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kernel -> kernal
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Irmen de Jong
parent
001d01fdaf
commit
edf9a500d3
@ -52,7 +52,7 @@ What does Prog8 provide?
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- "c64": Commodore-64 (6510 CPU = almost a 6502)
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- "cx16": [CommanderX16](https://www.commanderx16.com) (65c02 CPU)
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- If you only use standard kernel and prog8 library routines, it is possible to compile the *exact same program* for both machines (just change the compiler target flag)!
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- If you only use standard kernal and prog8 library routines, it is possible to compile the *exact same program* for both machines (just change the compiler target flag)!
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@ -11,7 +11,7 @@ c64 {
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&ubyte TIME_HI = $a0 ; software jiffy clock, hi byte
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&ubyte TIME_MID = $a1 ; .. mid byte
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&ubyte TIME_LO = $a2 ; .. lo byte. Updated by IRQ every 1/60 sec
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&ubyte STATUS = $90 ; kernel status variable for I/O
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&ubyte STATUS = $90 ; kernal status variable for I/O
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&ubyte STKEY = $91 ; various keyboard statuses (updated by IRQ)
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&ubyte SFDX = $cb ; current key pressed (matrix value) (updated by IRQ)
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@ -586,7 +586,7 @@ _colormod sta $ffff ; modified
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}
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asmsub plot (ubyte col @ Y, ubyte row @ A) clobbers(A) {
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; ---- safe wrapper around PLOT kernel routine, to save the X register.
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; ---- safe wrapper around PLOT kernal routine, to save the X register.
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%asm {{
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stx P8ZP_SCRATCH_REG
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tax
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@ -2,7 +2,7 @@
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; Bitmap pixel graphics routines for the CommanderX16
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; Custom routines to use the full-screen 640x480 and 320x240 screen modes.
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; (These modes are not supported by the documented GRAPH_xxxx kernel routines)
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; (These modes are not supported by the documented GRAPH_xxxx kernal routines)
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;
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; No text layer is currently shown, text can be drawn as part of the bitmap itself.
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; Note: for similar graphics routines that also work on the C-64, use the "graphics" module instead.
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@ -717,7 +717,7 @@ sub setcc2 (ubyte column, ubyte row, ubyte char, ubyte colors) {
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}
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asmsub plot (ubyte col @ Y, ubyte row @ A) clobbers(A) {
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; ---- safe wrapper around PLOT kernel routine, to save the X register.
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; ---- safe wrapper around PLOT kernal routine, to save the X register.
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%asm {{
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phx
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tax
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@ -107,7 +107,7 @@ internal class BeforeAsmGenerationAstChanger(val program: Program, val errors: I
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}
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// add the implicit return statement at the end (if it's not there yet), but only if it's not a kernel routine.
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// add the implicit return statement at the end (if it's not there yet), but only if it's not a kernal routine.
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// and if an assembly block doesn't contain a rts/rti, and some other situations.
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val mods = mutableListOf<IAstModification>()
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val returnStmt = Return(null, subroutine.position)
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@ -32,7 +32,7 @@ internal class AstVariousTransforms(private val program: Program) : AstWalker()
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}
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override fun after(subroutine: Subroutine, parent: Node): Iterable<IAstModification> {
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// For non-kernel subroutines and non-asm parameters:
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// For non-kernal subroutines and non-asm parameters:
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// inject subroutine params as local variables (if they're not there yet).
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val symbolsInSub = subroutine.allDefinedSymbols()
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val namesInSub = symbolsInSub.map{ it.first }.toSet()
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@ -102,7 +102,7 @@ internal object C64MachineDefinition: IMachineDefinition {
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0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c,
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0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a,
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0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0xff
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// 0x90-0xfa is 'kernel work storage area'
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// 0x90-0xfa is 'kernal work storage area'
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))
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}
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@ -354,7 +354,7 @@ internal class AsmGen(private val program: Program,
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}
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private fun memdefs2asm(statements: List<Statement>) {
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out("\n; memdefs and kernel subroutines")
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out("\n; memdefs and kernal subroutines")
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val memvars = statements.filterIsInstance<VarDecl>().filter { it.type==VarDeclType.MEMORY || it.type==VarDeclType.CONST }
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for(m in memvars) {
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if(m.value is NumericLiteralValue)
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@ -367,7 +367,7 @@ internal class AsmGen(private val program: Program,
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val addr = sub.asmAddress
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if(addr!=null) {
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if(sub.statements.isNotEmpty())
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throw AssemblyError("kernel subroutine cannot have statements")
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throw AssemblyError("kernal subroutine cannot have statements")
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out(" ${sub.name} = ${addr.toHex()}")
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}
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}
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@ -57,7 +57,7 @@ Language features
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- High-level code optimizations, such as const-folding, expression and statement simplifications/rewriting.
