mirror of
https://github.com/a2-4am/4cade.git
synced 2024-06-12 05:29:36 +00:00
split some LC2 files and rename
This commit is contained in:
4am
parent
2563a0467a
commit
3ad3a3b0d6
18
src/4cade.a
18
src/4cade.a
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@ -89,7 +89,7 @@ ResetVector ; 6 bytes, copied to $100
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!source "src/ui.browse.mode.a" ; /
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!source "src/ui.attract.hgr.a" ; \__ execution falls through
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!source "src/glue.font.a" ; /
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!source "src/ui.font.a" ; /
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!source "src/prodos.path.a"
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!source "src/ui.overlay.a"
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@ -149,11 +149,13 @@ LastMover
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FONTSRC = *
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!pseudopc STACKBASE + 16 {
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FONTDST = *
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!source "src/ui.font.data.a"
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!source "src/ui.font.data.lc2.a"
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COPYDST = *
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COPYSRC = LastMover + COPYDST - FONTDST
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!source "src/ui.font.a"
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!source "src/prodos.impl.a"
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!source "src/ui.font.lc2.a"
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!source "src/prodos.impl.lc2.a"
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!source "src/glue.prorwts2.lc2.a"
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!source "src/glue.launch.lc2.a"
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LCRAM2_END = *
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!if * > $E000 {
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!error "code is too large: ends at ", *
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@ -166,8 +168,10 @@ EvenLasterMover
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COPYSRC = *
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!pseudopc hdddataend {
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COPYDST = *
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!source "src/prodos.impl.a"
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!source "src/ui.font.a"
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!source "src/prodos.impl.lc2.a"
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!source "src/ui.font.lc2.a"
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!source "src/glue.prorwts2.lc2.a"
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!source "src/glue.launch.lc2.a"
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STACKBASE = *
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LCRAM2_END = STACKBASE + 16
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FONTDST = (LCRAM2_END + 255) and -256
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@ -175,7 +179,7 @@ EvenLasterMover
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EvenLasterMover
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FONTSRC = *
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!pseudopc FONTDST {
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!source "src/ui.font.data.a"
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!source "src/ui.font.data.lc2.a"
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!if * > $E000 {
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!error "code is too large: ends at ", *
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}
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@ -1,41 +0,0 @@
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;license:MIT
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;(c) 2018-9 by 4am
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;
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; hi-res font drawing routines
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;
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; Glue functions that handle bank switching and calling the real font drawing routines
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; that live in LC RAM 2 now.
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;
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; Public functions
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; - DrawPage
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; - Draw40Chars
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; - DrawCenteredString
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; - DrawString
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; - DrawBuffer
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;
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; /!\ execution falls through from ui.attract.hgr/HGRActionCallback
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DrawString
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jsr SwitchToBank2
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jsr DrawStringInternal
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jmp SwitchToBank1
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DrawPage
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jsr SwitchToBank2
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jsr DrawPageInternal
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jmp SwitchToBank1
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Draw40Chars
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jsr SwitchToBank2
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jsr Draw40CharsInternal
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jmp SwitchToBank1
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DrawCenteredString
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jsr SwitchToBank2
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jsr DrawCenteredStringInternal
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jmp SwitchToBank1
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DrawBuffer
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jsr SwitchToBank2
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jsr DrawBufferInternal
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jmp SwitchToBank1
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23
src/glue.launch.lc2.a
Normal file
23
src/glue.launch.lc2.a
Normal file
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@ -0,0 +1,23 @@
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LaunchInternal
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jsr SaveOrRestoreScreenHoles ; save screen hole contents
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ldy #$F1
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- lda $100,y
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sta STACKBASE - $F0,y ; back up stack
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iny
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bne -
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tsx ; back up stack pointer
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stx STACKBASE
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sty RestoreStackNextTime + 1
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; tell |Reenter| to restore the stack and stack pointer
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ldx #(end_promote-promote-1)
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- lda promote,x ; copy ProDOS shim to main memory
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sta $bf00,x
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dex
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bpl -
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tya
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ldy #$18
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- sta $bf57,y
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dey
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bne -
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jmp $106 ; jump to pre-launch code
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62
src/glue.prorwts2.lc2.a
Normal file
62
src/glue.prorwts2.lc2.a
Normal file
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@ -0,0 +1,62 @@
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LoadFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename
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jsr traverse ; go to subdirectory, set up filename for read
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lda #cmdread ; read (instead of write)
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sta reqcmd
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lda #0 ; 0 = read into main memory
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sta auxreq
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lda ldrlo+1
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bne + ; if caller provided a load address, use it
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sta sizelo ; otherwise query the load address from file metadata
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sta sizehi ; 0 = query load address
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jsr hddopendir ; call ProRWTS2
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+LDAY ldrlo2
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+STAY ldrlo
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+ lda #$FF ; read entire file (ProRWTS2 will figure out exact size)
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sta sizehi
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jmp hddopendir ; exit via ProRWTS2
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LoadDHRFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename
