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make %memtop exclusive i.e. the first address NOT to use (like kernal MEMTOP)

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This commit is contained in:
Irmen de Jong 2024-11-10 23:35:25 +01:00
parent 4bdabe1961
commit 1b528491c2
13 changed files with 28 additions and 13 deletions
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2
codeCore/src/prog8/code/core/IMachineDefinition.kt
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@ -14,7 +14,7 @@ interface IMachineDefinition {
val FLOAT_MAX_POSITIVE: Double
val FLOAT_MEM_SIZE: Int
val PROGRAM_LOAD_ADDRESS : UInt
val PROGRAM_TOP_ADDRESS: UInt
val PROGRAM_MEMTOP_ADDRESS: UInt
val BSSHIGHRAM_START: UInt
val BSSHIGHRAM_END: UInt
val BSSGOLDENRAM_START: UInt

2
codeCore/src/prog8/code/target/atari/AtariMachineDefinition.kt
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@ -12,7 +12,7 @@ class AtariMachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = -9.999999999e97
override val FLOAT_MEM_SIZE = 6
override val PROGRAM_LOAD_ADDRESS = 0x2000u
override val PROGRAM_TOP_ADDRESS = 0xffffu // TODO what's memtop
override val PROGRAM_MEMTOP_ADDRESS = 0xffffu // TODO what's memtop?
override val BSSHIGHRAM_START = 0u // TODO
override val BSSHIGHRAM_END = 0u // TODO

2
codeCore/src/prog8/code/target/c128/C128MachineDefinition.kt
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@ -14,7 +14,7 @@ class C128MachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = Mflpt5.FLOAT_MAX_NEGATIVE
override val FLOAT_MEM_SIZE = Mflpt5.FLOAT_MEM_SIZE
override val PROGRAM_LOAD_ADDRESS = 0x1c01u
override val PROGRAM_TOP_ADDRESS = 0xfeffu
override val PROGRAM_MEMTOP_ADDRESS = 0xff00u
override val BSSHIGHRAM_START = 0u // TODO
override val BSSHIGHRAM_END = 0u // TODO

2
codeCore/src/prog8/code/target/c64/C64MachineDefinition.kt
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@ -15,7 +15,7 @@ class C64MachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = Mflpt5.FLOAT_MAX_NEGATIVE
override val FLOAT_MEM_SIZE = Mflpt5.FLOAT_MEM_SIZE
override val PROGRAM_LOAD_ADDRESS = 0x0801u
override val PROGRAM_TOP_ADDRESS = 0xcfe0u // $9fff if floats are used
override val PROGRAM_MEMTOP_ADDRESS = 0xcfe0u // $a000 if floats are used
// note that at $cfe0-$cfff are the 16 'virtual registers' R0-R15
override val BSSHIGHRAM_START = 0xc000u

2
codeCore/src/prog8/code/target/cx16/CX16MachineDefinition.kt
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@ -14,7 +14,7 @@ class CX16MachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = Mflpt5.FLOAT_MAX_NEGATIVE
override val FLOAT_MEM_SIZE = Mflpt5.FLOAT_MEM_SIZE
override val PROGRAM_LOAD_ADDRESS = 0x0801u
override val PROGRAM_TOP_ADDRESS = 0x9effu
override val PROGRAM_MEMTOP_ADDRESS = 0x9f00u
override val BSSHIGHRAM_START = 0xa000u // hiram bank 1, 8Kb, assumed to be active
override val BSSHIGHRAM_END = 0xbfffu // Rom starts at $c000

2
codeCore/src/prog8/code/target/neo6502/Neo6502MachineDefinition.kt
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@ -12,7 +12,7 @@ class Neo6502MachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = -9.999999999e97
override val FLOAT_MEM_SIZE = 6
override val PROGRAM_LOAD_ADDRESS = 0x0800u
override val PROGRAM_TOP_ADDRESS = 0xfbffu
override val PROGRAM_MEMTOP_ADDRESS = 0xfc00u // kernal starts here
override val BSSHIGHRAM_START = 0u // TODO
override val BSSHIGHRAM_END = 0u // TODO

