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collapseos/arch/z80/ti84/xcomp.fs

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By default, allocate about 0x100 bytes for PSP+RSP During "make updatebootstrap", we use less than 0x20 bytes on the PSP side and less than 0x40 bytes on the RSP one. 0x100 bytes ought to be enough for anybody.
2020-05-15 08:41:09 +10:00
0xbf00 CONSTANT RS_ADDR
Replace INITIAL_SP with PS_ADDR conf Now I struggle to remember why I ever did things they way I did. There must have been a reason...
2020-05-12 11:08:24 +10:00
0xbffa CONSTANT PS_ADDR
Integrate RDLN input buffer into sysvars In the beginning of Collapse OS' Forth version, the readline sub- system was optional. This is why we had this separate RDLN$ routine and that the input buffer was allocated at boot time. It's been a while since the RDLN system has been made mandatory, but we still paid the complexity tax of this separation. Not anymore.
2021-01-03 06:20:50 +11:00
RS_ADDR 0xb0 - CONSTANT SYSVARS
Add HERESTART xcomp config
2020-06-29 09:45:28 +10:00
0x8000 CONSTANT HERESTART
Integrate RDLN input buffer into sysvars In the beginning of Collapse OS' Forth version, the readline sub- system was optional. This is why we had this separate RDLN$ routine and that the input buffer was allocated at boot time. It's been a while since the RDLN system has been made mandatory, but we still paid the complexity tax of this separation. Not anymore.
2021-01-03 06:20:50 +11:00
SYSVARS 0xa0 + CONSTANT LCD_MEM
SYSVARS 0xa2 + CONSTANT GRID_MEM
SYSVARS 0xa5 + CONSTANT KBD_MEM
ti84: kbd driver wip
2020-05-10 01:55:58 +10:00
0x01 CONSTANT KBD_PORT
Move z80a from B200 to B5 The idea is to consider assemblers as "runtime" apps instead of placing them in the "bootstrap" section of the blocks. These apps will be used for much more than bootstrapping. Moved its documentation to doc/asm.txt and made its code blocks more compact.
2020-09-22 07:51:08 +10:00
5 LOAD ( z80 assembler )
ti84: WIP
2020-05-08 20:50:34 +10:00
262 LOAD ( xcomp )
ti84: first glyph on screen! On the emulator of course...
2020-05-08 23:07:44 +10:00
522 LOAD ( font compiler )
z80: make boot binary a 2-part process Previously, recipes that began spitting binary contents before loading block 282 would end up with VARIABLE code in their binary, thus breaking them. We fix this by making this loading process 2-part.
2020-06-27 11:41:17 +10:00
282 LOAD ( boot.z80.decl )
xcomp: add overrides into a loadable block Makes xcomp.fs units shorter.
2020-05-14 03:33:24 +10:00
270 LOAD ( xcomp overrides )
ti84: WIP
2020-05-08 20:50:34 +10:00
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
( TI-84+ requires specific code at specific offsets which
come in conflict with Collapse OS' stable ABI. We thus
offset the binary by 0x100, which is our minimum possible
increment and fill the TI stuff with the code below. )
Add words |M and |L Splitting a word into MSB/LSB pairs happens often and is worth, I think, native words. Also, I'm going to need it in the upcoming commits.
2020-12-08 12:08:45 +11:00
0x5a JP, 0x15 ALLOT0 ( 0x18 )
0x5a JP, ( reboot ) 0x1d ALLOT0 ( 0x38 )
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
( handleInterrupt )
DI,
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
AF PUSH,
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
( did we push the ON button? )
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
0x04 ( PORT_INT_TRIG ) INAi,
0 ( INT_TRIG_ON ) A BIT,
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
IFNZ,
( yes? acknowledge and boot )
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
0x03 ( PORT_INT_MASK ) INAi,
0x00 ( INT_MASK_ON ) A RES, ( ack interrupt )
0x03 ( PORT_INT_MASK ) OUTiA,
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
AF POPqq,
EI,
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
0x100 JP,
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
THEN,
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
AF POP,
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
EI,
RETI,
Add words |M and |L Splitting a word into MSB/LSB pairs happens often and is worth, I think, native words. Also, I'm going to need it in the upcoming commits.