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jsr traverse ; go to subdirectory, set up filename for read
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lda #$00 ; read first $2000 bytes
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sta sizelo
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sta ldrlo
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lda #$20
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sta sizehi
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asl
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sta ldrhi ; into $4000
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lda #1 ; 1 = read into aux memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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jsr hddopendir ; call ProRWTS2
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lda #$20 ; read next $2000 bytes
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sta sizehi
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asl
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sta ldrhi ; into $4000
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dec auxreq ; 0 = read into main memory
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clc ; not a subdirectory
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jmp hddrdwrpart ; call ProRWTS2
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SaveSmallFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename for ProRWTS2
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jsr traverse ; go to subdirectory, set up filename for read
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;;if the write address is always a fixed value then we can discard the query
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lda #cmdread ; read (instead of write)
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sta reqcmd
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lda #0 ; 0 = read into main memory
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sta sizelo
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sta sizehi ; 0 = query load address
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jsr hddopendir ; call ProRWTS2
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lda ldrlo2
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sta ldrlo
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lda ldrhi2
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sta ldrhi
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lda #cmdwrite ; write (instead of read)
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sta reqcmd
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sta sizehi ; 512 bytes
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jmp hddopendir ; exit via ProRWTS2 (must re-open the file after query)
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@ -568,93 +568,6 @@ holepatch ;sta->lda
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holey_stuff
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!fill 64
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LoadFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename
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jsr traverse ; go to subdirectory, set up filename for read
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lda #cmdread ; read (instead of write)
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sta reqcmd
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lda #0 ; 0 = read into main memory
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sta auxreq
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lda ldrlo+1
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bne + ; if caller provided a load address, use it
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sta sizelo ; otherwise query the load address from file metadata
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sta sizehi ; 0 = query load address
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jsr hddopendir ; call ProRWTS2
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+LDAY ldrlo2
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+STAY ldrlo
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+ lda #$FF ; read entire file (ProRWTS2 will figure out exact size)
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sta sizehi
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jmp hddopendir ; exit via ProRWTS2
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LoadDHRFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename
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jsr traverse ; go to subdirectory, set up filename for read
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lda #$00 ; read first $2000 bytes
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sta sizelo
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sta ldrlo
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lda #$20
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sta sizehi
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asl
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sta ldrhi ; into $4000
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lda #1 ; 1 = read into aux memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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jsr hddopendir ; call ProRWTS2
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lda #$20 ; read next $2000 bytes
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sta sizehi
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asl
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sta ldrhi ; into $4000
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dec auxreq ; 0 = read into main memory
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clc ; not a subdirectory
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jmp hddrdwrpart ; call ProRWTS2
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SaveSmallFileInternal
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+LDADDR gPathname
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+STAY namlo ; set filename for ProRWTS2
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jsr traverse ; go to subdirectory, set up filename for read
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;;if the write address is always a fixed value then we can discard the query
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lda #cmdread ; read (instead of write)
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sta reqcmd
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lda #0 ; 0 = read into main memory
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sta sizelo
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sta sizehi ; 0 = query load address
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jsr hddopendir ; call ProRWTS2
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lda ldrlo2
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sta ldrlo
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lda ldrhi2
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sta ldrhi
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lda #cmdwrite ; write (instead of read)
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sta reqcmd
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sta sizehi ; 512 bytes
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jmp hddopendir ; exit via ProRWTS2 (must re-open the file after query)
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LaunchInternal
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jsr SaveOrRestoreScreenHoles ; save screen hole contents
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ldy #$F1
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- lda $100,y
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sta STACKBASE - $F0,y ; back up stack
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iny
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bne -
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tsx ; back up stack pointer
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stx STACKBASE
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sty RestoreStackNextTime + 1
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; tell |Reenter| to restore the stack and stack pointer
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ldx #(end_promote-promote-1)
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- lda promote,x ; copy ProDOS shim to main memory
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sta $bf00,x
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dex
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bpl -
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tya
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ldy #$18
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- sta $bf57,y
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dey
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bne -
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jmp $106 ; jump to pre-launch code
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EnableAcceleratorAndSwitchToBank1
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jsr EnableAccelerator
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jmp SwitchToBank1
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245
src/ui.font.a
245
src/ui.font.a
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@ -3,222 +3,39 @@
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;
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; hi-res font drawing routines
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;
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; /!\ These live in LC RAM 2 and rely on the font data which is also in LC RAM 2. /!\
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; Code in LC RAM 1 (which is most program code) should call the functions in glue.font
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; which handle bank switching for you.
