Tolik-Trek/ZX-SP-ROMs
1
0
Fork 0
mirror of https://github.com/Tolik-Trek/ZX-SP-ROMs.git synced 2026-06-15 17:31:45 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

адаптация под работу с биосом

Browse Source
This commit is contained in:
Anatoliy Belyanskiy 2023-06-23 00:55:53 +10:00
parent 228f513fe8
commit eb37c13a60
2 changed files with 11 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
SP_128.ASM
View File

@ -922,6 +922,7 @@ NMI_POINT:
; ENT
;SWAP_ROM
RAM_ROUTINES:
L006B: PUSH AF ; Save AF and BC.
PUSH BC ;
LD BC,#7FFD ;
@ -1012,7 +1013,9 @@ L00B5: EX AF,AF' ; Save AF registers. For a read, A holds the byte read
OUT (C),A ; Switch back to original paging configuration.
EI ;
EX AF,AF' ; Restore AF registers. For a read, A holds the byte read and the flags the success status.
RET ; <<< End of RAM Routines >>>
RET
RAM_ROUTINES.Size EQU $-RAM_ROUTINES
;<<<<<<<<<<<<<<<<<<<<<<<<< End of RAM Routines >>>>>>>>>>>>>>>>>>>>>>>>>;
; ===============================
@ -1143,8 +1146,8 @@ L0137: LD B,D ; Complete setting up the sound chip registers.
OUT (C),A ;
LD DE,SWAP_ROM ; #5B00. Copy the various paging routines to the old printer buffer.
LD HL,L006B ; The source is in this ROM.
LD BC,L006B.Size; There are eighty eight bytes to copy.
LD HL,RAM_ROUTINES ; The source is in this ROM.
LD BC,RAM_ROUTINES.Size ; There are eighty eight bytes to copy.
LDIR ; Copy the block of bytes.
LD A,#CF ; Load A with the code for the Z80 instruction 'RST #08'.

6
SP__48.ASM
View File

@ -18971,17 +18971,14 @@ L3B3B: BIT 4,(IY+$01) ; FLAGS 3 - In 128K mode?
JR NZ,L3B46 ; NZ=128K mode
; In 48K mode
XOR A ; Replicate code from standard ROM that the patch over-wrote
LD DE,$1536
RET
; In 128K mode
L3B46: LD HL,$010F ; Vector table entry in Editor ROM -> JP $03A2
; Return to Editor ROM at address in HL
L3B49: EX (SP),HL ; Change the return address
JP $5B00 ; Page Editor ROM and return to the address on the stack
@ -18993,12 +18990,10 @@ L3B4D: BIT 4,(IY+$01) ; In 128K mode?
JR NZ,L3B58 ; NZ=128K mode
; In 48K mode
BIT 7,(IY+$0A) ; replicate code from standard ROM that the patch over-wrote
RET
; In 128K mode
L3B58: LD HL,$0112 ; Handle in Editor ROM by jumping to Vector table entry in Editor ROM -> JP #182A
JR L3B49
@ -19010,7 +19005,6 @@ L3B5D: BIT 4,(IY+$01) ; In 128K mode?
JR NZ,L3B67 ; NZ=128K mode
; In 48K mode
RST 18H ; replicate code from standard ROM that the patch over-wrote
CP $0D
RET