2020-12-08 12:08:45 +11:00
0x03 ALLOT0 ( 0x53 )
Make KEY non-blocking ... and rename it to KEY?. Then, add KEY from KEY? for its blocking version. I need this for an upcoming Remote Shell feature. If a Collapse OS system remotely controls another shell, it needs to be able to poll both the remote system and the local keyboard at the same time. A blocking KEY is incompatible with this. In some places, the polling mechanism doesn't make sense, so this new KEY? always returns a character. In some places, I just haven't implemented the mechanism yet, so I kept the old blocking code and added a "always 1" flag as a temporary shim. I have probably broken something, but in emulators, Collapse OS runs fine. It's an important reminder of what will be lost with the new "dogfooding" approach (see recent mailing list message): without emulators, it's much harder to to sweeping changes like this without breaking stuff. It's fine, I don't expect many more of these core changes to the system. It's nearly feature-complete.
2021-01-02 00:05:29 +11:00
0x5a JP, ( 0x56 ) 0xff C, 0xa5 C, 0xff C, ( 0x5a )
ti84: working!
2020-05-11 04:33:35 +10:00
( boot )
DI,
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
IM1,
ti84: working!
2020-05-11 04:33:35 +10:00
( enable the ON key interrupt )
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
0x03 ( PORT_INT_MASK ) INAi,
0x00 ( INT_MASK_ON ) A SET,
0x03 ( PORT_INT_MASK ) OUTiA,
A 0x80 LDri,
0x07 ( PORT_BANKB ) OUTiA,
ti84: working!
2020-05-11 04:33:35 +10:00
EI,
( LCD off )
Fix sms and ti84 recipes Their asm code has been broken for a little while! oops!
2020-09-20 11:03:18 +10:00
A 0x02 ( LCD_CMD_DISABLE ) LDri,
0x10 ( LCD_PORT_CMD ) OUTiA,
ti84: working!
2020-05-11 04:33:35 +10:00
HALT,
Add words |M and |L Splitting a word into MSB/LSB pairs happens often and is worth, I think, native words. Also, I'm going to need it in the upcoming commits.
2020-12-08 12:08:45 +11:00
0x95 ALLOT0 ( 0x100 )
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
( All set, carry on! )
ti84: WIP
2020-05-08 20:50:34 +10:00
CURRENT @ XCURRENT !
ti84: offset binary by 0x100 to free space for TI-specific stuff Not yet tried on real hardware, but we should be getting pretty close...
2020-05-11 04:06:01 +10:00
0x100 BIN( !
z80: make boot binary a 2-part process Previously, recipes that began spitting binary contents before loading block 282 would end up with VARIABLE code in their binary, thus breaking them. We fix this by making this loading process 2-part.
2020-06-27 11:41:17 +10:00
283 335 LOADR ( boot.z80 )
Move Cross-compiled core from B390 to B350 and renamed it "Core words". Also, reworded the presentation.
2020-05-16 12:44:49 +10:00
353 LOAD ( xcomp core low )
ti84: unify drivers No more low/high
2020-05-13 02:41:47 +10:00
CREATE ~FNT CPFNT3x5
ti84: use Grid subsystem Also, rename CLRLN to NEWLN and make it clear that it's only called on entering a new line. This way, we can set Z offset in there for the TI-84+ LCD driver.
2020-11-11 12:30:37 +11:00
605 609 LOADR ( LCD low )
402 403 LOADR ( Grid )
recipes/ti84: move recipe blocks into local overlay
2020-09-21 10:24:09 +10:00
616 620 LOADR ( KBD low )
Move most of the high layer of comp core into the low one With KEY and EMIT being switch words, most of the high layer can be defined before drivers. In addition to this change, I've compacted core blocks which were becoming quite sparse.
2020-10-29 09:06:58 +11:00
390 LOAD ( xcomp core high )
ti84: WIP
2020-05-08 20:50:34 +10:00
(entry) _
( Update LATEST )
PC ORG @ 8 + !
grid: add XYMODE In VE on the SMS, the first contents line would always be cleared because of NEWLN being called when the FBUF would spit its last char. Inconvenient... I've added a "graphical" mode to the grid subsystem to inhibit this behavior in a graphical situation such as in VE. Also, write a more complete Grid documentation.
2020-11-15 14:35:08 +11:00
," LCD$ KBD$ GRID$ " EOT,
Add words |M and |L Splitting a word into MSB/LSB pairs happens often and is worth, I think, native words. Also, I'm going to need it in the upcoming commits.
2020-12-08 12:08:45 +11:00
ORG @ 0x100 - |M 2 PC! 2 PC!
H@ |M 2 PC! 2 PC!
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