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; Glue functions that handle bank switching and calling the real font drawing routines
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; that live in LC RAM 2 now.
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;
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; Public functions
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; - DrawPageInternal
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; - Draw40CharsInternal
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; - DrawCenteredStringInternal
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; - DrawStringInternal
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; - DrawBufferInternal
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; - DrawPage
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; - Draw40Chars
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; - DrawCenteredString
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; - DrawString
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; - DrawBuffer
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;
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DrawPageInternal
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; A/Y contains address of character buffer
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; carry bit clear -> draw on page 1
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; carry bit set -> draw on page 2
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; drawing starts at VTAB 0, HTAB 0
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; clobbers PTR
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; clobbers A/X/Y
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; preserves all flags, by a quirk of implementation
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php
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ldx #0
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stx VTAB
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+STAY PTR
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@drawLine
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ldy #0
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sty HTAB
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@parseLine
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lda (PTR),y
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cmp #$5B ; '[' at beginning on line
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bne + ; ends the parsing
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tya
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beq @donePage
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+ cmp #$0D
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beq @doneParsingLine
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cmp #$2A
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bne +
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lda #$10
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sta (PTR),y ; asterisk -> dot, small
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+ cmp #$7E
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bne +
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lda #$11
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sta (PTR),y ; tilde -> dot, medium
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+ iny
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bne @parseLine
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@doneParsingLine
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sty SAVE
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cpy #0
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beq @skip
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ldx SAVE
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+LDAY PTR
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plp
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php
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; /!\ execution falls through from ui.attract.hgr/HGRActionCallback
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DrawString
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jsr SwitchToBank2
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jsr DrawStringInternal
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jmp SwitchToBank1
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DrawPage
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jsr SwitchToBank2
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jsr DrawPageInternal
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jmp SwitchToBank1
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Draw40Chars
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jsr SwitchToBank2
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jsr Draw40CharsInternal
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jmp SwitchToBank1
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DrawCenteredString
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jsr SwitchToBank2
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jsr DrawCenteredStringInternal
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jmp SwitchToBank1
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DrawBuffer
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jsr SwitchToBank2
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jsr DrawBufferInternal
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@skip inc SAVE ; skip carriage return
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lda SAVE ; advance PTR to start of next line
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clc
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adc PTR
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sta PTR
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bcc +
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inc PTR+1
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+ inc VTAB ; this will print 255 lines if you give it
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bne @drawLine ; 255 lines, so don't do that
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@donePage
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plp
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rts
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Draw40CharsInternal
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; A/Y contains address of character buffer
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; carry bit clear -> draw on page 1
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; carry bit set -> draw on page 2
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; $25 contains textpage line (0..23) (this is the standard VTAB address)
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; drawing starts at HTAB 0
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; increments VTAB
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; sets HTAB to 0 on exit
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; clobbers A/X/Y
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jsr +
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ldx #40
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jsr DrawBufferInternal
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inc VTAB
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+ ldx #0
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stx HTAB
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rts
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DrawCenteredStringInternal
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; A/Y contains address of length-prefixed string
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; carry bit clear -> draw on page 1
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; carry bit set -> draw on page 2
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; $25 contains textpage line (0..23) (this is the standard VTAB address)
