Chris Pressey
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2e2e80664e
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Forbid nested with interrupts blocks, and more refactoring.
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2019-05-14 15:01:10 +01:00 |
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Chris Pressey
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3f666f4385
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Add reset instruction; much refactoring.
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2019-05-14 08:56:35 +01:00 |
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Chris Pressey
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b19267d3ba
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Checkpoint import of changes for version 0.19.
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2019-04-08 11:50:54 +01:00 |
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Chris Pressey
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35a1053439
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Support more modes on add and sub.
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2018-12-12 10:34:25 +00:00 |
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Chris Pressey
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2803aa2d05
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Add failing tests for add and sub on locations other than a.
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2018-12-12 10:11:16 +00:00 |
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Chris Pressey
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d1a29709f2
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Add example test program for cmp-against-literal-word. Fix it.
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2018-12-12 09:09:45 +00:00 |
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Chris Pressey
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97e6e619ff
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cmp can compare against a literal word.
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2018-12-12 09:01:46 +00:00 |
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Chris Pressey
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94ee042a1e
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Fix order of operands in word-sized cmp.
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2018-11-27 13:12:55 +00:00 |
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Chris Pressey
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dcc944d732
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If add and sub can work on words, then cmp can work on words too.
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2018-11-23 23:00:41 +00:00 |
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Chris Pressey
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e74c7f2b31
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Initial attempt at 16-bit compare. Not super well tested yet.
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2018-11-23 22:09:28 +00:00 |
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Chris Pressey
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38119dbe29
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Convert all tests to new syntax.
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2018-09-07 22:55:54 +01:00 |
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Chris Pressey
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b63bcfcd2b
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Begin introducing shortcut syntax for nested saves.
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2018-09-07 09:36:51 +01:00 |
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Chris Pressey
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4bba75857f
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--output cmdline argument, serialize() returns an array of bytes.
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2018-09-06 16:18:41 +01:00 |
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Chris Pressey
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8091c45a9a
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Fix test which is misleading due to the way the appliance works.
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2018-05-08 12:14:30 +01:00 |
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Chris Pressey
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4986454733
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Support save'ing user-defined locations.
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2018-04-25 13:27:47 +01:00 |
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Chris Pressey
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07541d7913
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Compile code for saving a, x, or y on the stack.
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2018-04-25 13:15:53 +01:00 |
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Chris Pressey
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89fa8361a8
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Remove --prelude, reform and document --output-formats.
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2018-04-23 13:18:01 +01:00 |
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Chris Pressey
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bc91ef1602
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Compile byte-table add, sub, cmp, and, or, xor, shl, shr, inc, dec.
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2018-04-18 16:32:12 +01:00 |
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Chris Pressey
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e565234d28
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Support for shl foo and shr foo where foo is a byte storage.
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2018-04-18 12:01:53 +01:00 |
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Chris Pressey
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3c7d95a724
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Support for copy [ptra]+y, [ptrb]+y to indirect LDA indirect STA
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2018-04-18 10:57:57 +01:00 |
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Chris Pressey
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70247e0e44
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Generate zero-page code for and, or, and xor, when possible.
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2018-04-17 17:58:26 +01:00 |
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Chris Pressey
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27df0d27db
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Optimize away RTS and JMP when possible. Fallthru stuff done.
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2018-04-05 14:10:04 +01:00 |
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Chris Pressey
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fa1b0cfae1
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Support branching and looping on the n flag.
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2018-03-29 14:45:28 +01:00 |
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Chris Pressey
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b9fb26320c
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Add some failing tests for looping on the n flag.
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2018-03-29 13:33:06 +01:00 |
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Chris Pressey
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ebe53f540c
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Fix bug when zero page address was $00.
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2018-03-29 11:46:56 +01:00 |
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Chris Pressey
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eadf1eb4ae
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A byte or word table can be initialized with a list of constants.
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2018-03-29 11:09:02 +01:00 |
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Chris Pressey
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2f513f7291
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Initial support for initializing byte tables with list of bytes.
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2018-03-29 10:45:18 +01:00 |
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Chris Pressey
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9b912de17c
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Accessing zero-page with ld and st generates zero-page opcodes.
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2018-03-29 10:31:42 +01:00 |
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Chris Pressey
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1f992f8dbd
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Support of NOP opcode.
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2018-03-28 14:52:16 +01:00 |
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Chris Pressey
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adb53f7a04
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Almost compile for loops correctly.
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2018-03-14 15:33:11 +00:00 |
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Chris Pressey
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72efecbb1a
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Support different preludes for different archs (c64 and vic20 now.)
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2018-03-06 17:00:39 +00:00 |
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Chris Pressey
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f6fa1ec7d2
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Remove need for forward keyword in forward reference in copy.
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2018-02-12 15:59:20 +00:00 |
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Chris Pressey
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08ec0e46a3
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Remove the need for parens in vector (routine ...) table type.
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2018-02-12 14:53:49 +00:00 |
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Chris Pressey
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7a024f3062
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Compile static storage location access.
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2018-02-09 16:13:09 +00:00 |
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Chris Pressey
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71cded0297
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Move compiler towards being able to compile access to statics.
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2018-02-09 14:13:39 +00:00 |
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Chris Pressey
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ca1c877a60
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Support indirect refs in st, e.g. st a, [ptr] + y.
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2018-02-09 11:23:18 +00:00 |
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Chris Pressey
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34daad0e56
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Make ld parse to a IndexedRef or IndirectRef (latter still todo.)
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2018-02-08 11:04:11 +00:00 |
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Chris Pressey
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7c8f113c07
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Properly store address (not contents) of routine into vector table.
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2018-02-07 13:56:17 +00:00 |
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Chris Pressey
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6c1c1cb153
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Include final RTS when emitting trampolines for indirect calls.
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2018-02-07 11:11:14 +00:00 |
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Chris Pressey
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b4f5d60ad3
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I think it should actually look like this!
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2018-02-06 17:00:04 +00:00 |
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Chris Pressey
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ed1ed3eb5d
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Always analyze before compiling.
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2018-02-06 16:14:44 +00:00 |
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Chris Pressey
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70ecd52e8a
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Retain some syntax compatibility: make table a postfix operator.
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2018-02-06 11:34:21 +00:00 |
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Chris Pressey
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0be721667a
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Kind-of not-pretty syntax refactor to support adding typedefs.
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2018-02-05 17:01:25 +00:00 |
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Chris Pressey
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bbd3a84c00
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Retain silly 'name inside the type' syntax (a la C) for now.
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2018-02-05 11:18:35 +00:00 |
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Chris Pressey
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a082aee001
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NOt 100% sure it's correct, but it seems close.
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2018-02-02 17:56:50 +00:00 |
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Chris Pressey
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b29716fccf
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Constraints for vector come immediately after the type expression.
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2018-02-02 17:16:31 +00:00 |
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Chris Pressey
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548905dce4
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Initialized byte tables need not have all 256 bytes initialized.
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2018-02-02 16:31:23 +00:00 |
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Chris Pressey
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f9dc730f88
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copy []+y, a to indirectly read byte into the a register.
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2017-12-13 16:11:02 +00:00 |
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Chris Pressey
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c7861d375c
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trash indicates a value is no longer considered meaningful.
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2017-12-13 15:23:06 +00:00 |
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Chris Pressey
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5f535c963e
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Subtract word (constant or memory location) from word memory location.
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2017-12-13 14:07:59 +00:00 |
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