, UL,
- XN;
-extern char *AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *DC, *DL, *DM,
- *DO, *ED, *EI, *HO, *IC, *IM, *IP, *LL, *MA, *ND, *NL,
- *SE, *SF, *SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US,
- *VB, *VE, *VS, PC;
+extern bool AM, BS, CA, DA, DB, EO, HC, HZ, IN, MI, MS, NC, NS, OS, UL,
+ XB, XN, XT, XX;
+extern char *AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
+ *DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
+ *K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
+ *KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
+ *SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
+ *VE, *AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM,
+ *LEFT_PARM, *RIGHT_PARM;
+extern char PC;