mirror of
https://github.com/badvision/lawless-legends.git
synced 2025-01-21 07:32:06 +00:00
Good progress on reworking START_LOAD/FINISH_LOAD to figure out on their own what to do.
This commit is contained in:
Martin Haye
parent
65b414a954
commit
fe704379ce
@ -29,8 +29,8 @@ MAX_SEGS = 96
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DO_COMP_CHECKSUMS = 0 ; during compression debugging
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DEBUG_DECOMP = 0
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DEBUG = 0
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SANITY_CHECK = 0 ; also prints out request data
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DEBUG = 1
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SANITY_CHECK = 1 ; also prints out request data
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; Zero page temporary variables
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tmp = $2 ; len 2
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@ -1099,9 +1099,20 @@ gc2_sweep: !zone
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sta heapTop+1
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rts
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closePartFile: !zone
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lda partFileRef ; close the partition file
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beq .done
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!if DEBUG { +prStr : !text "Closing part file.",0 }
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jsr closeFile
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lda #0 ; zero out...
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sta partFileRef ; ... the file reference so we know it's no longer open
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.done rts
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heapCollect: !zone
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lda partFileRef ; check if the buffer space is already in use
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bne .partOpen
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; can't collect why anything queued for load
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lda nSegsQueued
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bne .unfin
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jsr closePartFile
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jsr gc1_mark ; mark reachable blocks
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jsr gc2_sweep ; sweep them into one place
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jsr gc3_fix ; adjust all pointers
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@ -1109,8 +1120,7 @@ heapCollect: !zone
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ldx heapTop ; return new top-of-heap in x=lo/y=hi
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ldy heapTop+1
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rts
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.partOpen:
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jsr inlineFatal : !text "NdClose",0
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.unfin: jsr inlineFatal : !text "NdFinish",0
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lastLoMem = *
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} ; end of !pseodupc $800
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@ -1129,6 +1139,7 @@ segNum: !byte 0
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nextLdVec: jmp diskLoader
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curPartition: !byte 0
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partFileRef: !byte 0
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nSegsQueued: !byte 0
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fixupHint: !word 0
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bufferDigest: !fill 4
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multiDiskMode: !byte 0 ; hardcoded to YES for now
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@ -1932,7 +1943,7 @@ calcBufferDigest: !zone
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sty tmp+1
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sty tmp+2
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sty tmp+3
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ldx #4 ; sum 4 pages in each buffer
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ldx #6 ; sum 6 pages in each buffer - covers first part of heap collect zone also
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clc
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.sum lda tmp
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rol
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@ -1955,7 +1966,8 @@ calcBufferDigest: !zone
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sta tmp+3
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iny
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bpl .sum ; bpl = 128 times through the loop
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iny
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bpl .sum ; every even offset 0..126
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inc .ld1+2 ; go to next page
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inc .ld2+2
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@ -2092,17 +2104,17 @@ prodosError: !zone
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;------------------------------------------------------------------------------
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disk_startLoad: !zone
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; Make sure we don't get start without finish
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txa
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beq sequenceError ; partition zero is illegal
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cpx curPartition ; ok to open same partition twice without close
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beq .nop
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lda curPartition
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bne sequenceError ; error to open new partition without closing old
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; Just record the partition number; it's possible we won't actually be asked
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; to queue anything, so we should put off opening the file.
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stx curPartition
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.nop rts
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cpx curPartition ; switching partition?
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stx curPartition ; (and store the new part num in any case)
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bne .new ; if different, close the old one
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lda partFileRef
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beq .done ; if nothing already open, we're okay with that.
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jsr calcBufferDigest ; same partition - check that buffers are still intact
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beq .done ; if correct partition file already open, we're done.
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.new jsr closePartFile
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.done rts
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;------------------------------------------------------------------------------
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startHeaderScan: !zone
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@ -2117,6 +2129,7 @@ startHeaderScan: !zone
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disk_queueLoad: !zone
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stx resType ; save resource type
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sty resNum ; and resource num
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inc nSegsQueued ; record the fact that we're queuing a seg
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lda partFileRef ; check if we've opened the file yet
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bne + ; yes, don't re-open
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jsr openPartition ; open the partition file
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@ -2181,14 +2194,10 @@ disk_queueLoad: !zone
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.resLen: !byte 0
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;------------------------------------------------------------------------------
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disk_finishLoad: !zone
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stx .keepOpenChk+1 ; store flag telling us whether to keep open (1) or close (0)
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lda partFileRef ; see if we actually queued anything (and opened the file)
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bne .work ; non-zero means we have work to do
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txa
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bne +
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sta curPartition ; if "closing", clear the partition number
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+ rts ; nothing to do - return immediately
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.work sta setMarkFileRef ; copy the file ref number to our MLI param blocks
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lda nSegsQueued ; see if we actually queued anything
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beq .done ; if nothing queued, we're done
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lda partFileRef
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sta setMarkFileRef ; copy the file ref number to our MLI param blocks
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sta readFileRef
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lda headerBuf ; grab # header bytes
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sta setMarkPos ; set to start reading at first non-header byte in file
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@ -2199,22 +2208,17 @@ disk_finishLoad: !zone
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sta .nFixups
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jsr startHeaderScan ; start scanning the partition header
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.scan: lda (pTmp),y ; get resource type byte
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bne .notEnd ; non-zero = not end of header
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; end of header. Check if we need to close the file.
