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recipes/trs80: wip
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8
blk/160
Normal file
8
blk/160
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@ -0,0 +1,8 @@
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TRS-80 Drivers
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Drivers for the TRS-80 keyboard, video and floppy. At the
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moment, they are thin layer over the drivers provided by
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TRSDOS' SVC.
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Load the Z80 words with "162 LOAD" and the high level part
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with "164 LOAD".
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12
blk/162
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12
blk/162
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@ -0,0 +1,12 @@
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CODE KEY
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A 0x01 LDrn, ( @KEY )
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0x28 RSTn,
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L A LDrr, H 0 LDrn,
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HL PUSHqq,
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;CODE
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CODE EMIT
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BC POPqq ( c == @DSP arg )
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chkPS,
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A 0x02 LDrn, ( @DSP )
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;CODE
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2
blk/209
2
blk/209
@ -3,7 +3,7 @@ OUT [nA, (C)r] IN [An, r(C)]
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SET [br] RES [br] BIT [br]
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RL [r] RLC [r] SLA [r] RLA RLCA
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RR [r] RRC [r] SRL [r] RRA RRCA
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CALL [nn] DJNZ
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CALL [nn] RST [n] DJNZ
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JP [nn, (HL), (IX), (IY)]
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JR [, Z, NZ, C, NC]
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1
blk/249
1
blk/249
@ -6,3 +6,4 @@
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: PUSHZ, BC 0 LDddnn, IFZ, BC INCss, THEN, BC PUSHqq, ;
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: HLZ, A H LDrr, L ORr, ;
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: DEZ, A D LDrr, E ORr, ;
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: LDDE(HL), E (HL) LDrr, HL INCss, D (HL) LDrr, ;
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10
blk/302
10
blk/302
@ -1,16 +1,12 @@
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L1 BSET
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PC ORG @ 0x0f + ! ( compiledWord )
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L1 BSET PC ORG @ 0x0f + ! ( compiledWord )
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( 1. Push current IP to RS
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2. Set new IP to the second atom of the list
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3. Execute the first atom of the list. )
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IY PUSHqq, HL POPqq, ( <-- IP )
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0x11 BCALL, ( 11 == pushRS )
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EXDEHL, ( HL points to PFA )
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( While we increase, dereference into DE for execute call
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later. )
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E (HL) LDrr,
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HL INCss,
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D (HL) LDrr,
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( While we inc, dereference into DE for execute call later. )
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LDDE(HL),
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HL INCss,
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HL PUSHqq, IY POPqq, ( --> IP )
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JR, L3 BWR ( execute-B301 )
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@ -1,30 +1,8 @@
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SHELLAPPS = zasm ed
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APPTARGETS = ${SHELLAPPS:%=cfsin/%}
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CFSTARGETS = $(APPTARGETS) cfsin/user.h
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TARGET = os.bin
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BASEDIR = ../..
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ZASM = $(BASEDIR)/emul/zasm/zasm
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KERNEL = $(BASEDIR)/kernel
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APPS = $(BASEDIR)/apps
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CFSPACK = $(BASEDIR)/tools/cfspack/cfspack
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TARGET = stage1.bin
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EDIR = ../../emul
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STAGE2 = $(EDIR)/stage2
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.PHONY: all
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all: $(TARGET) floppy.cfs
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$(TARGET): glue.asm
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$(ZASM) $(KERNEL) $(APPS) < glue.asm > $@
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$(CFSPACK):
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make -C $(BASEDIR)/tools/cfspack
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floppy.cfs: $(CFSTARGETS) $(CFSPACK)
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$(CFSPACK) cfsin > $@
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$(APPTARGETS):
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$(ZASM) $(KERNEL) $(APPS) user.h < $(APPS)/${@:cfsin/%=%}/glue.asm > $@
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cfsin/user.h: user.h
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cp user.h $@
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.PHONY: clean
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clean:
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rm -f $(CFSTARGETS) floppy.cfs $(TARGET)
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all: $(TARGET)
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$(TARGET): xcomp.fs $(STAGE2)
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cat xcomp.fs | $(STAGE2) > $@
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23
recipes/trs80/xcomp.fs
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23
recipes/trs80/xcomp.fs
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@ -0,0 +1,23 @@
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0x6000 CONSTANT RAMSTART
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0xf000 CONSTANT RS_ADDR
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212 LOAD ( z80 assembler )
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262 LOAD ( xcomp )
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: CODE XCODE ;
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: IMMEDIATE XIMM ;
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: (entry) (xentry) ;
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: : [ ' X: , ] ;
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CURRENT @ XCURRENT !
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H@ 256 /MOD 2 PC! 2 PC!
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H@ XOFF !
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0x3000 BIN( !
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282 LOAD ( boot.z80 )
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162 LOAD ( trs80.z80 )
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393 LOAD ( icore )
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(entry) _
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( Update LATEST )
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PC XOFF @ 8 + !
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422 463 XPACKR ( core cmp print parse readln fmt )
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," : _ RDLN$ (ok) ; _ "
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H@ 256 /MOD 2 PC! 2 PC!
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