Tolik-Trek/ZX-SP-ROMs
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адаптация под работу с биосом

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Anatoliy Belyanskiy 2023-06-23 00:55:53 +10:00
parent 228f513fe8
commit eb37c13a60
2 changed files with 11 additions and 14 deletions
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19
SP_128.ASM
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@ -876,9 +876,9 @@ NMI_POINT:
; ;
BLOCK #6B-$,0 BLOCK #6B-$,0
; ============ ; ============
; RAM ROUTINES ; RAM ROUTINES
; ============ ; ============
; The following code will be copied to locations #5B00 to #5B57, within the old ZX Printer buffer. ; The following code will be copied to locations #5B00 to #5B57, within the old ZX Printer buffer.
; ----------------- ; -----------------
@ -922,6 +922,7 @@ NMI_POINT:
; ENT ; ENT
;SWAP_ROM ;SWAP_ROM
RAM_ROUTINES:
L006B: PUSH AF ; Save AF and BC. L006B: PUSH AF ; Save AF and BC.
PUSH BC ; PUSH BC ;
LD BC,#7FFD ; 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. OUT (C),A ; Switch back to original paging configuration.
EI ; EI ;
EX AF,AF' ; Restore AF registers. For a read, A holds the byte read and the flags the success status. 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 >>>>>>>>>>>>>>>>>>>>>>>>>;
; =============================== ; ===============================
@ -1142,10 +1145,10 @@ L0137: LD B,D ; Complete setting up the sound chip registers.
LD A,#FF ; Disable AY-3-8912 sound channels. LD A,#FF ; Disable AY-3-8912 sound channels.
OUT (C),A ; OUT (C),A ;
LD DE,SWAP_ROM ; #5B00. Copy the various paging routines to the old printer buffer. 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 HL,RAM_ROUTINES ; The source is in this ROM.
LD BC,L006B.Size; There are eighty eight bytes to copy. LD BC,RAM_ROUTINES.Size ; There are eighty eight bytes to copy.
LDIR ; Copy the block of bytes. LDIR ; Copy the block of bytes.
LD A,#CF ; Load A with the code for the Z80 instruction 'RST #08'. LD A,#CF ; Load A with the code for the Z80 instruction 'RST #08'.
LD (RAMRST),A ; #5B5D. Insert into new System Variable RAMRST. LD (RAMRST),A ; #5B5D. Insert into new System Variable RAMRST.

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