; ============================================================================= ; Console / kbd / print / bank helpers ; Source: VECTOR 4/8086 - V2_AC_Interleaved_XHE_XHO.bin ; CPU: Z80 | base: 0000h | size: 8192 ; Generated linear disassembly with fixed relative branch targets ; ============================================================================= ; --- kbd, print, putchar start, bank 0436 --- 03C0 eb EX DE, HL 03C1 21a909 LD HL, 09A9h 03C4 010900 LD BC, 0009h 03C7 edb0 LDIR 03C9 3add5f LD A, (5FDDh) 03CC 11d800 LD DE, 00D8h 03CF b7 OR A 03D0 c8 RET Z 03D1 11d801 LD DE, 01D8h 03D4 c9 RET 03D5 db01 IN A, (01h) ; KBD STATUS 03D7 e602 AND 02h 03D9 c9 RET 03DA db00 IN A, (00h) ; KBD DATA 03DC c9 RET 03DD f5 PUSH AF ; OUT (00),02 03DE 3e02 LD A, 02h 03E0 d300 OUT (00h), A 03E2 f1 POP AF 03E3 c9 RET 03E4 7e LD A, (HL) ; PRINT bit7-terminated string HL 03E5 cb7f BIT 7, A 03E7 cbbf RES 7, A 03E9 c24304 JP NZ, 0443h 03EC cd4304 CALL 0443h 03EF 23 INC HL 03F0 18f2 JR 03E4h 03F2 f5 PUSH AF 03F3 3e5b LD A, 5Bh 03F5 cd4304 CALL 0443h 03F8 f1 POP AF 03F9 cd0604 CALL 0406h 03FC 3e5d LD A, 5Dh 03FE cd4304 CALL 0443h 0401 3e20 LD A, 20h 0403 c34304 JP 0443h 0406 f5 PUSH AF ; PRINT hex byte A 0407 1f RRA 0408 1f RRA 0409 1f RRA 040A 1f RRA 040B cd1304 CALL 0413h 040E f1 POP AF 040F cd1304 CALL 0413h 0412 c9 RET 0413 e60f AND 0Fh 0415 c630 ADD A, 30h 0417 fe3a CP 3Ah 0419 3802 JR C, 041Dh 041B c607 ADD A, 07h 041D c34304 JP 0443h 0420 7b LD A, E ; bank/page helper for bulk load 0421 e607 AND 07h 0423 0603 LD B, 03h 0425 b7 OR A 0426 cb1a RR D 0428 cb1b RR E 042A 10f9 DJNZ 0425h 042C 53 LD D, E 042D cd3604 CALL 0436h 0430 210070 LD HL, 7000h 0433 84 ADD A, H 0434 67 LD H, A 0435 c9 RET 0436 c5 PUSH BC ; MAP BANK: OUT (16),~D 0437 0e16 LD C, 16h 0439 0670 LD B, 70h 043B f5 PUSH AF 043C 7a LD A, D 043D 2f CPL 043E ed79 OUT (C), A 0440 f1 POP AF 0441 c1 POP BC 0442 c9 RET 0443 f5 PUSH AF ; PUTCHAR A 0444 c5 PUSH BC 0445 d5 PUSH DE 0446 e5 PUSH HL 0447 e67f AND 7Fh 0449 4f LD C, A 044A cdfa04 CALL 04FAh 044D 3ad35f LD A, (5FD3h) ; --- Console clear 0521 --- 0521 217f5f LD HL, 5F7Fh ; CLEAR text RAM ~5800-5F7F 0524 3620 LD (HL), 20h 0526 2b DEC HL 0527 7c LD A, H 0528 fe57 CP 57h 052A 20f8 JR NZ, 0524h 052C 23 INC HL 052D 22d45f LD (5FD4h), HL 0530 af XOR A 0531 32d35f LD (5FD3h), A 0534 210000 LD HL, 0000h 0537 22d05f LD (5FD0h), HL 053A 22d25f LD (5FD2h), HL 053D c9 RET 053E 3e02 LD A, 02h ; --- Handoff stub copied to 674C --- 0573 3e01 LD A, 01h ; STUB: mapper tweak + JP 0000 0575 d302 OUT (02h), A 0577 0600 LD B, 00h 0579 3e00 LD A, 00h 057B 2f CPL 057C 0e16 LD C, 16h 057E ed79 OUT (C), A 0580 db0c IN A, (0Ch) 0582 c30000 JP 0000h