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Anatoliy Belyanskiy committed 2023-09-13 23:41:01 +10:00
1 parent cb37592f1a
commit b5c729733c
1 file changed
+5 -2
+5 -2
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@@ -199,13 +199,16 @@ bit7 - CNF_PN[7..6]_RESET by 0 -
bit7..bit3 áà ¡ â뢠î⠯ਠbit2 = 1
‡ ¯¨áì ¢ ¯®àâ #7C ¯®¤ª«îç ¥â �‡“ ¢ ®ª­® 0, § ¯¨áì ¢ ¯®àâ #3C ®âª«îç ¥â
�‡“ ®â ®ª­  0, ¯®í⮬㠯®àâ 7‘/3C ­ §ë¢ ¥âáï System/User.
�‡“ ®â ®ª­  0, ¯®í⮬㠯®àâ 7‘/3C ­ §ë¢ ¥âáï System/User.
�¥à¥ª«î祭¨¥ áâà ­¨æ �‡“ à ¡®â ¥â ¢ í⮬ ¢ à¨ ­â¥ â ª:
¢ �‡“ 16 áâà ­¨æ ®â 0 ¤® 15, ¯®àâ #5C ¨å ¯¥à¥ª«îç ¥â á bit3 xor /SYS (SYS_PORT bit[1..0] = b"0X" (BIOS: Part1/Part0))
¥á«¨ ᤥ« âì ld a,1 : out (sys_port_on),a - â® ­ã¬¥à æ¨ï áâà ­¨æ �‡“ ¡ã¤¥â ¯à ¢¨«ì­ ï ®â 0 ¤® 15,
¥á«¨ ᤥ« âì ld a,0 : out (sys_port_on),a - â® ­ã¬¥à æ¨ï áâà ­¨æ �‡“ ¡ã¤¥â á ¨­¢¥àâ¨à®¢ ­­ë¬ bit3:
áâà ­¨æë �‡“ 0-7 ¡ã¤ã⠭㬥஢ âìáï ª ª 8-15
áâà ­¨æë �‡“ 8-15 ¡ã¤ã⠭㬥஢ âìáï ª ª 0-7
¯¥à¥ª«î祭¨¥ áâà ­¨æ �‡“ ¯®à⮬ #5C ¯à®¨á室¨â ⮫쪮 ¯à¨ ¢®âª­ã⮩ �‡“ ç¥à¥§ sys_port.
Œ®¦­® ¯¥à¥ª«îç âì áâà ­¨æë 祮¥§ ¢­ãâ७­¨© ¯®àâ #8F, ⮣¤  bit4 í⮣® ¯®àâ  ¢ª«îç ¥â ᨣ­ « § ¯¨á¨ ¤«ï �‡“.
’ ª ¦¥ íâ®â ¯®àâ ¤ ñâ ¯àï¬ãî ­ã¬¥à æ¨î áâà ­¨æ ¯à¨ ãáâ ­®¢«¥­­®¬ bit4.
----------------------------------------------------
*/
;=======================================
@@ -1425,7 +1428,7 @@ CBL_SYS_PORT EQU #89 ; CBL_DI
;#8C reserved 3000 -- AY_D READ
;#8D reserved 2000 -- AY_A WRITE
;#8E reserved 2000 -- AY_D WRITE
ROM_RG EQU #8F ; !FIXIT ¯®àâ ¯¥à¥ª«î祭¨ï áâà ­¨æ ROM ¨ FastRam, ¤ã¡«¨àã¥âáï ¢­¥è­¨¬ ¯®à⮬ #5C
ROM_RG EQU #8F ; ¯®àâ ¯¥à¥ª«î祭¨ï áâà ­¨æ ROM ¨ FastRam, ¤ã¡«¨àã¥âáï ¢­¥è­¨¬ ¯®à⮬ #5C
AY_FFFD_WRITE EQU #90 ; AY-8910-port (FFFD) ;!!!!! § ¯¨áì  ¤à¥á ??????
AY_BFFD EQU #91 ; AY-8910-port (BFFD)
;#92 reserved