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; clobbers A/X/Y
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; clobbers PTR/PTR+1
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+STAY PTR
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php
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ldy #0
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lda (PTR),y
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sta HTAB
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lda #40
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sec
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sbc HTAB
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lsr
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sta HTAB
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plp
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jmp +
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DrawStringInternal
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; A/Y contains address of length-prefixed string
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; carry bit clear -> draw on page 1
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; carry bit set -> draw on page 2
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; $24 contains starting column (0..39) (this is the standard HTAB address)
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; $25 contains textpage line (0..23) (this is the standard VTAB address)
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; clobbers A/X/Y
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; clobbers PTR/PTR+1
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+STAY PTR
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ldy #0
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+ lda (PTR),y
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tax
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inc PTR
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bne +
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inc PTR+1
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+
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+LDAY PTR
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; /!\ execution falls through here to DrawBufferInternal
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DrawBufferInternal
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; A/Y contains address of character buffer
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; X contains buffer length (1..40)
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; carry bit clear -> draw on page 1
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; carry bit set -> draw on page 2
|
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; characters MUST have high bit off (0x00..0x7F)
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; special characters (0x00..0x1F) will be drawn
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; $24 contains starting column (0..39) (this is the standard HTAB address)
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; $25 contains textpage line (0..23) (this is the standard VTAB address)
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; all characters are drawn on the same line
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; HTAB is incremented for each character
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; VTAB is NOT incremented
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; clobbers A/X/Y
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+STAY @src+1
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bcs +
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lda #$00
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+HIDE_NEXT_2_BYTES
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+
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lda #$60
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sta @pagemask
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dex
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lda VTAB
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asl
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asl
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asl
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; routine to calculate memory address within HGR page
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; and self-modify addresses within draw loop that follows
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; (routine clobbers A and Y but preserves X)
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asl
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tay
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and #$F0
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bpl @calc1
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ora #$05
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@calc1 bcc @calc2
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ora #$0A
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@calc2 asl
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asl
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sta @hgrlo+1
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tya
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and #$0E
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adc #$10
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asl @hgrlo+1
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rol
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@pagemask=*+1
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eor #$FD ; SMC (0=hi-res page 1, #$60=hi-res page 2)
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sta @row0+2
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clc
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adc #$04
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sta @row1+2
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adc #$04
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sta @row2+2
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adc #$04
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sta @row3+2
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adc #$04
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sta @row4+2
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adc #$04
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sta @row5+2
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adc #$04
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sta @row6+2
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adc #$04
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sta @row7+2
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@hgrlo lda #$FD
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clc
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adc HTAB
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sta @row0+1
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sta @row1+1
|
||||
sta @row2+1
|
||||
sta @row3+1
|
||||
sta @row4+1
|
||||
sta @row5+1
|
||||
sta @row6+1
|
||||
sta @row7+1
|
||||
@loop
|
||||
@src ldy $FDFD,x
|
||||
lda FontDataRow0,y
|
||||
@row0 sta $FDFD,x
|
||||
lda FontDataRow1,y
|
||||
@row1 sta $FDFD,x
|
||||
lda FontDataRow2,y
|
||||
@row2 sta $FDFD,x
|
||||
lda FontDataRow3,y
|
||||
@row3 sta $FDFD,x
|
||||
lda FontDataRow4,y
|
||||
@row4 sta $FDFD,x
|
||||
lda FontDataRow5,y
|
||||
@row5 sta $FDFD,x
|
||||
lda FontDataRow6,y
|
||||
@row6 sta $FDFD,x
|
||||
lda FontDataRow7,y
|
||||
@row7 sta $FDFD,x
|
||||
inc HTAB
|
||||
dex
|
||||
bpl @loop
|
||||
rts
|
||||
jmp SwitchToBank1
|
||||
|
|
|
|||
224
src/ui.font.lc2.a
Normal file
224
src/ui.font.lc2.a
Normal file
|
|
@ -0,0 +1,224 @@
|
|||
;license:MIT
|
||||
;(c) 2018-9 by 4am
|
||||
;
|
||||
; hi-res font drawing routines
|
||||
;
|
||||
; /!\ These live in LC RAM 2 and rely on the font data which is also in LC RAM 2. /!\
|
||||
; Code in LC RAM 1 (which is most program code) should call the functions in glue.font
|
||||
; which handle bank switching for you.