2
codeCore/src/prog8/code/target/pet/PETMachineDefinition.kt
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@ -14,7 +14,7 @@ class PETMachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = Mflpt5.FLOAT_MAX_NEGATIVE
override val FLOAT_MEM_SIZE = Mflpt5.FLOAT_MEM_SIZE
override val PROGRAM_LOAD_ADDRESS = 0x0401u
override val PROGRAM_TOP_ADDRESS = 0x7fffu
override val PROGRAM_MEMTOP_ADDRESS = 0x8000u
override val BSSHIGHRAM_START = 0u
override val BSSHIGHRAM_END = 0u

2
codeCore/src/prog8/code/target/virtual/VirtualMachineDefinition.kt
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@ -14,7 +14,7 @@ class VirtualMachineDefinition: IMachineDefinition {
override val FLOAT_MAX_NEGATIVE = -Float.MAX_VALUE.toDouble()
override val FLOAT_MEM_SIZE = 8 // 64-bits double
override val PROGRAM_LOAD_ADDRESS = 0u // not actually used
override val PROGRAM_TOP_ADDRESS = 0xffffu // not actually used
override val PROGRAM_MEMTOP_ADDRESS = 0xffffu // not actually used
override val BSSHIGHRAM_START = 0u // not actually used
override val BSSHIGHRAM_END = 0u // not actually used

2
codeGenCpu6502/src/prog8/codegen/cpu6502/ProgramAndVarsGen.kt
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@ -287,7 +287,7 @@ internal class ProgramAndVarsGen(
}
}
asmgen.out(" ; memtop check")
asmgen.out(" .cerror * > ${options.memtopAddress.toHex()}, \"Program too long by \", * - ${options.memtopAddress.toHex()}, \" bytes, memtop=${options.memtopAddress.toHex()}\"")
asmgen.out(" .cerror * >= ${options.memtopAddress.toHex()}, \"Program too long by \", * - ${(options.memtopAddress-1u).toHex()}, \" bytes, memtop=${options.memtopAddress.toHex()}\"")
}
private fun block2asm(block: PtBlock) {

2
compiler/src/prog8/compiler/Compiler.kt
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@ -264,7 +264,7 @@ internal fun determineProgramLoadAddress(program: Program, options: CompilationO
}
options.loadAddress = loadAddress
options.memtopAddress = program.toplevelModule.memtopAddress?.first ?: options.compTarget.machine.PROGRAM_TOP_ADDRESS
options.memtopAddress = program.toplevelModule.memtopAddress?.first ?: options.compTarget.machine.PROGRAM_MEMTOP_ADDRESS
}

4
docs/source/syntaxreference.rst
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@ -191,8 +191,8 @@ Directives
but with this you can change it to another value. This can be useful for example to 'reserve' a piece
of memory at the end of program space where other data such as external library files can be loaded into.
This memtop value is used for a check instruction for the assembler to see if the resulting program size
exceeds the given memtop address. This value is inclusive, so $9eff means that the program can use up to
and including the address $9eff and that $9f00 is the first address out of bounds.
exceeds the given memtop address. This value is exclusive, so $a000 means that $a000 is the first address
that program can no longer use. Everything up to and including $9fff is still usable.
.. data:: %option <option> [, <option> ...]

15
docs/source/todo.rst
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@ -1,6 +1,21 @@
TODO
====
make repeat support 65536 iterations
make memtop adjust automatically when you use %address larger than the default . Then simply set it at $ffff because apparently the programmer knows better?
scripts/cx16_images : add an option to keep the first palette entry black (there's already the option to retain the first 16 entries)
support this usage of defer:
if diskio.f_open(filename) {
defer diskio.f_close()
...
}
need help with: PET disk routines (OPEN, SETLFS etc are not exposed as kernal calls)
...

2
examples/cx16/zsmkit/demo2.p8
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@ -1,7 +1,7 @@
%import diskio
%import textio
%import zsmkit_high
%memtop $8bff ; zsmkit is loaded from 8c00 onwards
%memtop $8c00 ; zsmkit is loaded from 8c00 onwards
;; Proof Of Concept ZSM player using a binary blob version of zsmkit by MooingLemur
;; This version is a bit simpler as "demo1".