C64-dev/newLang/src/common/emit.inc

; emit.inc - parser-to-codegen statement emission (E04-S06).
;
; The emitter writes into the shared code buffer (codegen.s). Offsets are
; frame displacements relative to FP (frames.inc): locals at FP-1 downward and
; parameters at FP+2 upward.

.ifndef EMIT_INC
EMIT_INC = 1

EM_TMP          = $F7           ; two-byte combine temp; below MB_SELF ($F9)
EM_LP           = $F5           ; two-byte slot pointer; below MB_SELF

EM_ERR_SIZE     = 1             ; a value or slot is not one byte
EM_ERR_TARGET   = 2             ; the assignment target is not a scalar local
EM_ERR_OP       = 3             ; operator the emitter does not handle yet
EM_ERR_STATE    = 4             ; missing runtime entry or bad emitter state

EM_KIND_LOCAL   = 0
EM_KIND_PARAM   = 1

.endif