|
||||
;
|
||||
; Public functions
|
||||
; - DrawPageInternal
|
||||
; - Draw40CharsInternal
|
||||
; - DrawCenteredStringInternal
|
||||
; - DrawStringInternal
|
||||
; - DrawBufferInternal
|
||||
;
|
||||
|
||||
DrawPageInternal
|
||||
; A/Y contains address of character buffer
|
||||
; carry bit clear -> draw on page 1
|
||||
; carry bit set -> draw on page 2
|
||||
; drawing starts at VTAB 0, HTAB 0
|
||||
; clobbers PTR
|
||||
; clobbers A/X/Y
|
||||
; preserves all flags, by a quirk of implementation
|
||||
php
|
||||
ldx #0
|
||||
stx VTAB
|
||||
+STAY PTR
|
||||
@drawLine
|
||||
ldy #0
|
||||
sty HTAB
|
||||
@parseLine
|
||||
lda (PTR),y
|
||||
cmp #$5B ; '[' at beginning on line
|
||||
bne + ; ends the parsing
|
||||
tya
|
||||
beq @donePage
|
||||
+ cmp #$0D
|
||||
beq @doneParsingLine
|
||||
cmp #$2A
|
||||
bne +
|
||||
lda #$10
|
||||
sta (PTR),y ; asterisk -> dot, small
|
||||
+ cmp #$7E
|
||||
bne +
|
||||
lda #$11
|
||||
sta (PTR),y ; tilde -> dot, medium
|
||||
+ iny
|
||||
bne @parseLine
|
||||
@doneParsingLine
|
||||
sty SAVE
|
||||
cpy #0
|
||||
beq @skip
|
||||
ldx SAVE
|
||||
+LDAY PTR
|
||||
plp
|
||||
php
|
||||
jsr DrawBufferInternal
|
||||
@skip inc SAVE ; skip carriage return
|
||||
lda SAVE ; advance PTR to start of next line
|
||||
clc
|
||||
adc PTR
|
||||
sta PTR
|
||||
bcc +
|
||||
inc PTR+1
|
||||
+ inc VTAB ; this will print 255 lines if you give it
|
||||
bne @drawLine ; 255 lines, so don't do that
|
||||
@donePage
|
||||
plp
|
||||
rts
|
||||
|
||||
Draw40CharsInternal
|
||||
; A/Y contains address of character buffer
|
||||
; carry bit clear -> draw on page 1
|
||||
; carry bit set -> draw on page 2
|
||||
; $25 contains textpage line (0..23) (this is the standard VTAB address)
|
||||
; drawing starts at HTAB 0
|
||||
; increments VTAB
|
||||
; sets HTAB to 0 on exit
|
||||
; clobbers A/X/Y
|
||||
jsr +
|
||||
ldx #40
|
||||
jsr DrawBufferInternal
|
||||
inc VTAB
|
||||
+ ldx #0
|
||||
stx HTAB
|
||||
rts
|
||||
|
||||
DrawCenteredStringInternal
|
||||
; A/Y contains address of length-prefixed string
|
||||
; carry bit clear -> draw on page 1
|
||||
; carry bit set -> draw on page 2
|
||||
; $25 contains textpage line (0..23) (this is the standard VTAB address)
|
||||
; clobbers A/X/Y
|
||||
; clobbers PTR/PTR+1
|
||||
+STAY PTR
|
||||
|
||||
php
|
||||
ldy #0
|
||||
lda (PTR),y
|
||||
sta HTAB
|
||||
lda #40
|
||||
sec
|
||||
sbc HTAB
|
||||
lsr
|
||||
sta HTAB
|
||||
plp
|
||||
jmp +
|
||||
|
||||
DrawStringInternal
|
||||
; A/Y contains address of length-prefixed string
|
||||
; carry bit clear -> draw on page 1
|
||||
; carry bit set -> draw on page 2
|
||||
; $24 contains starting column (0..39) (this is the standard HTAB address)