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.keepOpenChk:
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lda #11 ; self-modified to 0 or 1 at start of routine
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bne + ; 1 means leave open, 0 means close
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!if DEBUG { +prStr : !text "Closing partition file.",0 }
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lda partFileRef ; close the partition file
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jsr closeFile
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lda #0 ; zero out...
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sta partFileRef ; ... the file reference so we know it's no longer open
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sta curPartition ; ... and the partition number
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+ lda .nFixups ; any fixups encountered?
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beq +
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bne .notdone ; zero = end of header
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; At the end, record new buffer digest, and perform all fixups
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jsr calcBufferDigest
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lda .nFixups ; any fixups encountered?
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beq .done
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jsr doAllFixups ; found fixups - execute and free them
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+ rts
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.notEnd bmi .load ; hi bit set -> queued for load
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.done lda #0
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sta nSegsQueued ; we loaded everything, so record that fact
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rts
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.notdone:
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bmi .load ; hi bit set -> queued for load
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iny ; not set, not queued, so skip over it
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iny
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bne .next
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@ -103,43 +103,43 @@ pTmp = $4
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copy entire heap (Aux LC $D000.DFFF) to or from main $4000.4FFF
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asm copyHeap // params: dir (0=AuxtoMain, 1=MainToAux)
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+asmPlasm_bank2 1
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lsr ; direction bit to carry flag
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lda #$40
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bcs +
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lda #$EF ; $EF00 is start of heap (right after font engine)
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+ sta tmp+1
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eor #$AF ; $EF -> $40, $F0 -> $41, etc.
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sta pTmp+1
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ldy #0
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sty tmp
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sty pTmp
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ldx #$C
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- lda (tmp),y
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sta (pTmp),y
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iny
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bne -
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inc tmp+1
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inc pTmp+1
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dex
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bne -
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rts
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// Copy entire heap (main LC $EF00.FAFF) to or from main low mem $5000.5BFF
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asm copyHeap // params: dir (0=LCtoMain, 1=MainToLC)
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+asmPlasm 1
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lsr ; direction bit to carry flag
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lda #$50
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bcs +
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lda #$EF ; $EF00 is start of heap (right after font engine)
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+ sta tmp+1
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eor #$BF ; $EF -> $50, $F0 -> $51, etc.
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sta pTmp+1
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ldy #0
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sty tmp
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sty pTmp
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ldx #12 ; Heap is 12 pages
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- lda (tmp),y
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sta (pTmp),y
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iny
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bne -
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inc tmp+1
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inc pTmp+1
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dex
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bne -
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rts
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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asm mliStub
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; call MLI directly. Caller is expected to modify the command and param vectors
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; before calling.
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+asmPlasm 0 ; bytes 0-4
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jsr mli ; bytes 5-7
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!byte 0 ; byte 8
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!word 0 ; bytes 9-10
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bcs +
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lda #0
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+ bit setLcRW+lcBank2 ; Our crazy aux ProDOS stub doesn't preserve the LC bank; put PLASMA back.
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rts
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; call MLI directly. Caller is expected to modify the command and param vectors
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; before calling.
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+asmPlasm 0 ; bytes 0-4
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jsr mli ; bytes 5-7
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!byte 0 ; byte 8
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!word 0 ; bytes 9-10
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bcs +
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lda #0
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+ bit setLcRW+lcBank2 ; Our crazy aux ProDOS stub doesn't preserve the LC bank; put PLASMA back.
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rts
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@ -181,11 +181,11 @@ def _saveGame()
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// Copy data to main memory
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showMapName("Saving game...")
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diskActivity($FF)
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copyHeap(0) // aux to main
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copyHeap(0) // LC to low mem
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// Open the file if it already exists...