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- Many built-in functions, such as ``sin``, ``cos``, ``rnd``, ``abs``, ``min``, ``max``, ``sqrt``, ``msb``, ``rol``, ``ror``, ``swap``, ``sort`` and ``reverse``
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- Supports the sixteen 'virtual' 16-bit registers R0 .. R15 from the Commander X16, also on the C64.
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- If you only use standard kernel and prog8 library routines, it is possible to compile the *exact same program* for both machines (just change the compiler target flag)!
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- If you only use standard kernal and prog8 library routines, it is possible to compile the *exact same program* for both machines (just change the compiler target flag)!
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Code example
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@ -182,7 +182,7 @@ Provides string manipulation routines.
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floats
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------
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Provides definitions for the ROM/kernel subroutines and utility routines dealing with floating
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Provides definitions for the ROM/kernal subroutines and utility routines dealing with floating
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point variables. This includes ``print_f``, the routine used to print floating point numbers.
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@ -70,7 +70,7 @@ Directives
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It's not possible to return cleanly to BASIC when the program exits. The only choice is
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to perform a system reset. (A ``system_reset`` subroutine is available in the syslib to help you do this)
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- style ``floatsafe`` -- like the previous one but also reserves the addresses that
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are required to perform floating point operations (from the BASIC kernel). No clean exit is possible.
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are required to perform floating point operations (from the BASIC kernal). No clean exit is possible.
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- style ``basicsafe`` -- the most restricted mode; only use the handful 'free' addresses in the ZP, and don't
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touch change anything else. This allows full use of BASIC and KERNAL ROM routines including default IRQs
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during normal system operation.
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@ -514,7 +514,7 @@ Multiple return values
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^^^^^^^^^^^^^^^^^^^^^^
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Normal subroutines can only return zero or one return values.
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However, the special ``asmsub`` routines (implemented in assembly code) or ``romsub`` routines
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(referencing a routine in kernel ROM) can return more than one return value.
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(referencing a routine in kernal ROM) can return more than one return value.
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For example a status in the carry bit and a number in A, or a 16-bit value in A/Y registers.
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It is not possible to process the results of a call to these kind of routines
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directly from the language, because only single value assignments are possible.
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@ -17,7 +17,7 @@ Currently there are two machines that are supported as compiler target (selectab
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This chapter explains the relevant system details of these machines.
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.. hint::
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If you only use standard kernel and prog8 library routines,
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If you only use standard kernal and prog8 library routines,
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it is possible to compile the *exact same program* for both machines (just change the compiler target flag)!
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@ -50,7 +50,7 @@ Calling the routine is just a simple JSR instruction, but the other two work lik
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``asmsub`` routines
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^^^^^^^^^^^^^^^^^^^
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These are usually declarations of kernel (ROM) routines or low-level assembly only routines,
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These are usually declarations of kernal (ROM) routines or low-level assembly only routines,
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that have their arguments solely passed into specific registers.
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Sometimes even via a processor status flag such as the Carry flag.
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Return values also via designated registers.
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@ -2,7 +2,6 @@
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TODO
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====
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- rename kernel -> kernal
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- add sound to the cx16 tehtriz
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- add const arrays and cost strings
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@ -7,11 +7,17 @@ main {
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; $1F9C0 - $1F9FF PSG registers
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sub start() {
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c64.set_rasterirq(&irq.irq, 100, true)
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uword color=0
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repeat {
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cx16.vpoke(1, $fa00+6*2, lsb(color))
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cx16.vpoke(1, $fa01+6*2, msb(color))
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color++
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}
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;c64.set_rasterirq(&irq.irq, 100, true)
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sys.wait(100)
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c64.restore_irq()
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;c64.restore_irq()
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; uword freq = 1181
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; cx16.vpoke(1, $f9c0, lsb(freq))
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@ -26,15 +32,6 @@ irq {
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uword counter = 0
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sub irq() {
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c64.EXTCOL++
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ubyte xx
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repeat 20 {
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xx++
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}
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c64.EXTCOL--
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@($0400) = lsb(counter)
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@($0401) = msb(counter)
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counter++
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}
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