|
||||
; $25 contains textpage line (0..23) (this is the standard VTAB address)
|
||||
; clobbers A/X/Y
|
||||
; clobbers PTR/PTR+1
|
||||
+STAY PTR
|
||||
|
||||
ldy #0
|
||||
+ lda (PTR),y
|
||||
tax
|
||||
inc PTR
|
||||
bne +
|
||||
inc PTR+1
|
||||
+
|
||||
+LDAY PTR
|
||||
; /!\ execution falls through here to DrawBufferInternal
|
||||
|
||||
DrawBufferInternal
|
||||
; A/Y contains address of character buffer
|
||||
; X contains buffer length (1..40)
|
||||
; carry bit clear -> draw on page 1
|
||||
; carry bit set -> draw on page 2
|
||||
; characters MUST have high bit off (0x00..0x7F)
|
||||
; special characters (0x00..0x1F) will be drawn
|
||||
; $24 contains starting column (0..39) (this is the standard HTAB address)
|
||||
; $25 contains textpage line (0..23) (this is the standard VTAB address)
|
||||
; all characters are drawn on the same line
|
||||
; HTAB is incremented for each character
|
||||
; VTAB is NOT incremented
|
||||
; clobbers A/X/Y
|
||||
+STAY @src+1
|
||||
bcs +
|
||||
lda #$00
|
||||
+HIDE_NEXT_2_BYTES
|
||||
+
|
||||
lda #$60
|
||||
sta @pagemask
|
||||
dex
|
||||
lda VTAB
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
; routine to calculate memory address within HGR page
|
||||
; and self-modify addresses within draw loop that follows
|
||||
; (routine clobbers A and Y but preserves X)
|
||||
asl
|
||||
tay
|
||||
and #$F0
|
||||
bpl @calc1
|
||||
ora #$05
|
||||
@calc1 bcc @calc2
|
||||
ora #$0A
|
||||
@calc2 asl
|
||||
asl
|
||||
sta @hgrlo+1
|
||||
tya
|
||||
and #$0E
|
||||
adc #$10
|
||||
asl @hgrlo+1
|
||||
rol
|
||||
@pagemask=*+1
|
||||
eor #$FD ; SMC (0=hi-res page 1, #$60=hi-res page 2)
|
||||
sta @row0+2
|
||||
clc
|
||||
adc #$04
|
||||
sta @row1+2
|
||||
adc #$04
|
||||
sta @row2+2
|
||||
adc #$04
|
||||
sta @row3+2
|
||||
adc #$04
|
||||
sta @row4+2
|
||||
adc #$04
|
||||
sta @row5+2
|
||||
adc #$04
|
||||
sta @row6+2
|
||||
adc #$04
|
||||
sta @row7+2
|
||||
@hgrlo lda #$FD
|
||||
clc
|
||||
adc HTAB
|
||||
sta @row0+1
|
||||
sta @row1+1
|
||||
sta @row2+1
|
||||
sta @row3+1
|
||||
sta @row4+1
|
||||
sta @row5+1
|
||||
sta @row6+1
|
||||
sta @row7+1
|
||||
@loop
|
||||
@src ldy $FDFD,x
|
||||
lda FontDataRow0,y
|
||||
@row0 sta $FDFD,x
|
||||
lda FontDataRow1,y
|
||||
@row1 sta $FDFD,x
|
||||
lda FontDataRow2,y
|
||||
@row2 sta $FDFD,x
|
||||
lda FontDataRow3,y
|
||||
@row3 sta $FDFD,x
|
||||
lda FontDataRow4,y
|
||||
@row4 sta $FDFD,x
|
||||
lda FontDataRow5,y
|
||||
@row5 sta $FDFD,x
|
||||
lda FontDataRow6,y
|
||||
@row6 sta $FDFD,x
|
||||
lda FontDataRow7,y
|
||||
@row7 sta $FDFD,x
|
||||
inc HTAB
|
||||
dex
|
||||
bpl @loop
|
||||
rts
|
||||
Loading…
Reference in New Issue
Block a user