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open_filename = @game1_filename
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open_buffer = $5000
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open_buffer = $5C00
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if callMLI(MLI_OPEN, @open_params) > 0
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create_filename = open_filename
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create_accessbits = $C3 // full access
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@ -200,7 +200,7 @@ def _saveGame()
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// Write the game data to it
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write_fileref = open_fileref
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write_addr = $4000
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write_addr = $5000
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write_length = HEAP_SIZE
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guaranteeMLI(MLI_WRITE, @write_params)
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@ -212,17 +212,16 @@ end
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def loadInternal()
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word p_loaded
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mmgr(FINISH_LOAD, WITH_CLOSE)
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// Open the file. If that fails, return FALSE (instead of halting)
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open_filename = @game1_filename
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open_buffer = $5000
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open_buffer = $5C00
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if callMLI(MLI_OPEN, @open_params) > 0; return FALSE; fin
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// Read the game data from it
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read_fileref = open_fileref
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read_addr = $4000
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read_length = $800 // FIXME
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read_addr = $5000
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read_length = HEAP_SIZE
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guaranteeMLI(MLI_READ, @read_params)
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// All done with the file
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@ -230,8 +229,11 @@ def loadInternal()
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guaranteeMLI(MLI_CLOSE, @close_params)
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// Copy the heap up, and init it with the correct size.
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p_loaded = $4000
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copyHeap(1) // main to aux
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p_loaded = $5000
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if p_loaded=>w_heapSize < 100 or p_loaded=>w_heapSize > HEAP_SIZE
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fatal("Corrupt game file.")
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fin
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copyHeap(1) // low mem to LC
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initHeap(p_loaded=>w_heapSize)
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global = getGlobals()
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return TRUE
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@ -239,6 +241,8 @@ end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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def _loadGame()
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setMapWindow()
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clearWindow()
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diskActivity($FF)
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showMapName("Loading game...")
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@ -65,6 +65,7 @@ word totalMapHeight
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byte needRender = FALSE
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byte needShowParty = FALSE
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byte renderLoaded = FALSE
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byte texturesLoaded = FALSE
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byte textDrawn = FALSE
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byte isPlural = FALSE
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@ -1189,8 +1190,9 @@ export def showParty()
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displayStr(convertDec(p=>w_health))
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displayChar('/')
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displayStr(convertDec(p=>w_maxHealth))
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displayChar('\n')
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p = p=>p_nextObj
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// Newline after data, except last character
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if p; displayChar('\n'); fin
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loop
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// Finish up
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@ -1259,6 +1261,7 @@ def initMap(x, y, dir)
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triggerTbl = NULL
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setWindow2()
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initDisplay(mapNum, pMap, x, y, dir)
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texturesLoaded = TRUE
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needRender = FALSE
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textDrawn = FALSE
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curPortrait = 0
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@ -1336,15 +1339,20 @@ def checkScripts(x, y)
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return anyTriggered
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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export def unloadTextures()
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if renderLoaded and texturesLoaded
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texControl(0)
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texturesLoaded = FALSE
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fin
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Display a portrait drawing (typically called from scripts)
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export def clearPortrait()
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if curPortrait
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auxMmgr(FREE_MEMORY, curPortrait)
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curPortrait = 0
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if renderLoaded
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texControl(1) // 1=load
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fin
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needRender = TRUE
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fin
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end
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@ -1353,6 +1361,15 @@ end
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// Perform rendering, copy if necessary, clear appropriate flags
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def doRender()
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if curPortrait; clearPortrait(); fin
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if !texturesLoaded
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if mapIs3D
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flipToPage1()
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diskActivity($FF)
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texControl(1)
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diskActivity(0)
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fin
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texturesLoaded = TRUE
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fin
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render()
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if textDrawn and mapIs3D; copyWindow(); fin
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needRender = FALSE
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@ -1732,9 +1749,7 @@ export def setPortrait(portraitNum)
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saveCursor()
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// Make room by unloading the textures (only if renderer is loaded)
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if renderLoaded
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texControl(0)
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fin
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unloadTextures()
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// Now clear out the map area
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setMapWindow()
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@ -2357,13 +2372,16 @@ export def createAndAddUnique(moduleID, creationFuncNum, pList)
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word p_module, funcTbl, func, p_thing
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// Unload textures to make room for the module
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if renderLoaded; texControl(0); fin
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unloadTextures()
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// Load the module that is capable of creating the thing
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flipToPage1()
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diskActivity($FF)
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mmgr(FINISH_LOAD, WITH_CLOSE)
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mmgr(START_LOAD, 1) // code is in partition 1
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p_module = mmgr(QUEUE_LOAD, moduleID<<8 | RES_TYPE_MODULE)
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mmgr(FINISH_LOAD, LEAVE_OPEN)
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diskActivity(0)
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// Figure out which creation function to call there, and create the thing
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funcTbl = p_module()
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@ -2378,8 +2396,6 @@ export def createAndAddUnique(moduleID, creationFuncNum, pList)
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// Finished with the module now.
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mmgr(FINISH_LOAD, WITH_CLOSE)
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mmgr(FREE_MEMORY, p_module)
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if renderLoaded; texControl(1); fin
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end
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///////////////////////////////////////////////////////////////////////////////////////////////////
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